本文選題：裝配式 + 剪力墻��； 參考：《西安科技大學(xué)》2015年碩士論文

【摘要】：論文對(duì)預(yù)制墻體豎向鋼筋的不同連接形式進(jìn)行了對(duì)比分析,同時(shí)對(duì)裝配式剪力墻安裝結(jié)合面的受力進(jìn)行了討論。利用數(shù)值模擬方法,對(duì)預(yù)制裝配式剪力墻豎向鋼筋套筒灌漿連接、插入式預(yù)留孔漿錨搭接連接以及后張預(yù)應(yīng)力連接三種不同的連接方式進(jìn)行了受力性能研究,并討論了不同因素對(duì)承載能力的影響。論文得出以下主要結(jié)論:(1)從施工工藝來(lái)講,豎向鋼筋采用預(yù)留孔搭接連接簡(jiǎn)便易行,建議在實(shí)際中優(yōu)先使用該方法;(2)預(yù)制裝配式剪力墻結(jié)構(gòu)的承載力計(jì)算,應(yīng)考慮結(jié)合面的粘結(jié)作用;(3)通過(guò)數(shù)值模擬得出,同等因素下套筒灌漿連接方式可靠性、強(qiáng)度及整體性最好;(4)使用套筒灌漿連接時(shí),連接截面處配筋率宜比采用現(xiàn)澆方式的截面配筋率提高50%;(5)在結(jié)合面配筋率相同的情況時(shí),連接鋼筋直徑對(duì)受力性能有明顯影響,較粗的鋼筋受力性能更好。(6)在連接截面處,套筒連接的配筋率為1%左右時(shí)較為經(jīng)濟(jì),進(jìn)一步增加配筋率對(duì)承載力提升作用不大,同時(shí)配筋率過(guò)小則會(huì)達(dá)不到承載力要求。(7)裝配式剪力墻的承載能力隨混凝土強(qiáng)度等級(jí)提高而提高,但提高能力有限,且混凝土強(qiáng)度越高脆性越大,因此不建議通過(guò)提高混凝土強(qiáng)度來(lái)提高裝配式結(jié)構(gòu)的承載能力。
[Abstract]:In this paper, the different connection forms of precast wall vertical steel bar are compared and analyzed. At the same time, the force of assembly shear wall installation joint surface is discussed. Using numerical simulation method, the mechanical behavior of prefabricated shear wall with vertical reinforcement sleeve grouting connection, insert reserved hole slurry anchor lap connection and post-tensioning prestressed connection are studied. The influence of different factors on the bearing capacity is discussed. The main conclusions are as follows: (1) from the point of view of construction technology, it is easy to use the lapped connection of reserved holes in vertical steel bars, and it is suggested that this method should be used first in practice) to calculate the bearing capacity of prefabricated shear wall structures. By numerical simulation, it is concluded that, under the same factors, the reliability, strength and integrity of the sleeve grouting connection are best when the sleeve grouting connection is used. The reinforcement ratio at the connection section should be increased by 50% than that of the section with cast-in-place method. When the reinforcement ratio of the joint face is the same, the connecting steel bar diameter has obvious influence on the mechanical performance, and the thicker steel bar has better mechanical performance than the coarse steel bar. When the reinforcement ratio of sleeve connection is about 1%, it is more economical to increase the reinforcement ratio. At the same time, if the reinforcement ratio is too small, the bearing capacity of the fabricated shear wall will not reach the bearing capacity requirement. (7) the bearing capacity of the fabricated shear wall increases with the increase of concrete strength grade, but the improvement capacity is limited, and the higher the concrete strength, the greater the brittleness. Therefore, it is not recommended to improve the bearing capacity of assembly structures by increasing the strength of concrete.
【學(xué)位授予單位】：西安科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TU398.2

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