Place some tension on the anchor bolts relative to the base when grouting to keep the base from floating. As per standard ACI 351.1R-99, the grout is defined as a combination of cementitious materials and water, with or without aggregate, that is well-balanced to form a pourable conformity devoid of segregation of the ingredients. From the ground up, The Grouting Handbook takes you step by step through the grouting process. Grout testing shall be performed as required by Attachment C … With commencement of design process for the base plate connections, when concrete footing is properly examined for bearing stresses (with reference to AISC or other design codes), the design of grout should be equivalent with the concrete footing. Formwork shall be watertight and free from obstructions to allow the free flow of grout. A range of materials suitable for pumping or traditional methods of placement for the void-free grouting of gaps of just 0.1mm to 140mm and above. A small pilot hole is drilled through the sole plate at a 45° angle beginning about one-third of the distance from the end of the sole plate. Different situations will require different methods of application of the grout. Grouting Base Plates Question: "We were told by a steel erector that they typically do not remove shims from column base plates after grouting. are generally utilized in the set up of the base plate connections. Grouting di Bawah Base Plate Grouting di bawah base plate (kolom struktur baja, mesin, dsb) pada umumnya menggunakan grouting berjenis cement-base yang bersifat non-shrink dan high stregth. The Grout is utilized for the following purposes :-. A Professional’s Guide on Grouting and Concrete Repair (800) 243-2206 • www.fivestarproducts.com 6x9GroutHB07.qxd:6x9_#5Handbook'05.qxd 5/3/07 2:06 PM Page 6 (800) 243-2206 • www.fivestarproducts.com 7 A Professional’s Guide on Grouting and Concrete Repair 3. This bulletin is as … pipe. When exposed to these stresses, the material cracks or otherwise experiences damage, which can have severe ramifications for both the machine and the concrete beneath it. Fig: Grouting Procedure for Concrete Cracks Repair. ABSTRACT This paper outlines a new void-free baseplate installation method that saves over 30 percent of the installation costs, when compared to traditional two-pour grouting methods. Gaps at the pouring end should not exceed 150mm and at the free end no more than 50mm. Pressure grouting of sole plates [4]. Please enter your email address. The baseplate should be supported on leveling screws, shims or metal wedges with a small taper located close to the foundation bolts. RE: Omitting Base Plate Grout BAretired (Structural) 27 Oct 10 22:01. B. Are these practices acceptable?" It is also a blend of other ingredients (like polymers) with same conformity. The reasons for the use of epoxy grout in place of cheaper cementitious grout … The concrete foundation must be adequately cured before installing and grouting the base. This document is intended to qualify the special considerations and techniques required, to carry-out the grouting of baseplates, soleplates, rails, pumps and skids specifically calling for an epoxy grout bearing system. Base plate grouting operations traditionally utilize cement grout. Before installation of the grout, the surface of the concrete and the plate must be adequately prepared. It is common to use the jack bolts and anchor bolts to help get the surface back into flatness specification. Epoxy grout, on the other hand, has incredible bond strength and natural resistance to vibration. Please fill out the form below and a staff member will reach out to explore custom solutions with you. The practice of omitting grout is simply unacceptable. In general, process pump manufacturers are asked to provide pumps as a “set” or assembled package comprising pump, driver and base plate (see figure 1). As per AISC Design Guide 1, the compressive strength of the grout should be minimum twice the footing/pedestal ones whereas as per ACI 351.1R-99, the compressive strength of the grout should vary from 5 to 55 MPa (5000 psi to 8000 psi). Ketebalan lapisan grouting murni (tanpa penambahan agregat) adalah minimal 1 cm dan … Field machining of the base after completing the critical grouting process is difficult and expensive. But, when concrete footing validates the design provisions for this bearing stress, definitely grout will be up to standard with every thickness of grout since grout strength surpasses the concrete footing strength. … Larger baseplates typically will best … In the case of a long base plate, ensure there is enough pressure head to help the flow of the grout. All leveling screws and other areas that require protection from grout spatter should then be covered with a wax to prevent the grout from adhering to them. approx 1m width) using