文章从理论上分析了混凝土锯切过程中的强振动、高噪音的原因。
The cause to the strong vibration and noise encountered in concrete cutting was analyzed theoretically.
该振动的主要优点是它允许一个干燥混凝土，其中有一个因减少水的使用量较高的强度。
The primary advantage of vibrating is that it permits the use of a drier concrete, which has a higher strength because of the reduced water content.
项目使用了小料混合，使混凝土能够放进模板的封闭区而不会振动。
Using a small aggregate mix enabled the concrete to be placed into the blind areas of the formwork with no vibration.
以往的研究主要集中在爆破施工产生的地震效应方面，并制定了各种情况下混凝土结构的安全振动速度。
Those researches centered on the explosion seismic effect caused by the excavating blast and the criterions of safety vibration velocity for different concrete structures.
对该地基采用了强夯加固、在强夯地基上打桩、振动碎石桩和混凝土灌注桩多种地基处理方法。
The method includes the forced ram, piles driving on the ramed ground, vibrating crushed stones piles and injecting concrete piles etc.
通过试验研究，本文论述了碾压混凝土的振动碾压，击实和表面振动的参数变换关系。
This article mainly concentrated on the parameters transformation of vibrating compaction, hitting of roll compacted concrete, and surface vibration on the basis of experimental research.
同时对预应力混凝土简支梁进行了破坏性加载试验和振动信号采集工作。
At the same time, destructiveness test by loading on simple supporting prestressing concrete beam and gathering work of the vibration signal were carried on.
本文针对混凝土普通搅拌的局限性，对振动拌和过程进行了理论分析，将振动强化拌和技术用于SFRC的制备。
Owing to the limitation of traditional con-crete mixing, vibratory mixing technology is used to make SFRC on the basis of theoretical analysis of vibra-tory mixing.
应用振动测试的模态分析方法，对钢筋混凝土结构锈裂损伤定位与识别进行了探讨。
Modal analysis method is used to discuss the location and identification of the damages to reinforced concrete structure due to corrosion and cracking.
采用自由振动法测试得到了一批橡胶混凝土小变形阻尼比的基础性数据。
Free vibration method is employed to measure the damping ratio. A great deal of fundamental data for the damping ratio of rubber powder concrete in small deformation is obtained.
振动搅拌还可以改善混凝土的强度等其他方面的性能。
Besides, vibration mixing method can also improve concrete strength and other performance.
桩基施工时的振动力致使我公司施工的混凝土道路面出现横向贯穿裂缝。
The Pile Foundation construction vibrations caused the horizontal cracks in the concrete road construction of our company.
碾压式沥青混凝土心墙，是将热拌后的沥青混合料按一定的厚度摊铺在铺筑部位上，然后用适当的振动碾碾压成型。
Roller compacted asphalt concrete core wall is built by spreading hot-mixed asphalt concrete with a certain thickness and then shaping-rolled by vibratory roller.
本实用新型公开了一种用于轨枕生产的混凝土振动台。
The utility model discloses a concrete vibrating table used for production of sleepers.
钢筋混凝土双曲冷却塔壳体的阵风响应曾应用随机振动理论的谱分析法进行研究。
The response of the shell of reenforced concrete hyperbolic cooling towers to turbulent wind has been investigated theoretically by applying the spectrum method of random vibration theory.
研究结果表明：振动沉模现浇混凝土管桩技术是高等级公路软基加固中的高效、经济的新技术。
So the field pour concrete cased pile with vibrated steel tube mould technology is an effective and economical technology for soil improvement.
跨越铁路的高速公路桥梁在灌筑混凝土期间列车振动对桥梁梁体混凝土的影响是一个在施工中不容忽视的问题。
The influences of train vibration upon concrete of expressway bridge girders spanning railway line during casting of the concrete are a problem that cannot be neglected.
在满足结构安全受力的前提下，减小衬砌混凝土弹性模量，可以减小地面振动。
Under the premise of satisfied structural safety, reducing the elastic modulus of the concrete lining decreases the ground vibration caused by subway train operation.
埋置于混凝土中的压电陶瓷片可用于混凝土结构的无损监测，而其自身的力学行为可视为一周边固定的复合薄圆板的振动。
The piezoelectric ceramic piece which placed in the concrete can be used in the monitoring of the concrete structure, and its mechanical action may see as a vibration of compound thin disc.
介绍了采用芯模振动工艺生产预制装配式混凝土检查井的工艺技术特点及方法。
By using core vibrated proce, technical proce characteristics and methods of precast fabricated concrete manhole is introduced.
低塑性混凝土的二次振动效果不是很好，降低了混凝土的强度；
The effect of revibration for low fluidity concrete is not well, which reduces strength of concrete.
采用数值模拟方法，对新浇混凝土灌注桩在爆破振动作用下的动态响应进行了分析。
The dynamic response of fresh concrete filling pile under blasting load is studied by numerical simulation in this paper.
振动夯扩桩是在传统振动沉管灌注桩施工工艺的基础上，对混凝土灌注桩的桩端进行了部分改进。
The reinforced concrete pile with ram enlarged base is developed from the cast in place concrete pile.
我国现行采用的新浇筑大体积混凝土基础面上的爆破安全振动速度有一定的安全储备。
The safety vibration velocity for young foundation concrete adopted in our country is of some safety.
利用地震振动台对大跨预应力混凝土井式梁空间框架结构的抗震性能进行了实验研究。
The shaking table test was conducted to gain an insight into the earthquake resistant performance of a large-span prestressed concrete grillage girder space frame structure.
碾压混凝土(RCC)技术是混凝土建造技术的重要进展，而混沌振动碾压是振动碾压的近代技术。
Technology for RCC (roller Compacted concrete) is important progress of concrete construction technology and Chaotic vibratory roller is modern technology of vibratory roller.
并根据振动台试验的结果，按相似关系推算七层混凝土小型空心砌块房屋原型结构的地震反应。
Based on the experimental results on shaking table, the earthquake response of the prototype structure of 7-story hollow concrete block building is estimated by theory of similitude.
利用随机振动方法分析了钢筋混凝土框架结构的水平随机地震激励下结构响应的功率谱。
With the random vibration method, the response spectrum of structure under the earthquake action of level axis directions are obtained.
为探明不同附加荷载下混凝土梁的频率变化规律，建立起钢筋混凝土简支梁在附加荷载作用下振动特性与破损模态之间的关系。
Through the way of model beam, the paper addresses the relationship between RC beam bridge attached load vibration characteristic and damaged modal.
为探明不同附加荷载下混凝土梁的频率变化规律，建立起钢筋混凝土简支梁在附加荷载作用下振动特性与破损模态之间的关系。
Through the way of model beam, the paper addresses the relationship between RC beam bridge attached load vibration characteristic and damaged modal.
应用推荐