水泥混凝土制品_2020_《混凝土與水泥制品》雜志社

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發布時間：2020-01-06 00:00:00

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水泥混凝土制品

外包鋼加固環形混凝土電桿受彎承載力計算方法研究

殷曉三，李克，許慧慧

2020年第11期

摘要

引用本文

摘 ? 要：為了進一步完善外包鋼加固環形混凝土電桿的受彎承載力計算方法，基于空心鋼管混凝土結構理論，考慮環形混凝土電桿縱向受力鋼筋對加固后構件受彎承載力的貢獻，利用ABAQUS軟件，建立有限元計算分析模型，分析了外包鋼強度和厚度對加固構件受彎承載力的影響規律。結果表明，采用外包鋼加固環形混凝土電桿，受彎承載力隨著外包鋼的壁厚和強度增大而增大。將環形混凝土電桿縱向受力鋼筋等效為外包鋼，根據空心鋼管混凝土結構理論，計算外包鋼加固環形混凝土電桿的受彎承載力，其計算結果與有限元計算結果進行比較，由此確定截面面積等效系數為0.4，從而建立了實用的受彎承載力計算公式。 Abstract: In order to further perfect the calculation method for flexural capacity of circular concrete pole strengthened with external steel clad, based on the basic principles of hollow concrete-filled steel tubular structures, taking longitudinal steel bars into consideration, finite element analysis models were established with ABAQUS software, and influence rules of strength and thickness of external steel clad were analyzed. The results show that the flexural bearing capacity of circular concrete pole strengthened with external steel clad increases with the increase of the wall thickness and strength of the external steel clad. Under the condition that longitudinal steel bars are equivalent to external steel clad, flexural capacity of circular concrete pole strengthened with external steel clad was calculated. The calculation results were compared with the finite element analysis results so as to determine the cross-sectional area equivalent coefficient, and the area equivalent coefficient was calculated as 0.4, thus a pragmatic calculation method for flexural capacity of circular concrete pole strengthened with external steel clad was put forward.

殷曉三,李克,許慧慧.外包鋼加固環形混凝土電桿受彎承載力計算方法研究[J].混凝土與水泥制品,2020(11):35-39. YIN X S LI K,XU H H.Research on Calculation for Flexural Capacity of Circular Concrete Pole Strengthened with External Steel Clad[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(11):35-39.

鋼結構住宅用預制夾心保溫外掛墻板的設計與應用研究

王宇，吳杰，朱敏濤

2020年第11期

摘要

引用本文

摘 ? 要：結合實際工程，進行了鋼結構住宅用預制夾心保溫外墻掛板的結構設計、配合比設計及配制技術、生產工藝以及質量控制等方面的研究，開發了適用于鋼結構住宅的輕質預制夾心保溫外墻板，并在實際鋼結構住宅建筑中得以應用。 Absrtact: Combined with the practical project, the structure design, mix proportion design and preparation technology, production technology and quality control of prefabricated sandwich insulation exterior wallboard used in the steel structure housing are studied, and the light weight prefabricated sandwich insulation exterior wallboard suitable for steel structure residence is developed, which has been applied in the specific engineering.

王宇,吳杰,朱敏濤.鋼結構住宅用預制夾心保溫外掛墻板的設計與應用研究[J].混凝土與水泥制品,2020(11):40-43. WANG Y,WU J,ZHU M T.Study on the Design and Application of Prefabricated Sandwich Insulation External Wallboard Used in Steel Structure Housing[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(11):40-43.

新型露骨料飾面SP墻板的研發與應用

高雅靜1，李曉文1，劉昊1，蔣勤儉2

2020年第11期

摘要

引用本文

摘 ? 要：以實際工程為依托，研發了一種新型露骨料飾面SP墻板，闡述了該墻板的飾面工藝、預應力工藝、預埋件定位等生產技術，介紹了其在生產過程中的質量控制技術和產品檢驗過程，最后介紹了新型露骨料飾面SP墻板在全裝配混凝土結構新型工業廠房外圍護系統中的應用。 Abstract: Based on the actual project, a new type of exposed aggregate facing SP wallboard is developed. The production technology of the wall panel, such as facing technology, prestress technology and embedded parts positioning are described. The quality control technology and product inspection process in the production process are introduced. Finally, the application of the new exposed aggregate facing SP wallboard in the fully assembled industrial plant is introduced.

高雅靜,李曉文,劉昊,等.新型露骨料飾面SP墻板的研發與應用[J].混凝土與水泥制品,2020(11):44-47. GAO Y J,LI X W,LIU H,et al.Research and Application of A New Exposed Aggregate Facing SP Wallboard[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(11):44-47.

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