CN115142613B - 一种大跨度墙面桁架支撑结构 - Google Patents
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Abstract
本发明公开了一种大跨度墙面桁架支撑结构,其将钢桁架的下弦杆与圈梁接合在一起,将钢桁架的上弦杆与楼板接合在一起,并通过支撑杆将下弦杆的下弦节点与楼板下表面上的连接座相连接。本发明可以避免由于砌体墙偏心荷载而使得钢桁架扭转。
Description
技术领域
本发明涉及钢结构技术领域,具体是一种大跨度墙面桁架支撑结构。
背景技术
目前大跨度墙面支撑结构的第一种解决办法是用实腹钢梁作为墙体的支承结构,但由于大跨度钢梁变形大,钢材与砌体材料的变形协调性不一致,导致墙面出现大面积的裂缝,影响建筑效果;
第二种解决办法是采用混凝土梁作为墙体的支承结构,但混凝土梁与钢柱仅通过钢牛腿转换连接,节点连接成为受力的薄弱环节,抗震性能差;
第三种解决办法通过钢桁架结构作为墙体的受力体系,桁架的变形性能好,能有效的解决墙体开裂的问题,然而平面桁架侧向稳定性较差,与墙体荷载存在偏心受力,受力结构容易出现扭转,从而使墙体容易产生裂缝。
发明内容
本发明所要解决的技术问题是,提供一种大跨度墙面桁架支撑结构,其可以避免由于砌体墙偏心荷载而使得钢桁架扭转。
为解决上述技术问题,本发明提供的大跨度墙面桁架支撑结构,包括钢桁架、砌体墙、楼板、圈梁、若干个支撑杆和若干个连接座;
钢桁架包括上弦杆、下弦杆、若干个竖腹杆和若干个斜腹杆,上弦杆和下弦杆相互平行,上弦杆上沿长度方向间隔设置有若干个上弦节点,下弦杆上沿长度方向间隔设置有若干个下弦节点,上弦节点和下弦节点一一对应的设置,每个竖腹杆的两端均分别与上弦杆、下弦杆垂直相连,每个竖腹杆的两端均分别连接在上弦杆的上弦节点、下弦杆的下弦节点上,每个斜腹杆的两端均分别与上弦杆、下弦杆倾斜相连,每个斜腹杆的两端均分别连接在上弦杆的上弦节点、下弦杆的下弦节点上;
砌墙体上设置有若干个间隔分布的构造柱,构造柱与竖腹杆一一对应设置;
钢桁架的背面与砌体墙相抵,钢桁架的上弦杆与楼板的下表面相连接,钢桁架的下弦杆与圈梁的上表面相连接,每个竖腹杆均与相对应的构造柱相贴合;
若干个连接座沿上弦杆的长度方向间隔设置在楼板的下表面上,若干个支撑杆的上端分别一一对应的与若干个连接座相连接,若干个支撑杆的下端分别一一对应的连接在下弦杆的若干个下弦节点上;
所述下弦杆的每个下弦节点上均设置有一插口,每个插口的上壁和下壁上均同轴设置有第一通孔;
每个支撑杆的下端均固定设置有一矩形套体,每个矩形套体的一端均与支撑杆相连接,每个矩形套体的另一端均为开口端,每个矩形套体的上壁板和下壁板上均同轴设置有第二通孔;
每个构造柱上均设置有一预埋件,每个预埋件均包括埋设在构造柱内的预埋部和贯穿与构造柱相对应的竖腹杆所连接的下弦节点的后壁而伸入到插口内的连接部,每个连接部上均设置有第三通孔;
圈梁上沿长度方向设置有若干个盲孔,盲孔与下弦节点一一对应设置;
每个竖腹杆上均可活动的设置有一可伸入到各自竖腹杆所连接的下弦节点的插口内的锁定件;
当支撑杆与相对应的下弦节点相连接时,支撑杆上的矩形套体插入到相对应的下弦节点的插口内,此时下弦节点处的两个第一通孔、两个第二通孔、第三通孔和各自下弦节点所对应的盲孔同轴线设置,每个竖腹杆内的锁定件均穿过各自竖腹杆所连接的下弦节点处的两个第一通孔、两个第二通孔、第三通孔后插入到盲孔内固定,锁定件将矩形套体、预埋件、下弦节点和圈梁相互连接。
