干缩变形

水泥稳定碎石基层材料干缩变形特性的试验研究

Test Study on Dry Shrinkage Deformation Properties of Cement-stabilized Macadam Base Course Materials

高弯拉强度水泥混凝土早期干缩变形性能研究

Study on High Flexural Strength Concrete Early Shrinkage Deformation

基于孔结构模型的混凝土干缩变形理论分析

Analysis of Concrete Shrinkage Based on the Micro - pore Structure Model

砌体结构中气温变化及干缩变形引起的墙体裂缝分析

The analysis of masonry structures cracks caused by the variance of temperature and shrinkage

结果表明，裂缝产生的主要原因是地基的沉降变形，导致框架变形，填充墙体产生干缩变形，建筑物开裂。

The results indicate that the main reason is uneven settlement on the foundation .

并简要叙述了再生砂浆的强度与干缩变形。

Compressive strength and drying shrinkage of the mortar produced with recycled fine aggregate were also narrated .

但是，再生混凝土强度较低，干缩变形较大，常常成为制约其应用于结构混凝土的瓶颈。

Relatively low strength and high dry shrinkage of RAC , however , often limit the extensive application to structural occasions .

本文从砂浆的尺寸稳定性和模网温度变形特点，探讨了引起模网混凝土面层砂浆开裂的主要原因，其中砂浆的尺寸稳定性研究了干缩变形和温度变形。

The main reasons were discussed from the deformability of mortar , including the shrinkage deformability and temperature deformability of formwork .

防止温差和干缩变形引起砖混房屋顶层墙体裂缝的构造措施

Construction Measure to Guard Against Wall Cracks Occurred Due to Become Deformed with Dry and Contract on the Roof of Brick House

径向竹篾复合板的研制Ⅰ.径向竹篾（或竹块）干缩变形的防止

A Study of the Processing of Radial Bamboo Composite Panel ⅰ . Preventing the Radial Bamboo Strip ( or Block ) from Deformative Shrinkage

收缩开裂是影响现代混凝土耐久性的主要因素，而干缩变形又是引起混凝土开裂的最常见也是最主要的原因。

Shrinkage and cracking were the primary factors influencing the durability of modern concrete , and the drying shrinkage is the common and primary reason of concrete cracking .

利用由旧路面水泥混凝土块破碎而成的再生骨料，进行了再生修补型路用混凝土的性能试验，主要测试了其抗压强度、抗折强度、干缩变形以及抗冻性能。

The performance tests of using the recycled concrete to repair the damaged pavement are carried out , in which the old pavement is crushed to be recycled aggregate .

考虑温度、徐变、自生体积变形、干缩变形等因素的影响，用增量-迭代法建立了大体积混凝土结构应力场的粘弹塑性有限元表达式。

Considering the effect factors such as temperature , creep , self-grown volumetric deformation and shrinkage distortion etc. , the visco-elastic-plastic FEM expression for stress field of massive concrete structure is put forward by incremental iterative method .

结果表明：集料级配组成、失水率、暴露时间、强度、空隙率等，均对水泥稳定碎石基层材料的干缩变形特性产生明显影响。

Result shows a series of factors have evidence effects on dry shrinkage deformation properties of cement-stabilized macadam base course materials , such as aggregate gradation composition , water loss ratio , exposure time , strength and porosity ratio etc.

高强高耐水土体固结剂具有应用范围广、早期强度高、水稳定性与耐久性好、湿胀与干缩变形小等特点。

Soil mass solidifying agent of high strength and high water resisting has the characteristics of wide range of application , high strength at early stage , good water stability and durability , small deformation in expanding with humid and contracting with arid .

还测试了再生粗骨料混凝土的抗冻性和抗渗性，简要叙述了再生粗骨料混凝土干缩变形、冻融作用、渗透作用的机理以及影响因素。

The cold resistance and the water permeability resistance of the recycled coarse aggregate concrete were also test . The principle and the influencing factors of the drying shrinkage , the freeze thaw action and the water permeation action of the recycled coarse aggregate concrete were briefly narrated .

分析了砌体产生裂缝的原因，介绍了控制裂缝的原则，从地基处理、抗应力措施、防止砌体干缩变形等方面提出了防止墙体开裂的措施。

This paper analyzes on the causes of the cracks in the bricking-up structures , introduces the principles of the crack control , and puts forward some measures for preventing the wall cracks from aspects of the fundamental treatment , anti-stress measures , and the deformation of drying shrinkage , etc.

针对目前水泥碎石基层的应用现状，分析了水泥碎石基层沥青路面产生反射裂缝的成因，并结合强度、干温缩变形性能提出了综合抗裂指数的抗裂评价指标。

According to the application of the cement treated base , this thesis analyzes the cause of reflection cracks in cement treated base asphalt pavement , combined with strength , dry and heat shrinkage deformation properties , anti-crack evaluation index is put forward .

就多层砌体结构温度裂缝、干缩裂缝等，从温度、干缩变形、地基沉降等方面，对其裂缝产生的原因作了分析，并从材料设计、施工方面，提出了相应的防治措施。

According to temperature cracks and dry shrinkage cracks of multi-layer brick structure , it analyzes its cause from temperature 、 dried-deformation 、 sedimentation of foundation , and puts forward its relative prevention measures from material 、 design 、 construction .