wooden slats with foam block (open celled) or a sealant tape (with enough thickness) on the top and bottom of the slats (so they can be removed after grouting) Base frame is to be leveled on leveling plate or using jack screws to 0.02inch/ft. BA . Larger sizes of epoxy-prefilled baseplates are problematic for the time being due to their considerably bigger weight. Slow flow of grout under the baseplate Rail operators need to replace equipment quickly and contractors rely on speed of installation. The procedures and grout mixes described below are general guidelines and may be altered in the field by the engineer to suit the conditions encountered and to meet the design objectives. At Copps Industries, we provide a variety of epoxy grout solutions, including: For more information on epoxy grouts or our product offerings, contact us today. If you’re ready to get started with an epoxy grout and would like to reach out to the Copps Industries team, please request a quote. transferring loads from the equipment baseplate to the foundation. If the grouting area is too large for this in a single operation, the following procedure could be a solution: Solution: Divide the area and make several lanes (e.g. Properly grouting a sole plate involves the following steps: Preparing the surface of the concrete and the sole plates. The temperature of the baseplate, grout and foundation should be kept between 40 and 90 F during grouting—and for a period of at least 24 hours afterwards. The hole drilled may be small of approximately 10 to 20 cm. They also informed us that they do not back off leveling nuts below the base plates during the grouting process. Additionally, the grout reduces operational vibrations that can cause structural damage, machinery malfunctions, and machinery damage. A baseplate designed to be fully grouted, usually a much lighter construction should be levelled and then fully grouted under the side rails of the baseplate (again, depends on design). This clearance can vary depending on the grout manufacturer. This is slippery slope time. Soleplate / Base Plate level is to be achieved by adjusting jackscrews and snugging the anchor bolt nut to hold in place. This method is used to fill voids under machinery base plates. It is a the use of a mortar or concrete to laterally compact soils without vibration. Many believe it is to hold the base to the foundation, but the purpose is to pull the foundation, the grout and baseplate together to form one monolithic mass. For this reason, it is very important to ascertain that the base plate is locked down. Installation Procedures, Pressure grouting of sole plates, compressors and pump bases FORMERLY MASTERFLOW 647 R REPAIR GROUT INSTALLATION PROCEDURES Masterflow 647 Grout is a two-component epoxy liquid specifically formulated for grouting cracks in concrete machinery foundations and for filling voids in grouted baseplates, structural members, and soleplates. • Position and align the baseplate, leaving a maximum 1–1½ in. We have few pumps in project where the base plates are not filled completely with … PRESSURE GROUTING OF BASE PLATES AT EDGES. Cement grout is made with water, cement, and sand. Static loads are associated with columns or non-moving equipment. Precautions during Grouting of Cracks in Concrete : During the grouting operation in track or close to it, speed restrictions of stop-dead and proceed at 10 kmph shall be imposed at the site of work and same should be continued for a period of 24 hours. The depth of the grout layer that is applied in the constructions is primarily based on the space among the base plate and footing and generally is not under 25mm. This method statement covers the grouting application for equipment foundations, precast concrete and structural foundations including all operations necessary for the surface, formworks, proper mixing, placing, finishing and curing for non-shrink cementitious grouting. Then, the nuts engaging the anchor bolts are secured and the empty spaces within the base plate as well as the space between the baseplate and foundation are filled with epoxy grout. Proper foundation and baseplate surface preparation is essential. If the crack or seam at the edge of the base plate is open more than 0.010 inches (0.25 mm) seal edge with MasterEmaco® ADH 328RS or MasterEmaco ADH 1420 epoxy paste 2. Precautions during Grouting of Cracks in Concrete : During the grouting operation in track or close to it, speed restrictions of stop-dead and proceed at 10 kmph shall be imposed at the site of work and same should be continued for a period of 24 hours. Studies on the significance of the pressure grouting are common for anchors, piles, and ground improvement, but limited for soil nails. A grout with poor flow will slow down the process. Refer to Figure 3-26 for an illustration of this procedure. RE: Omitting Base Plate Grout paddingtongreen (Structural) 27 Oct 10 23:35. The plate is commonly 1 by (2 or 3) ft [300 by (600 or 900) mm] with the grout flowing in the long direction. Cement grout is not designed to resist continuous impact loading and the vibrations of heavy machinery. However, experts point out that if the existing cracks in the dam are not completely closed and grouting is done by making holes in the wall, the cement mixture will leak out through the cracks. For the plate, any … Properly grouting a sole plate involves the following steps: Preparing the surface of the concrete and the sole plates. The hole is then counterbored. Mr. Palmer received a B.A. Formwork shall be designed to allow air to escape. Any leak in the dam can be temporarily controlled with this. Baseplate heights will necessarily vary due to a number of factors, including size of the plates and whether the plate is for a dynamic, vibrating machine or for a static load, structural steel column. Guys , whether the pump base plate needs to fill out completely with concrete? A surface to which the ground can bond is key. DISCLAIMER: "Sketchup, Autodesk, AutoCAD, Revit, Navisworks, Ecotect, QTO, DWG, 3ds Max, are registered trademarks or trademarks of Autodesk, Inc. PROCEDURE GROUTING APPLICATION WORKS. Prepare concrete and baseplate surfaces for grouting. There are different types of grouts like grouts with expansive cement, hydraulic cement grout, epoxy grout etc. If not, then the fix is grouting the baseplate. It is very important to avoid voids or air pockets in the grout. and is used in a range of industrial applications. • Operate pumps at 85% to 110% of best efficiency point (BEP). However, many industries are turning towards epoxy grout due to its rapid strength development and superior material properties. GROUTING GUIDELINES & APPLICATION INFORMATION The following instructions pertain to the general installation procedures for grouts manufactured by Specco Industries Inc.. One of the important reasons is filling the void spaces in the concrete surface for increasing the friction between the steel plate and concrete foundation. 1.0 Selecting the correct grout. It may be up to 10 to 20 cm. • Wrap the anchor bolts to isolate them from the grout. Base plate grout shall be the flowable type and it shall meet with the requirements of ASTM C1107 for nonshrink, nonmetallic grout. All feet are to be leveled within 0.002 Inch (0.05mm). In the design of base plate connections, when concrete footing is checked for bearing stresses (According to AISC or other design codes), the idea may exist that the design of grout should be similar to the concrete footing. (0.17mm/m). Epoxy grout is made from epoxy resins and an aggregate. The mounting process typically involves mounting soleplates/baseplates directly to the concrete below. Prior to erection of base plate, foundation bolt to sleeve clearance (freeness) is to be checked and foundation bolts with sleeve should be inserted into the pocket provided in the foundation block. The following blog outlines the importance of grouting base plates, how to go about the grouting process, and common issues that may arise during the process. Then, equipment is placed in the hole to conduct an injection process that consists of a jet grouting string of almost 7 to 10 cm. Jet Grouting Procedure. As per AISC Design Guide 1, the compressive strength of the grout should be … Most grout manufacturers offer specific recommendations on the proper underside preparation materials and procedures. 4 5 1.2.2 Shrinkage In our definition at the beginning of this document, we mentioned “total infilling of the original void”. Grout can also be pumped from the centre of the bearing plate where it spreads to the outside equally on all sides. As per standard ACI 351.1R-99, the minimum depth of the hydraulic cement grouts should be in identical values. In the installation of the base plate connections, grout is used for some different reasons. Grouting is the process of injecting material into cavities or cracks in concrete, masonry structure, soil, ... For grouting machine foundation, base plate, bearing and column joints in precast construction. Generally, it is not recommended that cement-based grout be used in depths less than 25 mm (1"). Dynamic loads are associated with reciprocating equipment, motors, generators, turbines etc. The hopper must be a minimum height of 100mm and have a ratio of 1:3 (height of hopper: length of pour). The drill is done until a weak subsoil exists. This method statement describes the step by step procedure for grouting of machine bases and base plates using the SikaGrout range of ready to use mortar products and shall be read in conjunction with the relevant product data sheet and safety data sheet. Procedure of jet grouting: Initially, the hole is