Combined with project survey,it analyzes some problems should be solved in the post-poured strip construction process from the aspects of data acquisition,dry shrinkage of concrete,pouring temperature of in order to meet the purpose of reducing building adopting post-poured strip dehiscence.
结合工程概况,从数据采集、混凝土干缩、后浇带的浇筑温度、养护及构造要求多方面分析了后浇带在施工过程中必须解决的一些问题,以达到减少采用后浇带后建筑开裂的目的。
It indicates that shrinkage of concrete and temperature stress are the main cause which produce the cracks expect of the load.
对某厂大尺度混凝土楼盖开裂情况进行检测,并通过对混凝土板贯穿性裂缝进行计算及成因分析,表明除了荷载引起裂缝外,混凝土收缩及温度应力也是产生裂缝的主要原因。
It is concluded that we can take measures to reduce shrinkage of concrete during casting of beam in wharf construction.
在现浇码头上横梁时可采取措施,减小混凝土收缩。
The main reason is the shrinkage of concrete.
混凝土组成材料对钢筋混凝土现浇楼板裂缝产生影响的主要原因是混凝土的收缩,而影响混凝土收缩的主要因素是水泥胶体的收缩。
According to the construction experience, the paper presents the measures of preventing concrete cracks--using compensating contraction concrete to control cracks, introduces the methods of the preparation of compensating contraction concrete, and explains the factors influencing the application process of compensating contraction concrete and the design process of mix proportion.
根据经验,提出混凝土裂缝的预防措施——应用补偿收缩混凝土来控制裂缝,介绍了配制补偿收缩混凝土的方法,对应用补偿收缩混凝土的应用过程中的影响因素、配合比设计详细过程作了说明。
Research for Effects of Admixture and Shrinkage Model on High-performance Concrete
掺合料对混凝土收缩影响及收缩模型分析
Discussion About Concrete Shrinkage Strain Introduced in New China Code for RC and PC Bridges and Culverts
关于新《桥规》中混凝土收缩应变的讨论
Experimental Research on Shrinkage and Creep of Prestressed Steel Reinforced Concrete;
预应力型钢混凝土收缩徐变试验研究
Influence of Chemical Admixtures on the Early Cracking and Drying Shrinkage of Concrete;
化学外加剂对混凝土收缩开裂的影响
Research on the Shrinkage Ability of High Performance Concrete Added Fly Ash;
掺粉煤灰高性能混凝土收缩性能研究
Mechanism Research on the Formation of Shrinkage Cracks of the Commodity Concrete;
商品混凝土收缩裂缝形成的机理研究
Experimental Study on Shrinkage and the Compensate Measures of High Strength Concrete;
高强混凝土收缩及补偿措施试验研究
Experiment and Rsearch of Ultra-Fine Sand Pumping Concrete Shrinkage Characteristics
特细砂泵送混凝土收缩特性试验研究
Analytical study on new and old concrete shrinkage difference in bridge reinforcement
桥梁加固新老混凝土收缩差分析研究
Experimental Research on Shrinkage of Adherence of Self-compacting Concrete on Old Concrete
自密实混凝土与老混凝土的粘结收缩试验研究
A Finite Element Analysis of Adherence Between Old and Freshly Cured Self-Compacting Concrete
自密实混凝土与老混凝土黏结收缩有限元分析
Drying Shrinkage and Autogenous Shrinkage Experimental Research of High Performance Concrete;
高性能混凝土的干燥收缩和自生收缩试验研究
Test methods for dry shrinkage of aerated concrete
GB/T11972-1997加气混凝土干燥收缩试验方法
Restrained Shrinkage Properties of Reinforced Concrete at Early Age;
钢筋混凝土早龄期约束收缩性能研究
Effects of Curing on Early-age Shrinkage and Cracking of Concrete;
养护对混凝土早期收缩和开裂的影响
Research on Plastic Shrinkage and Durability of Lightweight Aggregate Concrete;
轻骨料混凝土塑性收缩及耐久性研究
Experiment Study on the Concrete Early-age Shrinkage and Anticrack Properity;
混凝土早期收缩与抗裂性能试验研究
Experimental research on initial dry shrinkage properties of general porous concrete
多孔混凝土早期收缩性能的试验研究