作为优选,所述锁定件均包括插杆部和提手部,每个竖腹杆均为中空结构,每个竖腹杆的一侧壁上均设置有上下延伸的槽孔,锁定件的提手部均可滑动的设置在槽孔上,锁定件的插杆部均可活动的设置在竖腹杆内,每个槽孔的上端均设置有用于卡接提手部的第一卡槽部,每个槽孔的下端均设置有用于卡接提手部的第二卡槽部;
当锁定件的提手部卡接在第一卡槽部内时,锁定件的插杆部完全位于竖腹杆内;
当锁定件的提手部卡接在第二卡槽部内时,锁定件的插杆部穿过竖腹杆所连接的下弦节点上的两个第一通孔、两个第二通孔、第三通孔后插入到盲孔内固定。
作为优选,每个竖腹杆内均固定设置有导向块,每个竖腹杆上的锁定件的插杆部均可活动的竖直贯穿导向块。
作为优选,所述大跨度墙面桁架支撑结构还包括一楼层钢梁,楼层钢梁包括上翼板、下翼板和腹板,上翼板的侧边与上弦杆相连接,下翼板的侧边与竖腹杆相连接,上翼板的上表面与楼板的下表面相抵。
采用以上结构后,本发明与现有技术相比,具有以下的优点:
本发明的大跨度墙面桁架支撑结构,将钢桁架的下弦杆与圈梁接合在一起,将钢桁架的上弦杆与楼板接合在一起,并通过支撑杆将下弦杆的下弦节点与楼板下表面上的连接座相连接,这样,使得钢桁架的侧向稳定性较好,从而在钢桁架与砌体墙载荷存在偏心受力时,钢桁架不容易出现扭转,从而使得砌墙体不容易开裂。
附图说明
图1是本发明的侧视图;
图2是支撑杆与下弦节点的连接示意图;
图3是图2的另一状态的结构示意图;
图4是钢桁架、楼板和圈梁的组合视图;
图5是钢桁架与砌体墙的组合视图;
图6是图4中A区域的放大图。
具体实施方式
下面结合附图和具体实施方式对本发明作进一步详细地说明。
由图1~图6所示,本发明的大跨度墙面桁架支撑结构,包括钢桁架10、砌体墙20、楼板30、圈梁40、若干个支撑杆50和若干个连接座60。
参照图4,钢桁架10包括上弦杆11、下弦杆12、若干个竖腹杆13和若干个斜腹杆14,上弦杆11和下弦杆12相互平行,上弦杆11和下弦杆12均水平设置,上弦杆11上沿长度方向间隔设置有若干个上弦节点111,下弦杆12上沿长度方向间隔设置有若干个下弦节点121,上弦节点111和下弦节点121一一对应的设置,每一组相对应的上弦节点111和下弦节点121均上下间隔分布,每个竖腹杆13的两端均分别与上弦杆11、下弦杆12垂直相连,每个竖腹杆13的两端均分别连接在上弦杆11的上弦节点111、下弦杆12的下弦节点121上,每个斜腹杆14的两端均分别与上弦杆11、下弦杆12倾斜相连,每个斜腹杆14的两端均分别连接在上弦杆11的上弦节点111、下弦杆12的下弦节点121上,竖腹杆13和斜腹杆14沿上弦杆11的长度方向交替设置。
砌墙体20上设置有若干个间隔分布的构造柱21,构造柱21为钢筋混凝土结构,构造柱21与竖腹杆13一一对应设置。构造柱21与竖腹杆13均竖直设置。
参照图1、图4、图5,钢桁架10的背面与砌体墙20相抵,钢桁架10的上弦杆11与楼板30的下表面相连接,钢桁架10的下弦杆12与圈梁40的上表面相连接,每个竖腹杆13均与相对应的构造柱21相贴合,这样,将钢桁架10的下弦杆12与圈梁40接合在一起,将钢桁架10的上弦杆11与楼板30接合在一起,使得钢桁架10、楼板30和圈梁40之间结构稳固,使得钢桁架10的侧向稳定性较好。
若干个连接座60沿上弦杆11的长度方向间隔设置在楼板30的下表面上,连接座60与下弦节点121一一对应设置,若干个支撑杆50的上端分别一一对应的与若干个连接座60相连接,若干个支撑杆50的下端分别一一对应的连接在下弦杆12的若干个下弦节点121上,这样,支撑杆50将下弦杆12的下弦节点121与楼板30下表面上的连接座60相连接,支撑杆50对钢桁架10进行加固,支撑杆50使得钢桁架10的侧向稳定性较好。
