The safety and economic section of a masonry retaining wall can be obtained by using the complexphase for structure optimization design of the wall.
采用复形法对圬工挡土墙进行结构优化设计，得出安全经济剖面。
This paper analyses the dissolve erosion destroy of the white scar on the surface of hydraulic structure concrete which is a kind of concrete dissolve damage occurred by the combining action of the calcium and CO2 in the cement,and the project quality and frost and thaw.
分析了水工混凝土表面发生白瘢病的溶蚀破坏是含钙水泥中的钙质和CO2及工程质量和冻融的联合作用下发生的一种混凝土溶蚀破坏问题。
The authors of the paper have presented their new views on the correlation of compressive strength and other performance indexes of hydraulic structure concrete based on a series of normal mix proportion tests, thus providing sound bases for study of diagnosing ageing of hydraulic concrete structure and for establishing an accurate diagnosis mathematic model.
本文基于一系列正交配方试验，对水工混凝土的抗压强度和其他性能指标的相关性提出了新的看法，为水工混凝土建筑物老化诊断的研究，建立准确的诊断数字模型提供了依据。
Variation of chloride-permeation resistance of concrete for ocean construction with time at early ages was studied through measurement of compressive strength,chloride permeability and pore structure.
50时,海工混凝土早龄期抗氯离子渗透能力远小于它们的28 d抗氯离子渗透能力,且其随龄期变化规律不同于抗压强度随龄期的变化规律;在早龄期时由于海工混凝土的孔隙率高、孔径大于50 nm的大孔数量多,因此其抗氯离子渗透能力较弱;尽管在设计海工混凝土时选用了高抗氯离子渗透能力的高性能混凝土,但其在早龄期时也不具有抗氯离子渗透能力。
For ocean construction, the durability of concrete for ocean construction was very important, because the caustic ions in the ocean environment would erode the concrete.
在海工建筑中，由于海洋环境中的腐蚀性离子会侵害混凝土，因此海工混凝土的耐久性就显得尤其重要。
In this thesis, the influences of combinations of slag and expansive agent at different rations on the mechanical properties and durability of high performance Concrete for ocean construction were studied.
本文对掺矿渣及不同掺量膨胀剂对海工混凝土的力学性能极其耐久性的影响进行了系统的研究。
winterized concrete plant
冬季制造混凝土工厂
Construction operation specification for reinforced concrete engineering
钢筋混凝土工程施工操作规程
"Shotcrete: or gunite, Concrete applied by spraying."
喷制混凝土:喷射施工用的混凝土。
waterproofing of concrete surface
混凝土表面防水工程
cast-in-situ concrete construction
现浇钢筋混凝土施工
spalling repair works
混凝土剥落修葺工程
steel I-Beam Bridge with reinforced concrete deck
工字钢梁混凝土面桥
alternatebay construction
(混凝土用的) 隔仓施工法
cast-in-site concrete technique
混凝土现浇施工技术
prefabrication of concrete element
混凝土构件预制工艺
The workmen are concreting the road.
工人们在用混凝土铺路。
Study on Concrete Sawing Mechanish and Single Segment Cutting Concrete;
混凝土加工机理及单节块锯切混凝土研究
Stability Research of Concrete-filled-steel Tube Arch Bridge on Filling Concrete for Arch Rib
钢管混凝土拱桥拱肋混凝土灌注施工稳定研究
Construction Control of Concrete Lifting for Steel-pipe Concrete Bowstring Arched Bridge
钢管混凝土系杆拱桥混凝土顶升的施工控制
The concrete mixing system fore-cooling concrete design of Gaomozan engineering
高摩赞工程混凝土拌和系统预冷混凝土设计
The workmen mixed sand, gravel, and cement to make concrete.
工人们把沙,石子和水泥混和成混凝土。
"Supplying Tunnel Concrete as a Service in civil engineering projects, the provision ready-mixed concrete by concrete pump services has for long been a regular practice."
供应隧道混凝土作为一项服务在土木工程项目中,用混凝土泵供应预混混凝土早已普遍采用。
Key words： reinforced concrete、 concrete、 high performance concrete、 cement concrete、 pozzolanic effect、 mass concrete.
关键词：钢筋混凝土、混凝土、性能混凝土、高强混凝土、泥混凝土、生骨料混凝土、体积混凝土。