搗土工作 的英文怎麼說
中文拼音 [dǎotǔgōngzuò]
搗土工作
英文
beat cob work-
Abstract : based on the test, the workability and strength laws ofnon - vibrating concrete are discussed. the c50 and c60 non - vibrating concrete are developed and applied in the engineering
文摘:運用正交試驗方法探討了免振搗混凝土工作性和強度的影響規律，配製出了c50和c60級免振搗混凝土並在工程中得到應用。Moreover, the main components of h mineral admixture is procured from industry waste, and its " production procedure is simple, so its " production cost is very low. the most tightness pile up theory and rheology is successfully applied in the designation of self - compacting concrete, and the factors such as sand rate, aggregate grading, paste content and mineral admixtures are been studied. under the guidance of mix design theory and on the basis of mass experiments, c20 - c80 high performance self - compacting concrete is been produced
將最緊密堆積原理和流變學原理相結合，運用於免振搗混凝土配合比設計之中，系統地研究了砂率、集料級配、水泥漿量、礦物摻合料等因素對免振搗混凝土物理力學性能、工作性能、耐久性能的影響，成功配製出從c20 - c80及以上強度等級的高性能免振搗混凝土。The results of research work show that the values of sand rate, aggregate grading, paste content and mineral admixtures control the degree of tightness pile up and the workability of fresh concrete, furthermore, they determined the mechanics performance and the durability of self - compacting concrete
研究表明，砂率、集料級配、水泥漿量、礦物摻合料等因素的取值決定了免振搗混凝土的緊密堆積程度及新拌混凝土的工作性能，從而進一步決定了免振搗混凝土的物理力學性能及耐久性能。Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating
箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋，分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模；拆裝式和液壓式兩種模板的設計、製作要求和使用方法；綜合考慮、優化混凝土配合比，混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝，蒸汽養護的方法和規定；應力應變雙控制確保預應力施工質量的施工技術；採用重物移運器有效移梁的施工方法；壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法，並可為以後類似施工作借鑒。Beat cob work
搗土工作To best achieve the working performance of the said concrete, with the help of theology theory in the research, we have analyzed the principle of free - vibration densifying and shaping of mixed concrete, that is, with the perquisite of fluidity, the concrete should have good property of filling - up - space, penetration through voids of fixed steel reinforcement, adherence and prevention from losing water and segregation, and the conflict between anti - segregation and deforming capability should be sorted out
為得到自密實高性能混凝土的最佳工作性能，在研究中藉助流變學理論，分析研究了混凝土拌合物免振搗成型和密實的機理，在大流動性的前提下，要求混凝土具有良好的填充性、鋼筋間隙通過性和粘聚性，防止泌水、離析，解決變形能力與抗離析性能力的矛盾。Self - densifying high performance concrete is well - performing concrete with the good performance of fluidity, anti - segregation and filling - up - space. with its own gravity and without any vibration, it can automatically fill up the space in and between fixed shutters and form self - densified concrete structure of ideal dynamic property and durability, therefore, it can accelerate construction progress of a building, shorten the construction period, secure concrete quality and improve the building ' s durability. in the mean time, it is conducive as well for environment protection and effects remarkable social and economic efficiency
自密實混凝土屬于高性能混凝土，它具有高流動性、高抗離析性、高填充性的性能，在自重作用下無需振搗，自行填充模板空間，形成自密實的混凝土結構，有良好的力學性能和耐久性能，可以加快工程建設進度、縮短工期、有效控制混凝土的質量、提高建築物及構築物的耐久性，並有利於環境保護，具有較高的社會和經濟效益。分享友人