查询词典 concrete

An experimental research on 18 specimens of steel reinforced concrete and steel fiber reinforced concrete two-pile and five-pile thick caps of 1∶5 model ratio has been carried out.

随着高层、超高层以及特殊要求建筑的兴建，桩基以其承载力高、能减少地基不均匀沉降和抗震性能好等优点，在工程中得到越来越广泛地应用。

In many reasons of causing cracks, only a few studies are reported about the influence of concrete shrinkage and creep on cracks for its computational complexity. If any, most calculations are only based on the two-dimensioned finite element model. So it's significant that how to analyze the spatial effect of concrete shrinkage and creep by utilizing large software.

在众多的开裂原因中，混凝土收缩徐变的影响，由于计算的复杂性，这方面的研究报道很少，而且大部分的计算也只是基于二维杆系有限元模型，因而如何利用大型软件进行考虑混凝土收缩徐变的空间效应分析，十分有意义。

The main contents are as follows: the basic knowledge of reinforcement and concrete; the principle of ferroconcrete in structural design and computation; the computation of bearing capacity in the normal and oblique section of flexural member; the computation method of member in torsion, tension and compression; the computation of distortion and crack width in members of the ferroconcrete in the design principle, stress analysis and the computation of the bearing capacity in the pre-stressed concrete structure and give an outline of the tier building and multistoried building.

主要内容有：钢筋和混凝土材料的基本知识；钢筋混凝土机构设计计算原理、设计方法；受弯构件正截面、斜截面承载力计算；受弯受扭受拉构件的承载力计算方法；钢筋混凝土构件的变形和裂缝宽度计算；预应力混凝土结构设计原理、应力分析及承载力计算；并简要介绍多层及高层建筑物结构。

On the base of comparatively analysis about various design method to piles cap, a new compound material——steel fiber reinforced concrete is first applied in piles cap. The modeling experiments on 9 three-pile caps and 15 four-pile caps specimen are carried on, the mechanic characteristic of piles cap and obvious effect of adding steel fibers into concrete are analyzed in detail, which provide reliable experimental basis for establishing the loadtransferring model of piles cap.

在分析比较各种有关承台设计计算方法的理论体系后，首次将钢纤维混凝土这种新型复合材料应用于桩基承台进行理论研究，并基于9个三桩承台和15个四桩承台的模型试验，详细分析了承台的力学性能，以及钢纤维的掺入对提高构件承载能力，延缓裂缝开展，有效降低承台厚度等方面的显著影响，为桩基承台传力模型的建立提供可靠的试验依据。

The bond behavior between FRP sheet with FRP shear key and concrete was studied by experiment on a single shear test setup. Test invariables including the height, the width and the length of shear key, appending coarse-sand-coating and concrete compressive strength were considered.

采用FRP板－混凝土块搭接接头的单剪试验方法，考虑剪力键高度、宽度和长度、附加砂粒增强以及混凝土强度等因素，对带剪力键的FRP板与混凝土间粘结性能进行了深入研究。

A crack in the tension zone of the concrete implies that some slip has occurred between the steel reinforcement and the surrounding concrete.

在混凝土受拉区出现裂缝意味着钢筋与周围的混凝土之间产生了一些滑移。

The success of Sui Fenhe cable-stayed bridge's construction control improves the technology level of the concrete cable-stayed bridge's construction control, solves the difficult problems of the long-span cable-stayed bridge's swivel erection construction and provides the valuable experiences for the long-span concrete cable-stayed bridge's swivel erection construction in the future.

绥芬河转体施工斜拉桥施工控制的成功，提高了混凝土斜拉桥施工控制的技术水平，突破了大跨度混凝土斜拉桥单点平铰水平转体施工的难题，为今后类似大跨度混凝土斜拉桥转体施工提供宝贵的经验。

Considering all of above, combined the subsection of "the study of the repair and strengthening method for existing bridge" with the sustentation fund of Ministry of Education, the bond characteristic, failure mechanism and shear strength computation of interface between new and old concrete and their applications in bridge strengthening are studied through the model test with embedded bar or not. The research works are mainly concerned with the following aspects: Firstly, considering different influence factors, the full-range shear experiment of 6 groups with 18 Z-shape specimens is executed. The bond shear capacity of interface is studied as well as the degree of influence such as interface roughness, agent, strength of new and old concrete, the depth of embedded bar.

本文围绕教育部《高等学校优秀青年教师教学科研奖励计划》之子课题&既有桥梁的维修加固方法研究&，结合有和无植筋状况下的模型试验，研究新老混凝土结合面的粘结性能、粘结破坏机理和粘结抗剪强度的计算及在桥梁加固中的应用。

Test results indicate that adding 10 percent ultra-fine lime stone powder blending material can obviously improve the early compression strength of concrete,and that the bending strength of concrete will be improved along with increase of addition amount of lime stone powder when the addition amount is less than 30 percent.

结果表明，掺入10%的超磨细石灰石粉掺合料可显著提高混凝土的早期抗压强度，当石灰石粉掺量小于30%时，抗折强度随其掺量的增加而提高。

This type can be made of brick, stone, and separate concrete and monolithic concrete parts.

这种类型可以作出的砖，石，以及单独的混凝土及铁板一块混凝土部分。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。