concrete placing 中文意思是什麼
concrete placing
解釋
灌混凝土-
In the paper, not only such factors as reinforcing steel bar, various placing temperature of concrete in case of lift placements, lift thickness, time interval between lifts, the variation of elastic modules of concrete, heat of hydration, the temperature changes of environment but the effect of creep deformation and autogenous volume change on the temperature field and thermal stress field of reinforced concrete face - slab are considered
本論文在分析中，考慮了鋼筋、混凝土分層澆築、入倉溫度、澆築層厚、施工間歇、混凝土彈性模量變化、水化熱發散規律、外界氣溫等因素的變化及混凝土徐變和自生體積變形等因素對面板溫度場和溫度應力的影響。 -
This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action
考慮了乞今最為全面的初始條件和邊界條件，包括模擬壩體的實際升程過程，考慮了新老混凝土接觸面上的初始溫度不連續，逐日的氣溫變化，混凝土的入倉溫度，水化熱溫升，邊界保溫，水庫蓄水過程，澆築間歇以及灑水養生等因素；應力場的計算考慮了混凝土的自重，靜水壓力，溫度應力，常態混凝土與碾壓混凝土不同的自生體積變形，混凝土的彈性模量隨齡期的變化以及徐變的作用。 -
Placing concrete paving at bus - stop at tta38
于tta38巴士站鋪砌 -
Continuous concrete placing
連續澆注混凝土 -
Concrete placing skip
混凝土澆注斗 -
Reduction crack in the pumping transfer concrete during the megathermal climateit is a diffcult problem. the unit undertaking project of no : 4 pump station for diverting water from the south to the north make a beneficial explore form the design of mix proportionging, control and the concret placing temperature to control the crack extension those experience can be referenced by the unit in charge of large scale pumping station project
摘要高溫季節泵送混凝土裂縫控制的當前工程界一個難題，南水北調淮安四站工程建設中，建設單位科學安排、精心施工，從控制混凝土配合比、入倉溫度等多方面著手，對混凝土裂縫控制技術進行了有益的探索，並取得了預期的效果，為混凝土抗裂技術積累了經驗，對同類型泵站的施工具有重要的參考意義。 -
A couple of soldiers mix cement on the street, lifting it up by a backhoe to their colleagues who use it as mortar, placing concrete block on top of concrete block
幾名士兵在街道上混合水泥，用鋤鏟機舉升給同袍們用作砂漿，一層層地累砌混凝土砌塊。 -
Compress all joints by placing besser blocks over them for ensuring good adhesion between the top layer material and the underlying concrete base
同一方向鋪設表層（黑橡膠粒預制板） 。板間為材料的脹縮留下縫隙。 -
Quality of concrete depends on proper placing, finishing, and curing
混凝土的質量取決于適當的灌注、抹光和養護。 -
Applying and analyzing on characteristics of placing concrete under water with tremies
直升導管澆築水下混凝土方法的應用及特點分析 -
Based on several actual cases, the temperature control measures for roller compacted concrete ( rcc ) gravity dam and arch dam such as structural jointing for construction ; lowering of concrete placing temperature ; water pipe cooling ; surface insulation ; inclined - layer placing etc., the measures to improve the material properties i. e. the application of micro - expanding concrete ; enhancement of material crack - resistance property and the requirement for the simulative analysis on both the temperature field and stress field as well as some problems concerned are summarized herein on the basis of the analysis on the material properties ; construction characteristics and the changing characteristics of the thermal stress of roller compacted concrete
摘要從碾壓混凝土的材料特性、施工特點、溫度場溫度應力的變化特點入手，結合幾個工程總結了碾壓混凝土重力壩、拱壩的分縫方式，降低澆築溫度、水管冷卻、表面保溫、施斜層碾壓等溫控措施，採用微膨脹混凝土、提高材料抗裂性能等改善材料性能措施及碾壓混凝土溫度場、應力場模擬分析的要求和應注意的問題。 -
By using the finite element numerical simulating method, and studies based on the practical project xiluodu arch dam, this paper studies systematically the type of joints, placing temperature, protection methods on the surface of concrete dams, the first stage artificial cooling method including different cooling water temperatures, cooling lasting days and cooling pipes arrangement
