box type bridge 中文意思是什麼
box type bridge
解釋
盒式電橋-
The superstructure of the bridge is a three - span ( 80m + 130m + 80m ) continuous rigid frame. the main piers are single - column flexible solid piers, whose foundation are 2. 0m dug piles. the abutments are light - type box abutments, whose foundation are 1. 2m bored cast - in - place piles
該橋上部為80m + 130m + 80m三跨連續剛構；主墩為單柱柔性實體墩，其基礎為2 . 0m挖孔樁；橋臺為輕型箱式橋臺，其基礎為1 . 2m鉆孔樁。 -
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。 -
Control of bridge floor in cantilever casting construction of t - type continuous rigid - frame box - beam
形連續剛構箱梁懸澆施工橋面高程的控制 -
With the designing and building of yichang yangtse river highway bridge, a single - span suspension bridge with main span of 960m, some technical problems such as the layout of structural system of the suspension bridge, the type of cross section of stiffening steel box girder, the structural system of the anchor and the cracking - resistant techniques of the bulky concrete anchor have been studied in the present thesis. some valuable conclusions have been achieved that provided a substantial support for the successful completion of the bridge. the thesis contains five chapters
本文以湖北宜昌長江公路大橋（主跨為960m的單跨懸索橋）的設計與施工為背景，對大跨懸索橋設計與施工中的若干問題如懸索橋結構的合理布置、加勁鋼箱梁斷面型式的合理選取、錨碇結構的合理確定以及錨碇大體積混凝土設計與施工的綜合防裂技術等進行了研究，取得了一批富於實用價值的研究成果，為宜昌長江公路大橋的順利建成提供了卓有成效的技術支持。 -
It consists of the girders, trolley and electric equipment etc. the bridge is welded structure of box - type girder, individual drives are adopted for traveling mechanism on each end of the crane. all movements of the crane are controlled from the cabin
本起重機由橋架、小車、電氣設備等到部分組成，橋架採用箱型雙梁焊接結構，大車運行機構採用分別驅動，全部機構均在操場室內操縱。
分享友人