drilled in the required place and depth. Cement grout can shrink between the base plate and sole plate. It is very important to avoid voids or air pockets in the grout. It means that strength of the grout should be compared with bearing stress that has been obtained from common hand-calculation methods. What Is the Machine Base Plate Grouting Procedure? A precision grout must: Grouting materials are selected based on the type of load they will support. Grouting application shall be in accordance with Standard Drawing for Grout … In the manufacturing sector, heavy machinery needs to be secured to the concrete below to ensure that it is firmly in place and will provide optimal performance. Clear, straightforward directions give you details on preparing the foundation and surface and selecting the best material and method. All other brand names, product names, or trademarks belong to their respective holders. A grout box equipped with an inclined trough attached to the form will enhance the grout’s flowability and minimize air encapsulation. The procedures and grout mixes described below are general guidelines and may be altered in the field by the engineer to suit the conditions encountered and to meet the design objectives. Viele übersetzte Beispielsätze mit "grouting base plate" – Deutsch-Englisch Wörterbuch und Suchmaschine für Millionen von Deutsch-Übersetzungen. Before considering the most prevalent pump base plate installation options, we need to know more about how pump sets are typically shipped to the purchaser or installation site. ARCC shall prepare sufficient quality of grouting material, clean tools and equipment and suitable water mixture at site to complete the job. When pouring the grout into shutters from one side of a baseplate, use a removable hopper to provide an adequate head of grout. Stay-Tru™ process for pregrouting of machinery baseplates. When grouting without pour holes, prepare formwork to maintain a minimum of 100 mm (4 in) liquid head to facilitate placement. There are two primary types of grout that are used for this purpose—epoxy grout and cement grout. Grout is poured between the two plate surfaces (normally steel and concrete) components to provide greater stability, alignment, vibration isolation, and leveling. Epoxy grouts are both water- and chemical-resistant, making them ideal for heavy machinery, especially in facilities exposed to chemicals or wet processing. Divide into sections if necessary and apply the grout in more than one stage. For the plate, any … ANSI (ANSI A118.3) qualification is an important hallmark of great quality to look out for when evaluating epoxy grout options. Drill holes in the exposed edges or the structural member or sole plate. All shuttering should be watertight and supported sufficiently to be able to withstand the pressures of the grouting process. Comprehensive yet concise, this is a convenient handbook for veteran and rookie engineers alike. High strength, rapid setting and free-flowing grouts for all types of support applications in civil engineering, general construction and industrial applications. Pressure grouting is the process of making holes (boreholes) in the wall of a dam and then injecting cement grout through it with force. Below: grouting of a bearing pad where only around 30% EBA was achieved with a cement based grout – fortunately the issues were investigated and rectified for the subsequent pours. from cementitious grouting procedures are required. The grouting of machine baseplates and bearing plates, and of anchoring alignment equipment to a foundation are low-cost approaches that provide a high quality machine-to-foundation connection. clearance between the bottom of the baseplate and the existing foundation. You will receive mail with link to set new password. Grouting has been extensively used in Singapore for excavation and tunnelling works. Prepare concrete and baseplate surfaces for grouting. During the past years, the use of all-in one, epoxy-prefilled (pre-grouted) base plates has gained momentum, mostly for sizes around 1.5 m * 2.5 m and conventional grouting procedures briefly described above are slowly starting to be phased out. A range of materials suitable for pumping or traditional methods of placement for the void-free grouting of gaps of just 0.1mm to 140mm and above. 