板縫配筋 的英文怎麼說
中文拼音 [bǎnféngpèijīn]
板縫配筋
英文
slab joint reinforcement-
Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete
通過變化受拉筋含筋率和受壓筋、箍筋（鉤筋、分佈筋）含量，或摻加纖維使之成為鋼纖維高強混凝土（ sfrhsc ）和聚丙烯纖維高強混凝土（ pfrhsc ） ，對高強混凝土雙筋截面梁、板的受彎性能進行了試驗研究，試圖改善高強混凝土受彎構件的延性，使其延性比大於5 ；並在相同配筋情況下，通過變化截面寬度，研究了高強混凝土受彎構件的寬高比對壓區混凝土極限應變的影響；並對試驗構件的裂縫發展情況進行了觀測。Based on the experimental results, in concrete limitation stress sandwich first stage ' s ability and one - way and two - way precast slabs sandwich, results content code require - second class crack control. resistant crack calculation is appropriate. because post - tensioned prestressed advances plane ' s resistant crack. deformation and section strain measure accord with calculation results, this indicates 3d - gridding beams modulus is reasonable to precast slabs sandwich
本文通過對試驗數據的分析總結，認為：單塊夾層板第一受力階段的性能試驗及單向和雙向裝配整體式夾層板的性能試驗，滿足《混凝土結構規范》 （ gb50010 - 2002 ）中關于預應力樓板的二級裂縫控制等級的要求，抗裂設計得當；由於板縫無粘結預應力筋的存在提高了板的抗裂性。Based on analysis and comparison of existing test data applied to existing ultimate strength prediction models, interfacial stress at the end of plate is deduced. after formulas for calculating the effective moment of inertia for frp - strengthened beams being revised and adjustment coefficient related to nominal main steel reinforcement ratio and curtailment length ratio being put forward, strength prediction formulas of compound beams under plate end debonding failure are established. in analysis of strength of compound beams under intermediate crack induced interfacial debonding failure mode, several bond strengths and their relation are introduced
對于板端剝離破壞，在總結現有承載力模型的基礎上，利用已有試驗數據對各承載力計算公式進行了分析比較，進一步採用分階段分析法，推導了板端界面應力的計算公式，在此基礎上，採用加固復合梁有效慣性矩的修正公式，建立了考慮名義配筋率和板端偏移比影響的板端剝離破壞梁承載力的計算公式；對于跨中受彎裂縫導致的粘結破壞，闡述了常見的幾種粘結強度之間的區別和聯系，並基於拉剪粘結強度，提出了跨中受彎裂縫導致粘結破壞的承載力計算公式，並利用現有試驗結果確定了模型中的一些參數；最後，利用試驗數據對本文建立的兩種粘結破壞承載力計算公式進行了檢驗，結果基本吻合。The next this text is based on the appearance theories, according to the characteristics that the temperature dispersion of super thick mass concrete planceer of high - rise building primarily is an even difference in temperature and an even constringency, suppose the level shears are line with the displacement, adopting a big physical volume concrete of planceer in flexibility foundation for plank computing model, from theoretically deducing the difference in temperature of mass concrete contracting should basic formula of dint, and analysis the crack rule and the influence factor of mass concrete temperature contract, and bringing up the theory calculation method about temperature stress of mass concrete and the biggest whole method that sprinkle the length, at the same time according to basic formula of the temperature stress of mass concrete and the concrete construction experience, bringing five technique measures to prevent the temperature crack of mass concrete
其次本文以唯象理論為基礎，根據高層建築超厚底板大體積混凝土承受的溫差主要是均勻溫差和均勻收縮的特點，闡述了大體積混凝土溫度應力理論計算的簡化方法和最大整澆長度的計算方法，同時根據大體積混凝土溫度收縮應力基本公式和大體積混凝土結構施工經驗，提出了防止大體積混凝土溫度裂縫的五項技術措施。最後本文以廈門郵電大廈3 . 5m超厚底板施工為實例，從大體積混凝土溫度應力計算、混凝土保溫材料厚度計算、混凝土配合比的確定，鋼筋工程、模板工程、混凝土的泵送和澆築以及大體積混凝土內部溫度的監測和後期養護等方面進行了理論應用。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。The main work done in this paper is as follows : ( 1 ) simulate the temperature field of basement wall by ansys software, sum up the characteristics of the temperature field of basement wall, and analyze the influence of the types of the molding board, environmental change and cement content ; ( 2 ) the whole simulation analysis process of early - age concrete stress field is realized by sub - development of ansys, and cts - ansys software is developed with fortran ; ( 3 ) based on the cause of cracking, the influence of the thickness of the wall, length, bar arrangement, mix proportion, expanding agent, etc, on the wall stress due to concrete creep and temperature change is analyzed
本文主要進行了以下幾個方面的研究： （ 1 ）利用ansys軟體，模擬了施工期地下室側墻溫度場，總結了地下室側墻溫度場分佈的特點，分析了模板類型、環境變化和水泥用量等對墻體溫度場的影響； （ 2 ）以大型通用有限元軟體ansys為平臺進行二次開發，運用visualfortran語言編寫了cts - ansys程序，實現了施工期混凝土徐變溫度應力的模擬計算； （ 3 ）從裂縫形成的原因出發，分析了地下室側墻厚度、長度、配筋率、配合比、膨脹劑等因素對墻體徐變溫度應力的影響。The details are as following : 1 ) through the experiments of seventeen reinforced concrete plates with round openings, stress distributions of concrete and steel bars, concrete cracking, failure mechanism, and the influence of reinforcing bars with different amount and layouts on cracking and failure mechanism of the specimens are studied. the experimental study provides data not only for the validation of fea model and nonlinear fem program, but also for the research on new methodology of design for orifices
本文的主要工作有： 1 ）通過17塊帶圓孔鋼筋混凝土板的試驗，研究在荷載作用下孔口周圍混凝土和鋼筋的應力應變分佈和孔口開裂、破壞規律，以及不同的配筋方式和數量對孔口混凝土裂縫的產生、發展及孔口破壞的影響，為驗證有限元分析模型及非線性分析程序的可靠性提供試驗依據，並為建立新的孔口配筋設計方法提供基本試驗資料。分享友人