建筑土木畢業(yè)設(shè)計(jì)中英文翻譯--新型高層建筑物結(jié)構(gòu)交錯(cuò)排列剪力墻結(jié)構(gòu)-預(yù)覽頁(yè)
【正文】 teger stiffness is greatly improved. Due to the above main reasons, this structure is considered to have particular advantages pared with traditional shear wall structure in improving structural lateral stiffness. It can provide larger using space, and reduce the material, earthquake action as well as dead , it can provide larger lateral stiffness, which will benefit the structural lateral capability. In author’ s paper and in this paper the example calculating results indicates that lateral stiffness of this structure are double of coupled shear wall structure ,and nearly equal to integer shear wall structure (light small than the latter). Aseismic analysis and construction measures in a building example In order to study dynamic characteristics and aseismic performances in this structural system, the staggered shear wall will be used as all cross walls in the large bay shear wall structure without internal longitudinal walls. Example. Thereis a ninestorey reinforcement concrete building, which is large bay shear wall struvture, shown in figure3. here,walls columns, beams, and slabs are all castinsitu. The thickness t=240mm is used for shear walls from 1 to 3 stories, while 4 thickness t=200mm is used for shear walls from 4 to 9 stories. Given the section of columns of width b=500mm and depth h=600mm . Given the section of beams of width b=300mm and depth h=700mm . The modulus of elasticity is assumed to be E=*10E7 kN/ 2m and G=*10E7 kN / 2m . The external longitudinal walls are castinsitu wall frame, and the cross walls are staggered shear walls , showm in Figure 3 (a) (scheme I) ,intensity 8 zones near earthquake, 2type site ground 。 secondly, the bigger dead weight will lead to the increase of constructional materials and seismic force which cause desigh difficulty of superstructures and foundations. In this paper, a new type tall building structurestaggered shear wall structureis presented in order to overe above disadvantages of traditional shear wall, which not only provide big space for architectural design but also has lighter dead weight and high capacity of resistance to horizontal load. REINFORCEMENT CONCRETE STAGGERED SHEAR WALL STRUCTURAL SYSTEM IN TALL BUILDINGS Structure Style and Features of New Type Shear Wall Structural System： In this newtype shear wall structural system,every shear wall is at staggered location on adjacent floor, as well as adjacent shear walls are staggered with each end of floor slab is supported on top edge of one shear wall。然而，在這個(gè)結(jié)構(gòu)中仍然有二個(gè)明顯的缺點(diǎn)： 首先，二個(gè)剪力墻之間的空間不可能太大，并且平面布局不靈活，因此不滿足公共建筑的操作性能要求 。 毗鄰剪力墻下緣支撐地面板的另一個(gè)末端。剪力墻可以交錯(cuò)排列或不符合使用要求，見圖 1。不僅克服了普通剪力墻的二個(gè)主要明顯的缺點(diǎn)，并且有效地?cái)U(kuò)大剪力墻結(jié)構(gòu)用途空間。以上分析表明，交錯(cuò)排列的剪力墻和普通剪力墻相比有更強(qiáng)的整體剛度、較少的上面層位移 (減少大約 58%)和較少的相對(duì)樓層位移。 在側(cè)向力作用下，結(jié)構(gòu)變形是一致的，從而它可能有效地改進(jìn)整體剛度，并且能更好的抵抗側(cè)向力。由此可知，側(cè)向剪切力傳遞方法是特別的，每個(gè) 9 樓板通過(guò)樓板和上層樓板傳遞側(cè)向剪切力。雖然剪力墻底部排列不規(guī)則，但在整體結(jié)構(gòu)中，樓板有更大的剛度，它傳遞和抵抗從上到下的側(cè)向剪力，從地板中間漸近或從邊緣到中間的側(cè)向剪力。由于形成 X 對(duì)角線，剪力墻有大剛度和強(qiáng)度， X 對(duì)角線具有教大的剛度。它可以擴(kuò)大使用空間，并且減少材 料，在地震作用時(shí)減輕自重。 例子。 假如柱的寬度 b=500mm，高度 h=600mm。在分析反應(yīng)光譜方法分析墻板元素的基礎(chǔ)上，使用計(jì)算機(jī)程序 FWD 計(jì)算抗震的分析。在自重減少 10890kN 的同時(shí)增加房屋的使用面積，而且荷載減少了 2093kN，并且保護(hù)了剪力墻的混凝土 (40%和方案 2 比較或大約25%和方案 3 比較 )。這個(gè)結(jié)果表示，當(dāng)堅(jiān)固的剪力墻有小裂縫時(shí)，會(huì)具有大剛度、大自重和地震力，此新型結(jié)構(gòu)可以調(diào)整結(jié)構(gòu)剛度和減少自重或地震力，美中不足的是在設(shè)計(jì)時(shí)限制了部分剪力墻和梁。板的厚度不應(yīng)該少于 180mm，特別是底層應(yīng)鋪設(shè) ф8 200的雙向鋼筋。所以除了暗柱和連梁以外，在剪力墻的連接處應(yīng)設(shè)置斜桿來(lái)保證連接處的強(qiáng)度和剛度。 因此，這個(gè)結(jié)構(gòu)系統(tǒng)有教好經(jīng)濟(jì)效益。 4) 在沒有內(nèi)縱墻、十字型剪力墻和縱向框架結(jié)構(gòu)以及不牢固的大空間剪力墻結(jié)構(gòu)時(shí)，這個(gè)結(jié)構(gòu)可以用于大空間剪力墻結(jié)構(gòu)的縱墻，因?yàn)樗梢蕴峁└蟮目臻g和減少結(jié)構(gòu)自重和地震力，無(wú)需減少剛度，有益于任何框架的剪力墻或整體結(jié)構(gòu)。 但是，它只用于單間距結(jié)構(gòu)
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