查询词典 concrete

In order to study the method and its capability of the borax ceramsite concrete as the layer of accumulation of heat of floor radiant heating,the borax ceramsite concrete was used to substitute for pisolite concrete as the layer of accumulation of heat in the floor radiant heating system during the construction of Lakeside Garden Buildings in Liaohua District.

目的研究硼泥陶粒混凝土作为低温热水地板辐射供暖系统蓄热层的作法及其性能。方法辽化湖畔花园小区住宅楼工程中，用硼泥陶粒混凝土代替豆石混凝土作低温热水地板辐射供暖系统蓄热层，取暖期内对试验工程进行温度监测实验。结果试验工程混凝土试块强度平均值为27.5 MPa，合格率为100%，厚度均在允许偏差内，合格率100%；外观鉴定混凝土表面无裂缝，并根据温度监测结果画出了取暖期内每天温度随时间变化的曲线图。结论用硼泥陶粒混凝土作低温热水地板辐射供暖系统的蓄热层，与用豆石混凝土相比，减轻了建筑物自重、减缓了传热速度、增强了房间的热稳定性

The influence of density of concrete,wave speed of specimen and Poisson s Ratio of concrete on early-age elastic modulus of concrete are studied.

利用超声波无损检测方法测定混凝土的早龄期弹性模量，研究了混凝土的密度、通过试件的波速以及混凝土的泊松比三个因素对早龄期弹性模量的影响。

Based on the non-adiabatic temperature rise test of concrete cuboid at the field laboratory and the 3-D finite element method of concrete temperature simulation, and by using RAGA in back analysis of the concrete thermal parameters, good result is achieved.

根据现场实验室内的混凝土长方体试件非绝热温升试验，在温度场三维有限元仿真计算的基础上，运用基于实数编码的加速遗传算法对混凝土的热学特性参数进行反演分析。

It is understood that total length of 336 meters of the White Horse Gate River inverted siphon movements concrete pipe 200 meters, concrete pipe inverted siphon Body Overall width 33 meters, will need to install 3079.5 tons steel production, 33,137.5 cubic meters of concrete poured.

据了解，总长为336米的白马门河倒虹吸混凝土管身段200米，倒虹吸混凝土管身总宽33米，需要安装3079.5吨钢筋制作，混凝土浇筑33137.5立方米。

According to the in situ environments of deep copper mines, the authors have developed new types of underway LHD road s, including a cement mine waste concrete road , a plaster mine waste concrete road , a composite jelling agent ore powder concrete road and a block mine waste rolled road , ensuring high intensity underway transport.

针对深部铜矿井下采场铲运机运行路面的具体情况，开发以井下矿碴为骨料的水泥、石膏、复合胶凝剂矿粉混凝土路面及块状矿碴辗压路面，为高强度井下采矿作业提供了运输保障，与传统的砂料混凝土路面相比，技术经济效益显著。

According to the in situ environments of deep copper mines, the authors have developed new types of underway LHD roads, including a cement mine waste concrete road, a plaster mine waste concrete road, a composite jelling agent ore powder concrete road and a block mine waste rolled road, ensuring high intensity underway transport.

针对深部铜矿井下采场铲运机运行路面的具体情况，开发以井下矿碴为骨料的水泥、石膏、复合胶凝剂矿粉混凝土路面及块状矿碴辗压路面，为高强度井下采矿作业提供了运输保障，与传统的砂料混凝土路面相比，技术经济效益显著。

According to the deterioration mechanism of concrete, the model of life perdiction in the corrosion form of corrosive medium and high heat were based on the penetration of chloride with the rustiness of steel and the carbonization of concrete with the rustiness of steel. The calculation results of service life of the origin concrete and new mending materials were close to the actural phenomenons.

根据两种腐蚀形式的劣化机理，建立以氯离子渗透和钢筋锈蚀以及温度影响下的混凝土碳化和钢筋锈蚀为主体的钢筋混凝土使用寿命预测模型，并分别对原有材料和新修补材料进行使用寿命预测，预测结果与实际工程相吻合。

Hill sand can be used in producing high performance concrete of hill sand based on the research of high strength concrete of hill sand, hydro-concrete of hill sand and the usage of fly ash.

本研究课题是在已成功研制并实际应用的C60高强山砂混凝土的基础上，结合对微细活性掺合料性质的理论认识，充分利用贵州当地的混凝土材料，并掺入微细活性掺合料，研制一种新型的高性能混凝土，即山砂高性能混凝土。

The research is to develop a new material----high performance concrete of hill sand on the basis of practice of high strength concrete of hill sand and knowledge of ultra-fine trass additive by using concrete material in Guizhou and mixing fly ash.

本文通过对配制的山砂高性能混凝土和普通混凝土的拌合物性能、力学性能、长期性能及耐久性能的研究，得到流动性、保水性、粘聚性等性能优良的山砂高性能混凝土。

Test and analytical studies indicated that (1) connection moment strengths in positive bending were similar but in negative bending were different on the order of 0.72 and 0.6 percent compared to the bare steel beam subassembly so that the self-centering behavior of the subassemblies with the composite concrete slab was not observed,(2) force-transferring mechanism in the connection proposed was able to predict the force-deformation relationship of the subassembly with the composite concrete slab, and (3) a general-purpose nonlinear finite element analysis program ABAQUS was used to perform the correlation study on the subassemblies with and without composite concrete slab.

实验结果显示(1)含楼版试体在千斤顶往正方向作用时的弯矩与未架设楼版试体接近，但在千斤顶往负方向作用时未架设楼版试体的弯矩分别约为含楼版试体的0.72%及0.6%，所以预力梁柱接合系统於钢梁上架设楼版，对预力系统自行复位的能力造成很大的影响、(2)由预力梁柱接合系统力量与位移间的关系利用迭代方法可以预测含楼版试体的行为、及(3)以有限元素分析程式模拟其中一组含非传统楼版试体以探讨含楼版预力接合系统在挠曲载重作用下的行为。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了