本文利用數值模擬計算方法，以溪洛渡實際工程為依託，對大體積混凝土施工中常採用的溫控措施對混凝土溫度變化的影響規律進行了全面系統的研究，包括分縫分塊方式、澆築溫度、混凝土間歇時間、一期冷卻方式（包括不同進水溫度、不同水管布置、不同通水時間）等。 -
The reduced minimum cement contents shall only be used when trial mixes have verified that concrete with a maximum free water / cement ratio not greater than that given for a particular condition can be consistently produced and it is suitable for the conditions of placing and compacting
只有經過試拌證實，可以持續不斷地生產出最大水灰比不大於某一特定工況給定值的混凝土，而且這種混凝土適合於攤鋪與夯實，在這種情況下，才可以使用這一縮減的最低水泥用量。 -
Study on safety vibration velocity caused by blasting for fresh placing foundation concrete
爆破震動作用下新澆基礎混凝土的安全震動速度研究 -
This system is the new type, in which the connection between the special - shaped column and concrete block is stronger than that of frame structure and the dark beams are located and its constructional sequence is brickwork first and placing columns second and concrete blocks are as bottom forms when beams are placing
這種新型結構形式的主要特點包括：異形柱與砌塊為馬牙槎連接、墻體內含有暗梁、施工順序為先砌墻后澆柱、梁澆築時以砌塊為底模。 -
The precautions for the underwater concrete reinforcing cage up - floating accident is placing the reinforcing cage in the pile hole center, controlling the embedded depth of conduct pile, concrete casting velocity and conduce pipe drawing velocity, mixing fine quality concrete, adding barbed bar and specialized refincing cage hanger hook
採用對策是注意保證灌注導管位於鋼筋籠中心，控制導管埋深、灌注速度及提升導管的速度，配製品質好的混凝土，以及採用「倒剌」方法和專用吊鉤等預防措施。 -
Hall says one possible safety measure is placing a surface called " crushable concrete " at the end of the tarmac to help stop runaway airplanes
霍爾說一個可行的安全措施就是在停機坪上鋪一層「可壓碎的的混凝土」給跑道上的飛機助停。 -
Haul hall says one possible safety measure is placing a surface called crashable concrie " crushable concrete " at the end of the tarmac to help staff stop runaway airplanes
說有一種可能的外表安全措施叫做「可變形的混凝土」在停機坪的終端可以幫助停止飛機失控。 -
Aiming at main project of the xiaoxihu bridge, a low pylon cable - stayed bridge, based on the existing theory and method of the bridge construction controlling theory, using the basic function of " ansys ", farther exploitation was done on concrete elasticity and creep calculating distinguishingly, nonlinearity analysis theory was used to construct the space model, the main beam, string pylon and abutment were simulated by the beam elements which was considered the shearing effect. which is worthy of considering that using the geometric non - linear truss elements to simulate the stayed - cable, form traveler is modeled as structure elements and participate in stress analysis. four stages are used to model the construction stage, which are : ( 1 ) the erection of form traveler ; ( 2 ) placing the segmental concrete ; ( 3 ) jacking the tendons ; ( 4 ) tensioning the stay cables
針對建設中的小西湖矮塔斜拉橋的主體工程，結合已有的橋梁施工控制的理論和方法，利用大型通用計算軟體ansys的基本功能，並著重在混凝土彈性計算及徐變計算方面做了相應的二次開發，採用非線性分析理論並建立了空間結構模型、用考慮剪切作用的梁單元模擬主梁、索塔和橋墩；用可考慮幾何非線性的桁元模擬斜拉索、施工掛藍作為結構單元進行拆裝，參與受力計算，整個施工過程按施工循環周期分為若干階段，每個階段又分為四個工況，即：空掛藍就位、澆築完畢階段混凝土、張拉預應力鋼筋和張拉斜拉索。 -
The paper reviews the selection of materials, production and property of the mortar and summarizes the experience and lessons acquired during the placing of prepacked aggregate concrete, which may be of referential value to similar projects
本文詳述了升漿砼砂漿的選材、製作及性能，總結了升漿砼施工過程中的經驗教訓，可供同類工程參考。
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