4.4.2Apparatus—The apparatus generally consists of a stiff steel plate or channel supported on shims a few inches above a rigid concrete base. Grouting is done for filling the voids between the rock face and lining in tunnel work. Methods used by the author to level and epoxy grout pump baseplates. A worst case yet common scenario is after grouting of the skid, the flatness of mounting surface is still out of specification. The rapid strength development, bond strength and chemical resistance supplied by epoxy resin and filler material makes it ideal for situations where vibrations, water, chemicals, and heat are regularly present. Grouting procedure. Base Plate Grouting. Key Features. The reasons for the use of epoxy grout in place of cheaper cementitious grout will be covered along with special baseplate preparations. The surfaces of all components should be free of dust, dirt, and debris that may affect the quality of the grout bond. Grouting has been extensively used in Singapore for excavation and tunnelling works. It signifies that stability of the grout should be corresponding to the bearing stress is procured from common hand-calculation methods. What is compaction grouting? If the grout is installed properly, both base plate and footing are connected perfectly for transmitting the normal and lateral forces which significantly impact the behavior of the column base connection. Grout inside skirt for vertical vessel must be filled with slope, and an all opening for drainages must be provided under the base plate to be toward the nearest surface drain. Initially, the area where the soil has to be treated is chosen and a hole is drilled to the required depth. If this happens, the grout may crack, threatening the stability of the bond between the two plates. Grout inside skirt for vertical vessel must be filled with slope, and an all opening for drainages must be provided under the base plate to be toward the nearest surface drain. Is after grouting of the grout in place of cheaper cementitious grout will be covered with. Pilot hole is drilled to the concrete and the existing foundation a mortar or concrete to compact! To improve flow but this can be done by rotating drilling system under high pressure to the outside equally all! The job grouting procedures are required surface is still out of specification ratio! 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To resist continuous impact loading and the sole plates considerably bigger weight a of. Due to its rapid strength development and superior material properties grout manufacturers offer specific recommendations on the into... For grouting fill out completely with … from cementitious grouting procedures are required pockets... Or by sandblasting the underside common hand-calculation methods ) qualification is an important hallmark great., generators, turbines etc. ( BEP ) for heavy machinery end. Informed us that they do not back off leveling nuts below the base needs... A blend of other ingredients ( like polymers ) with same conformity and method free of dust dirt... Achieved with specialized epoxy paint or by sandblasting the underside not back off leveling nuts below the after... After grouting of the grouting process of great quality to look out when! Substance its excellent durability, hardness, and debris that may affect the quality of grouting,. 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Mounting process typically involves mounting soleplates/baseplates directly to the required depth the anchor bolts to... Case yet common scenario is after grouting of the bond between the two plates make! Dari pasta grouting are common for anchors, piles, and debris that may affect the quality of the plates. All shuttering should be compared with bearing stress that has been extensively used Singapore... Impellers 60 % to 95 % of best efficiency point ( BEP ) specific recommendations on the strength and resistance! And water-resistant properties this clearance can vary depending on the proper underside materials... Superior material properties grout shall be the flowable type and it shall meet with the of. Can shrink between the rock face and lining in tunnel work with cement! In the case of a mortar or concrete to laterally compact soils without vibration optimal so... To improve flow but this can be achieved by adjusting jackscrews and the! Associated with reciprocating equipment, motors, generators, turbines etc. us that do! Out of specification purposes: - s properly prepared for grouting and can cause structural,., generators, turbines etc. non-moving equipment of industrial applications snugging anchor. Some tension on the strength and thickness of the grout to hold in place installation!, WI 53092© 2021 Copps industries | Website by Results-Powered Marketing the baseplate the. Nut to hold in place of cheaper cementitious grout will be covered along with special baseplate preparations hot accelerates! Type and it shall meet with the requirements of ASTM C1107 for,... Hardness, and sand the drill is done for filling voids, and. Case of a stiff steel plate or channel supported on shims a few inches a... 351.1R-99, the grout and lining in tunnel work ( height of 100mm and have a ratio of 1:3 height... Plates are not filled completely with … from cementitious grouting procedures are required prepare sufficient quality of the in!