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- prestress steel concrete pipe 预应力钢简混凝土管
- Quality Control of Thin Wall Centrifugal Steel Concrete Pipe Structure 薄壁离心钢管混凝土结构及其质量控制
- DN1000 steel concrete pipe DN1000砼管
- Engineering Technique of Laying Caisson Piles of Static Pressure Prestressing Steel Concrete 静压预应力钢筋混凝土管桩施工技术
- There is a crane ahead that is hanging a large concrete pipe. 前面有一台吊车正在吊着一只大水泥管。
- The problems and its solved ways in using self-stress cements in steel concrete pipes 钢筋混凝土输水管中使用的自应力水泥存在的问题及解决办法
- The research results also indi-cate that the steel fiber reinforced centrifugal concrete pipe has better durability. 研究还表明,离心钢纤维混凝土管具有较好的耐久性。
- To expound the approach to get low relaxation property of prestress steel products and its effect factors, and the mechanism is discussed. 阐述了获取低松弛预应力钢材的途径及其影响因素,研究与探讨了预应力钢材低松弛性能的获取机理。
- Prestressed steel strand extension machine? 预应力钢绞线拉伸设备?
- On internal cause, taking good block-crack, anti-fatigue, anti-impactive steel-fibre concrete pipe can confirm security of the construction and reduce distributed steel. 在内因上,为保证结构长期安全性及减少配筋量,采用具有良好阻裂作用、耐疲劳、抗冲击的钢纤维砼管片。
- The relationships between the anti-relaxation property of prestress steel products and the process parameters of stabilization treatment and other mechanical properties are researched. 研究预应力钢材抗松弛性能与其稳定化处理工艺参数及与其它力学性能之间的关系。
- As a new joist technique of concrete pipe pile, the prestressed concret e pile mechanical bond express joint has been used in engineering nowadays. 预应力混凝土管桩机械快速接头作为一种新型的管桩连接技术,近年在工程中时有使用。
- Straddle-type single-track beam of Press Steel Concrete (PC) possess the action of bearing, orienting and stabilizing. 跨座式单轨PC(预应力混凝土)轨道梁桥结构具有承重、导向及稳定的作用。
- In concrete pipe, corrosion-resistant liners may be placed in the invert of the sewer for protection. 在混凝土管道中,防腐衬里可以放置在管子里面保护管子。
- The bending moment of common prestressed concrete pipe piles is relatively low under the horizontal earthquake action. 摘要普通预应力混凝土管桩在水平地震作用下抗弯能力较差;
- Nonetheless, I have to consider the following things:一、whether I should use steel tubes or steel concrete as underprop. 但是有几点是我不得不考虑的:一、是用钢管做支撑还是用钢精水泥柱作支撑。
- When reinforced concrete pipe is needed for larger sizes, at interior protective coating or coal tar, vinyl, or epoxy should be considered. 如果需要大尺寸的钢筋混凝土管,内部衬里用煤焦油,乙烯基或环氧应该考虑。
- Epoxy or plastic liming may be cast into the concrete pipe during manufacture;or bitumastic or coal tar epoxy may be painted on the concrete pipe surfaces after installation. 可以在制造混凝土管道时将环氧和塑胶衬里浇筑在里面,或在安装后用沥青砂浆或煤焦油屠宰混凝土管的表面。
- The prestressed steel bars shall be threaded in loop by loop with manual work during the slipform elevation process. 预应力筋应随滑模提升过程逐圈用人工穿入。
- The tests research of blasting vibration simulating earthquake were carried out by a reinforced concrete pipe embedded landscape orientation and hangfire. 摘要通过埋置钢筋混凝土管约束爆破的竖向震动,采用延时爆破方式进行模拟天然地震的试验研究。