粘結后張 的英文怎麼說
中文拼音 [niánjiēhòuzhāng]
粘結后張
英文
bonded post tensioning-
Suggestion to post - tensioned bounded pre - stressing construction in small - radius camber arch bridges
小半徑彎梁橋中后張有粘結預應力施工問題芻議Application of prestressed concrete in plate girder bridge with post - tensioning method without splice
后張無粘結部分預應力砼在板梁橋中的應用Combined with the full scale models tested in - situ of prestressed concrete penstock with double circle unbonded strands and single circle bonded strands of xiaolangdi multipurpose dam project of yellow river, the advantages and disadvantages of two different prestressed systems are analyzed, the concrete stress distributions of the prestressed concrete penstock are induced and summarized during the whole tensioning strands stage. the consistence among the test results, the theory calculating and the three dimensional finite element analysis is proved. therefore, the theoretical method of prestressed concrete penstock is feasible
結合黃河小浪底水利樞紐工程在施工現場進行的採用雙層雙圈環形無粘結預應力鋼絞線和單圈有粘結預應力鋼絞線對排沙洞襯砌混凝土施加預應力的1 : 1模型試驗,對比分析了兩種后張預應力施工體系的優劣,歸納總結了預應力筋束張拉過程中預應力混凝土壓力管道結構管壁混凝土的內力分佈規律,驗證了模型試驗實測數據、理論計算和三維有限元分析結果的一致性,確定了預應力混凝土壓力管道理論計算方法的可行性。Complicated hydrologic and geographic conditions, and the large scale of the xiaolangdi hydraulic project on the yellow river are introduced briefly. three desilting tunnels are designed to meet the requirements of flood control, sediment discharge and runoff regulation. according to the performance requirements of desilting tunnels, the tunnel lining down - stream of the grouting curtain is designed to be post - tensional prestressed lining. on the basis of investigation and research, experiements and analysis, the unbonded prestressing system is used. it is the largest unbonded prestressed tunnel lining project in the world, and the first one in china
簡介黃河小浪底水利樞紐復雜的水文、地質條件以及龐大的工程規模.該樞紐設計有3條排沙洞,擔負著泄洪、排沙、調節徑流和保證進水口不被泥沙淤堵的任務.根據排沙洞的水庫運用要求,灌漿帷幕下游排沙洞洞身段設計為混凝土后張預應力隧洞.通過大量的調研、試驗、分析論證,在施工前確定該預應力方案選用無粘結預應力系統,成為目前世界上規模最大的無粘結預應力隧洞襯砌工程,在國內尚屬首例Application of vacuum - assistant mortar intrusion technique in sticking strain - prestressing bridge structure
真空輔助壓漿技術在有粘結后張預應力橋梁結構中的應用Based on the experimental study of two presstressed frames, it analyses the question of redistribution of internal force and analyses influence of moment modulation of prestressed frames. therefore, it draws some conclusion as follow : 1 ) post - tensioned prestressed frames can be practiced on moment modulation. but how to operate decides on practical situation in design
本文通過對兩榀近於足尺的后張有粘結預應力框架在跨間豎向荷載作用下的試驗研究,探討了預應力框架內力重分佈問題,從塑性內力重分佈入手分析了次彎矩對框架彎矩調幅的影響以及影響內力重分佈的其他主要因素,得到一些概念性的認識和結論: ( 1 )對后張有粘結預應力框架可進行適當調幅。In engineering construction, the unbonded tendons can be laid within moulding board like non - prestressed steel according to the designing requirements and can be tensioned and anchored when the concrete reaches designing strength
在施工時,無粘結筋可如同非預應力鋼筋一樣,按設計要求鋪放在模板內,待混凝土達到設計強度要求后,再張拉錨固。The creep behavior of carbon fiber reinforced polymers is studied, and the regularity between time and creep deflection is analyzed. creep model is established by statistic analysis, as well as the influence on engineering practice and prestressing bonding frp technique induced by creep behavior of cfrp is analyzed
研究了卸載后碳纖維片材的強度、模量變化情況,分析了徐變性能對加固綜合效果的影響以及對預張拉粘貼碳纖維片材加固混凝土結構的影響。The detail procedures of the loading test on the ultimate bearing capacity under different load cases and the author ' s first - hand experience during the tests are documented in the paper. based on the experimental performance, it has been verified that the superposed floor assembled by the precast - prestressed sandwich slab working under the design and the reliability of the lateral connecting character of the slab
在板側縫內施加后張法無粘結預應力,在構造上利用板側伸出的鋼筋相互搭接實現橫向傳力,變單向受力為雙向受力形成裝配整體式樓蓋結構,可明顯改善樓蓋結構的受力性能。A historical analysis in theory is carried on studying redistribution of internal force in the bonded post - tensioned partially prestressed concrete framesin this paper
本文編制了變剛度分析程序,重點研究了后張有粘結部分預應力混凝土框架的塑性內力重分佈的規律。At first, this thesis analyzes the main causes in theory, which have effects on the redistribution of internal force and modulation of moment for the bonded post - tensioned partially prestressed concrete frame ( for short prestressed frame ), including the relative height of compressive zone of section ( ), secondary moment and types of load applying. then, this thesis analyzes the test of prestressed frame. then, a method, called curvature - force method, for nonlinear analysis of prestressed frame is put forward
本文首先從理論上分析了影響后張有粘結部分預應力混凝土框架(簡稱為預應力框架)內力重分佈和彎矩調幅的主要因素,即相對受壓區高度、次彎矩和加載方式等,並初步分析了兩榀只加豎向荷載和兩榀既加豎向荷載又加水平荷載的單層單跨預應力框架靜力加載的試驗。The prestressed concrete with unbonded tendons has developed in china for recent ten years. this improves normal post - tensioned prestressed concrete construction method and simplifies construction technique
無粘結預應力混凝土技術在我國是近十年來發展起來的,它改進了通常的后張預應力施工方法,簡化了后張預應力施工工藝。According to the loading characteristics of bonded post - tensioned prestressed concrete frames, a program is worked out to perform a nonlinear finite element analysis for the static staff in both the stretching wire stage and the loading stage
摘要根據后張有粘結預應力混凝土框架結構的受力特點,編制了適用於預應力建立和施加外荷載兩個階段的靜力桿件非線性有限元分析程序。Theory of post - tensioned prestressed concrete beams with bond
后張有粘結預應力連續梁的分析原理分享友人