The cracking causes of cast in place concrete slab was discussed on three aspects: concrete materials, concrete slab construction and design. And some corresponding precautions are suggested.
从混凝土材料本身、施工、设计三个方面分析了混凝土现浇楼盖产生裂缝的原因，并提出了相应的预防控制措施。
This paper deals with materials, design parameters. construction batch strength and design of mix proportion for underwater concrete cast in a major diameter cast in place pile.
论述大直径灌注桩水下浇注混凝土时的材料选择、设计参数选择、施工配制强度及配合比设计。
The structural strength of the cast-in-place and assembly concrete can change with time. There are corresponding requirements for the concrete strength in different construction stages.
现浇或装配式混凝土结构强度随时间而变化，不同施工阶段对混凝土强度都有相应的要求。
The whole procedure of design and construction of boring cast in place concrete pile under complicated geological condition in HuBei province is introduced.
介绍了湖北某工程在复杂地质条件下钻孔灌注桩设计与施工的全过程。
This paper introduces the construction technologies and key technical points for weak subgrade treatment with the thin cast-in-place concrete cylindrical piles.
重点介绍了采用现浇混凝土薄壁筒桩处理软基的施工工艺和技术要点。
To concrete used to test cast-in-place concrete project and prefabricated parts quality, forming method of specimen shall be the same as method adopted in practical construction.
的宜用捣棒人工捣实。检验现浇混凝土工程和预制构件质量的混凝土，试件的成型方法应与实际施工采用的方法相同。
These advantages make cast-in-place concrete hollow floor are applied in a growing number of construction.
这些优点使得现浇混凝土空心楼盖在越来越多的建筑工程中得到应用。
The cracking causes of cast in place concrete slab was discussed on three aspects: concrete materials, concrete slab construction and design.
从混凝土材料本身、施工、设计三个方面分析了混凝土现浇楼盖产生裂缝的原因，并提出了相应的预防控制措施。
Post-tensioned unbonded Prestressed concrete bar is suitable for cast-in –Place concrete of Long –span and Wide buildings, Large load Prefabricated beam and other construction.
后张无粘结预应力筋适用于大跨度、大开间建筑的现浇楼板、大荷载的预制梁及其他特种结构。
Using cast-in-place concrete laminated construction to strengthen building floors can raise the bearing capauity of them and raise the anti-seismic capacity of the whole building.
现浇砼迭合层对建筑物楼板进行加固可提高楼面的承载能力和建筑物的整体抗震性能，在地震高发地区，与砼构造柱、圈梁组合是一种抗震加固的有效措施。
During the construction period, early deformation cracks are always prevalent for cast-in-place concrete members, which have not been effectively resolved.
现浇混凝土结构施工期间普遍存在早期变形裂缝问题，一直未能得到有效解决。
An anti-floating construction method of a thin-walled hollow tube in a cast-in-place concrete hollow floor slab belongs to the technical field of residential construction.
一种现浇混凝土空心楼板薄壁空心管抗浮施工方法，属于住宅施工技术领域。
An anti-floating construction method of a thin-walled hollow tube in a cast-in-place concrete hollow floor slab belongs to the technical field of residential construction.
一种现浇混凝土空心楼板薄壁空心管抗浮施工方法，属于住宅施工技术领域。
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