后浇带施工工艺标准（Construction technology standard of back pouring band）.docVIP

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后浇带施工工艺标准（Construction technology standard of back pouring band）.doc

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后浇带施工工艺标准（Construction technology standard of back pouring band）

后浇带施工工艺标准（Construction technology standard of back pouring band） 5.2 after casting belt construction technology standards 5.2.1 general provisions for the construction of the after casting belt to achieve advanced technology, reasonable workmanship, construction specifications, to meet the functional requirements of the building, to ensure structural stress, safety and after There is no leakage at the pouring zone, so as to avoid the influence of unforeseen factors on the quality of the post pouring belt, and prevent the occurrence of common quality defects in the back pouring belt Determine the standard of this process. 5.2.1.1 5.2.1.1 5.2.1.1 5.2.1.1 scope of application Applicable to housing construction, basement floor, exterior walls, interior walls, roof, floor floors, houses and large structures, as well as large infrastructure The prepared back pouring zone does not apply to the structural engineering that may still be deformed after completion of the works. 5.2.1.2 5.2.1.2 5.2.1.2 5.2.1.2 reference standards and specifications (1) technical code for waterproofing of underground works GB50108 - 2001 (2) code for acceptance of construction quality of concrete structures GB50204 - 2002 (3) code of acceptance for quality acceptance of underground waterproofing works GB50208 - 2002 (4) unified standard for quality acceptance of construction works GB50300 - 2001, 5.2.2 terminology, symbol 5.2.2.1 5.2.2.1 5.2.2.1 5.2.2.1 terminology (1) after pouring belt: it is a kind of concrete rigid joint. It is suitable for the structure which is not suitable for setting flexible deformation joint and the later deformation tends to be stable. (2) self expansion rubber water stop strip: it is a kind of self adhesive function, it can expand in a certain time after water and can reach the water stopping effect Rubber water stop strip. (3) compensating shrinkage concrete: when adding a certain proportion of expansion agent or admixture (according to design dosage) in concrete, th