混凝土表面裂缝宽度不仅影响结构物的观瞻,而且影响结构的耐久性。
The surface cracking width obviously affects the appearance of the reinforced concrete structure and the durability of construction.
混凝土的浇筑采取了有效的施工措施,控制了裂缝的产生,保证了混凝土施工质量及表面外观质量。
Some effective measures have been taken in the placement of concrete to control the occurrence of crack and to ensure the construction quality and appearance quality.
大体积混凝土在桥梁施工过程中,由于水泥水化热容易引起表面裂缝。
During the mass concrete construction in bridge structure, the cement hydration heat is easy to cause surface cracking.
因此,混凝土构件表面裂缝问题不容忽视。
So, the problem of cracks in surface of concrete structures shall not be ignored.
在实践的基础上,提出了钢筋混凝土结构裂缝的治理方法,包括表面修补法和内部修补法。
Based on the practice, this paper advances some measures for treating the structural cracks on the reinforced concrete, including the surface patching method and the internal patching method.
如果干燥过快则会出现表面裂缝,这将有损于混凝土的强度,同时也会影响到水泥水化作用的充分进行。
This would result in reduction of concrete strength due to cracking as well as the failure to attain full chemical hydration.
如养护不周、时干时湿,表面干缩形变受到内部混凝土的约束,也往往导致裂缝。
If conservation planning, wet, dry, the surface of a raisin deform internal concrete binding, but also often lead to cracks.
桥面铺装防水混凝土表面不得有麻面、蜂窝和裂纹,施工缝处不得有裂缝。
No honeycombs, pitting surface and cracks may exist on the surface of the waterproofing concrete along the bridge deck pavement, there shall be no cracks at the construction joints.
然而水泥混凝土路面破损、断板、裂缝、表面脱落现象时有发生,从而限制了其在公路工程上的广泛应用。
Cement concrete pavement, however damaged, broken boards, cracks, surface loss occurred from time to time, thus limiting its highway projects on a wide range of applications.
裂缝经处理后,混凝土表面干燥,裂缝处未见渗水现象发生,裂缝处理取得了良好的效果。
After crack treatment the surface of concrete becomes dry and seepage phenomenon doesn't occur at all places of cracks.
然后,基于受腐蚀钢筋混凝土构件表面裂缝的分布特征研究了构件的腐蚀情况及其力学特性。
IllFurther, corrosion level and mechanical properties of the CRC beams were studied based on the distribution character of the surface cracks.
三河船闸建于1970年,经过三十多年的运行,混凝土表面出现碳化、裂缝和钢筋外露锈蚀。
After running for 30 years, carbonization, cracks and corrosion of steel have occurred on the surface of the concrete of Sanhe navigation lock which was built in 1970.
同时,提出裂缝处理的表面修补方法、灌浆嵌缝封堵法、结构加固法和混凝土置换法。
At the same time, the surface crack repair method of crack treating, grouting filling embedded block and structural concrete reinforcement and displacement methods are proposed.
大体积混凝土的养护主要是控制混凝土中心和表面的温差,保持一定的湿度,防止产生裂缝。
The main point of bulky concrete curing is to control the temperature difference of the center and appearance of concrete, maintain a certain humidity and prevent cracking.
进行海水中不同冻融循环次数后轻骨料混凝土双轴拉(劈拉)压状态下的强度试验,考察试件的破坏形态和表面裂缝的走向特征。
The strength experiments of lightweight aggregate (LWA) concrete after freeze-thaw cycling in seawater under biaxial splitting tension and compression stress are preformed.
本文从混凝土梁板表面裂缝的自然属性切入,根据监理工程的实际状况论述裂缝的特征。
According to the actual state of the supervision engineering, the characteristics of the crack on the concrete beam and slab was discussed by analyzing the nature attributes of the crack.
大体积混凝土表面易出现纵横裂缝,影响混凝土质量。
Reasons for generating fractures in mass concrete are analyzed.
表面保护是防止大体积混凝土表面温度裂缝的有效措施。
Surface protection is one of the effective measures for surface crack prevention. of mass concrete.
在混凝土表面铺设一定厚度的保温板可以有效的降低混凝土表面的拉应力,防止裂缝的产生。
Laying certain thickness heated board can reduce the concrete surface tension stress effectively to prevent crack.
针对不同情况下的混凝土裂缝,介绍了工程中常采用的两种治理方法,即表面修补法和内部修补法。
According to different concrete cracks tow methods commonly adopted in engineering are introduced to prevent concrete cracks. They are surface repair method and internal repair method.
上述特性将有助于减小混凝土内部温度梯度,对于防止水工混凝土结构表面裂缝起到良好的作用。
This behavior will be helpful to decrease temperature gradient and to lessen surface thermal stress of concrete structure so as to prevent cracking of a structure.
施工期间,环境温度较高,风力较大,混凝土表面失水过快,容易产生裂缝。
Because high surrounding temperature and large wind force cause fast water losing of concrete surface, cracks occur easily on concrete surface during construction.
施工期间,环境温度较高,风力较大,混凝土表面失水过快,容易产生裂缝。
Because high surrounding temperature and large wind force cause fast water losing of concrete surface, cracks occur easily on concrete surface during construction.
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