02 preparation of grouting materials the proportion of grouting materials shall be prepared in strict accordance with the material instructions, weighed with an electronic scale, and the bagged powder shall be added after adding water during mixing
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The classification code of the prefabricated component stacking area on site shall be issued, and the special plug-in rack shall be used for vertical components
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Before grouting, the grouting part shall be fully wetted to prevent water loss of grouting material during grouting
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The video name includes building number, floor and prefabricated wall number
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Finally, clean the grouting equipment
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Pull out the grouting nozzle to block the grouting holes; 04
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The image data are named folders according to building number and floor
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Measure the maximum diffusion diameter of slurry and calculate the average value
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Click on the right side to pay attention to the organization
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After the concrete strength reaches 1.2MPa, the superstructure shall be installed according to the above operation procedures, and the construction shall be carried out layer by layer until the construction of the whole structure is completed
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Block the upper row of grouting holes one by one when the slurry flows out of the upper opening in a columnar shape; 5
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Place steel gasket and recheck the elevation with level gauge
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Yang Yifan is the auditor of the urban construction responsibility
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Mix the slurry for fluidity detection; 2
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Finally, stand the stirred slurry for 2 minutes to make the slurry bubbles discharge naturally
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The prefabricated components can be installed only after passing the acceptance
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The official account of the building is concerned about the right side of the public
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After grouting, clean the grouting materials on the ground and pour them into the garbage pool
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Install inclined support and correct wall positioning and verticality
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03 fluidity detection pour the mixed grouting material into the truncated circular mold until the slurry is leveled on the truncated circular mold, and slowly lift the truncated circular mold to let the slurry flow freely to stop without disturbance
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Pre construction preparation of precast wall grouting construction demonstration video 01 the construction unit shall prepare a special construction scheme for reinforcement sleeve grouting connection separately before reinforcement sleeve grouting construction
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Before grouting construction, the edge of the precast wall grouting bin shall be sealed with mortar
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04 preparation of grouting material test block while grouting, three groups of grouting material test blocks shall be made, and the size of each test block is 40mm × 40㎜ × 160㎜。 05 during grouting construction, pour the grouting material into the mixer and start the mixer to reflux the grouting material
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During the grouting construction of vertical reinforcement sleeve, grouting shall be carried out from the grouting hole under the grouting sleeve
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It can be used only when the initial value of fluidity is greater than 300 mm
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The transport of precast components is carried out in accordance with the component entry plan for the production and transportation of components, and the protection of finished products and the sorting of components in the transportation process are also included in the process of transportation of the prefabricated components
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03 for prefabricated wall installation, first measure and set out, and recheck the positioning and verticality of reserved reinforcement with special reinforcement positioning inspection tool
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Install the prefabricated wall, observe whether the reserved reinforcement is aligned with the hole, and slowly fall in place
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Never forget the original heart and remember the mission! Start a new journey and write a new chapter!.
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Block the lower row of grouting holes; 3
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Each prefabricated wall has construction records
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After the grouting material flows out of the slurry discharge hole at the joint for 1-2 seconds, it shall be blocked with a plug
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(WiFi is recommended for broadcast in the case of 01)
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Steel bar binding of cast-in-situ wall column and aluminum formwork erection; cast-in-situ reinforcement binding of internal wall shall be inserted while hoisting the prefabricated wall, Installation and reinforcement of cast-in-situ aluminum alloy formwork, and installation of laminated plate support system
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Mix with a variable speed mixer for 4-5 minutes to mix the grouting material evenly
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Insert the grouting pipe for grouting; 4
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The grouting workers shall be trained and issued with work certificates
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After removing the hook, use dry and hard cement mortar to block the grouting bin
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Full time personnel shall record each grouting construction
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It is strictly prohibited to recycle the grouting materials on the ground to the grouting machine
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Before grouting operation, the operation team shall be disclosed to clarify the construction technology, quality, safety requirements and precautions
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Lift the laminated plate to the designated position in turn, tie the iron reinforcement on the floor, reserve and embed the water and electricity pipeline, and pour the concrete
(Yang Yifan) 02 prefabricated components shall be stacked
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Grouting operation shall be carried out after the completion of caulking: 1
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06 collection of construction process data
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