shrinkage cracking

The basement wall of high building is very easy to appear temperature shrinkage cracking in early age due to super-long shear walls and stronger restraints.

高层建筑物地下室混凝土侧墙沿水平方向长而薄，其上部与下部分别受梁板与基础底板约束，在混凝土早期易出现温度收缩裂缝。

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The plastic shrinkage cracking resistance was increased with the increasing of polypropylene fibre addition.

聚丙烯纤维掺量对抗塑性干缩开裂性能也有较大影响。

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Some manufacturers use fiber reinforcement to control plastic shrinkage and thermal cracking.

一些生产商使用纤维增强来控制塑性收缩和热胀开裂.

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Flexural Strength and Plastic Shrinkage Cracking Resistance of Aramid Fiber Cement Mortar

芳纶纤维砂浆的抗折强度与抗塑性收缩开裂

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The mechanism of early-age cracking should be studied combining the investigation of setting and hardening, shrinkage, shrinkage stress, tensile creep and cracking resistance.

结合早期凝结硬化、收缩变形、收缩应力、拉伸徐变、弹性模量及抗裂阻力观测，研究早期开裂机理；建立科学合理的开裂判据，较为准确的进行开裂预测。

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Experimental Research and Theoretical Predict on Shrinkage Cracking of Concrete Rin

混凝土环收缩开裂试验研究及理论预测

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To solve this problem, this article analyzed the through cracks most among all kinds of roof cracks in early-age construction, and pointed out the temperature shrinkage stress caused by concrete shrinkage and temperature's changes is the main cause for cracking.

针对这一现象，分析了早期贯穿裂缝的原因，指出混凝土的收缩和使用环境温度的变化在屋面板中所引起的温度收缩应力是开裂的主要因素。

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The key research aspects of these structures focus on how to deal with the concrete cracking due to the thermal action and concrete shrinkage.

对这些结构的研究重点之一就是如何处理温度作用和混凝土收缩引起的结构开裂。

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An experimental study on shrinkage cracking of thin slab structure concrete with fly ash

粉煤灰薄板结构混凝土收缩开裂试验研究

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Influence of Shrinkage Reducing Agent and Expansion Agent on the Shrinkage Cracking of Cementitious Self-leveling Mortar

减缩剂和膨胀剂对水泥基自流平砂浆收缩开裂性能的影响比较研究

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In this paper, an analysis of the reflective cracking generation mechanism, including those caused by thermal shrinkage or loading fatigue, was carried out.

笔者通过多个方面对高等级公路沥青路面反射裂缝的产生机理进行了深入的分析，包括温度型反射裂缝和荷载型反射裂缝；

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Using the finite element method, to analyze the surface layer of asphalt added gravel base case temperature shrinkage cracking.

运用有限元基层裂缝模型分析了有沥青面层时基层温缩开裂情况。

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Study on Low Temperature Shrinkage Cracking of Asphalt Pavement

浅析沥青路面温缩裂缝形成机理

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? Plastic cracking, temperature cracking and dry shrinkage cracking are always occurred during construction and application of the ready mix concrete.

塑性开裂、温度开裂以及收缩开裂是混凝土施工应用中经常出现的质量通病。

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Low temperature shrinkage cracking is very common in northern China.

低温缩裂在中国北方地区是十分普遍的。

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The results show that stress-absorbing layer can effectively eliminate the stress concentration phenomenon at joints of cement concrete and avoid the reflective cracking of overlay caused by thermal shrinkage of cement concrete slab and load.

结果表明：应力吸收层可有效消解水泥混凝土板块接缝处的应力集中现象，防止水泥混凝土面板由于温缩及荷载作用引起的加铺层反射裂缝；

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The results show that ternary addition of WRA, SRA and EA can decrease cracking sensitivity and early age desiccation shrinkage significantly in promising the foundation of original strength, which improves volume stability obviously.

结果表明：减水剂、减缩剂和膨胀剂混掺时，在保证原有强度的基础上，可以大幅度降低砂浆的开裂敏感性及早期干燥收缩，使体积稳定性得以显著改善。

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