This paper analyses the causes of common cracks of reinforced concrete Structure, and gives the crack controlling principle, measures, handling methods of the harmful cracks.
分析了钢筋混凝土结构裂缝的产生原因，提出了裂缝控制的原则、措施及有害裂缝的处理方法。
The methods about controlling alloy components and increasing melt purity were presented. The methods of preventing casting crack were presented.
提出了控制合金成分、提高金属纯洁度的方法，重点提出了解决扁铸锭裂纹的措施。
Its effect of controlling the concrete's crack and crush, decreasing the structural deformation and improving the structural stability is marked.
这种结构能有效的控制混凝土在爆炸冲击荷载作用下的开裂、震塌，限制结构的变形，增强结构稳定性。
The methods of controlling temperature shrink crack are applied in a practical concrete slab project, which shows the feasibility and rationality of these methods.
以实际工程为例，对温度收缩裂缝控制措施进行了综合运用，进一步来说明这些防止钢筋混凝土筏板基础裂缝技术的可行性和合理性。
The mass concrete construction method for the equipment foundation in BX steel POSCO cold rolled sheet plant and technical measures for controlling its crack development were introduced in this paper.
介绍了本钢浦项冷轧薄板厂大体积混凝土设备基础的施工方法，以及控制其裂缝开展的技术措施。
This paper introduces some quality controlling measures against the crack-facing of wall-filled frame.
结合工程实践，较全面地介绍了防止框架填充墙饰面裂缝的质量控制措施。
Within the range of test temperature, the factors controlling the toughness are fracture loads, the lengths of fibrous crack, and the energy absorbed by each fibrous crack extension.
在试验温度区内，控制韧性的因素是断裂载荷、纤维裂纹长度和单位纤维裂纹扩展能量。
The existence of grey spot may cause brittle crack of the joint, therefore, controlling grey spot occupy a decisive position to ensure the quality of rail resistance welding.
灰斑的存在易导致接头的脆性断裂。因此，控制灰斑对保证钢轨接触焊质量举足轻重。
The article explains the causation of grinding crack, affecting factor and controlling steps.
介绍了产生磨削裂纹的原因、影响因素及控制措施。
Crack is the main channel of oil and gas infiltration and the main controlling factor of high-yield Wells.
裂缝是油气渗滤的主要通道，是高产井的主要控制因素。
The technology of prestressed no beam slab with no expansion joint was applied in LongYan children's playground. This paper analysized and summarized the measures of crack controlling in this roof.
龙岩儿童乐园超长顶板采用预应力无梁平板，不设伸缩缝，本文对该顶板的抗裂控制的措施和经验进行了分析和总结。
This paper analysized the reasons of temperature crack and put forward the precaution and controlling measures for masonry structure.
本文分析了砌体结构温度裂缝产生的主要原因，探讨砌体结构温度裂缝的预防和控制措施。
The structure integrity of HK40 reformer tube is studied in respect of the controlling parameter of creep crack growth, the critical crack length and the residual life.
分别从蠕变裂纹扩展的控制参数，临界裂纹长度及剩余寿命三方面对HK40转化管进行了结构完整性研究。
If a current with proper intensity has been switched on, the goal of controlling the melting and welding dimension effectively around the crack tip can be obtained.
文中给出的算例表明，适当控制通入的电流强度，可以达到有效控制裂尖熔化区尺寸以及形成焊口的目的。
The stress field of RCC gravity dam is the main factor to lead to the dam crack, the stresses caused by the other factors are less than temperature stress field, which function is for controlling.
碾压混凝土坝温度应力是导致坝体裂缝的主要因素，其他荷载所引起的应力与温度应力相比相对较小，温度应力起控制作用。
Based on the result of full-scale test on the reflection crack, this article evaluates the effectiveness of controlling this crack with the fiber reinforced asphalt mixture and glass fiber geogrid.
通过反射裂缝足尺试验来评价纤维增强沥青混合料和玻璃纤维土工格栅对抑制反射裂缝的效果，对抑制机理作了分析。
Using this method, PCF can automatically fulfill the requirements of crack-controlling, and unifies the calculating method of the quantity of prestressed tendons under different crack-controlling.
PCF采用了该方法，能根据结构的使用性能要求，主动进行抗裂设计，并对不同抗裂等级构件取得了统一的计算方法。
The emergence of the corrosion crack and the further expanding was protected by the means of smoothing the operation condition, controlling the technology indexes, isolating the corrosion medium.
稳定操作条件，控制各工艺指标，隔离腐蚀介质等可防止腐蚀裂纹的产生或进一步扩展。
Restraining the shrinkage and crack of concrete by using of expansive agent has been an effective controlling method since the setting of shrinkage-compensating theory.
自补偿收缩理论建立以来，采用混凝土膨胀剂抑制混凝土的收缩开裂是行之有效的控制方法。
Furthermore, calculating method for the stress of prestressing steel and controlling conditions of crack width are also presented in the paper.
提出了预应力钢筋应力的计算方法和裂缝的控制条件。
Based on the design code of concrete structure (GBJ10-89), the paper gives the nominal tensile stress method of controlling crack width in prestressed concrete structure of punchy bars.
以混凝土结构设计规范(GBJ10—89)为基础。建立了强力钢筋做预应力筋的预应力混凝土结构用名义拉应力控制裂缝宽度的方法。
Dynamic equations controlling the thermally -driven fluid convection in a single rock crack are established in the paper.
本文建立了控制垂直裂隙中热驱动对流的动力学方程。
Product Introduction: Uses the special-purpose chemical additive, achieves the anti-crack goal through the chemical reaction controlling mortar contraction.
产品介绍：采用专用添加剂，通过化学反应控制砂浆收缩达到抗裂目的。
The node structure has determined force transfer, capacity of controlling the crack development effectively, convenient construction and excellent engineering application foreground.
该节点传力明确、不带环梁、能有效控制板柱交接处裂缝的开展、施 工方便，有很好的工程应用前景。
The node structure has determined force transfer, capacity of controlling the crack development effectively, convenient construction and excellent engineering application foreground.
该节点传力明确、不带环梁、能有效控制板柱交接处裂缝的开展、施 工方便，有很好的工程应用前景。
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