参照图2、图4,所述下弦杆12的每个下弦节点121上均设置有一插口122,插口122位于下弦节点121的背离构造柱21的一表面上,每个插口122的上壁和下壁上均同轴设置有第一通孔123,第一通孔123均贯穿插口122的上壁和下壁。
每个支撑杆50的下端均固定设置有一矩形套体51,每个矩形套体51的一端均与支撑杆50相连接,每个矩形套体51的另一端均为开口端,矩形套体51的开口端为水平朝向,矩形套体51与支撑杆50一体成型设置,每个矩形套体51的上壁板和下壁板上均同轴设置有第二通孔511,第二通孔511均贯穿矩形套体51的上壁板和下壁板。
每个构造柱21上均设置有一预埋件70,每个预埋件70均包括埋设在构造柱21内的预埋部71和贯穿与构造柱21相对应的竖腹杆13所连接的下弦节点121的后壁而伸入到插口122内的连接部72,预埋部71与连接部72一体成型设置且相互垂直,每个连接部72上均设置有第三通孔721。
圈梁40上沿长度方向设置有若干个盲孔41,盲孔41与下弦节点121一一对应设置,具体的,盲孔41与相对应的下弦节点121的插口122内的两个第一通孔123同轴线设置,同时,盲孔41与相对应的下弦节点121的插口122内连接部72的第三通孔721同轴线设置。
每个竖腹杆13上均可活动的设置有一可伸入到各自竖腹杆13所连接的下弦节点121的插口122内的锁定件80。
参照图3,当支撑杆50与相对应的下弦节点121相连接时,支撑杆50上的矩形套体51插入到相对应的下弦节点121的插口122内,此时下弦节点121处的两个第一通孔123、两个第二通孔511、第三通孔721和各自下弦节点121所对应的盲孔41同轴线设置,每个竖腹杆13内的锁定件80均穿过各自竖腹杆13所连接的下弦节点121处的两个第一通孔123、两个第二通孔511、第三通孔721后插入到盲孔41内固定,这样,通过锁定件80将矩形套体51、预埋件70、下弦节点121和圈梁40相互连接,从而使得支撑杆50与钢桁架10、圈梁40、构造柱21相互之间连接稳固,使得支撑杆50对钢桁架10的加固效果更好,而且使得支撑杆50与下弦节点121的连接也较为方便,支撑杆50与下弦节点121之间无需焊接,只需将支撑杆50上的矩形套体51插入到下弦节点121的插口122内,然后通过锁定件80将矩形套体51锁定即可。
所述锁定件80均包括插杆部81和提手部82,每个竖腹杆13均为中空结构,每个竖腹杆13的一侧壁上均设置有上下延伸的槽孔131,锁定件80的提手部82均可滑动的设置在槽孔131上,锁定件80的插杆部81均可活动的设置在竖腹杆13内,插杆部81与竖腹杆13同轴线设置,锁定件80可沿竖腹杆13的轴线方向滑动,每个槽孔131的上端均设置有用于卡接提手部82的第一卡槽部1311,每个槽孔131的下端均设置有用于卡接提手部82的第二卡槽部1312。
参照图2、图6,当锁定件80的提手部82卡接在第一卡槽部1311内时,锁定件80的插杆部81完全位于竖腹杆13内,此时矩形套体51可插入到插口122内。
参照图3,当锁定件80的提手部82卡接在第二卡槽部1312内时,锁定件80的插杆部81穿过竖腹杆13所连接的下弦节点121上的两个第一通孔123、两个第二通孔511、第三通孔721后插入到盲孔41内固定。
每个竖腹杆13内均固定设置有导向块132,每个竖腹杆13上的锁定件80的插杆部81均可活动的竖直贯穿导向块132,导向块132可以对锁定件80的移动起导向作用,以避免锁定件80在移动时跑偏。
所述大跨度墙面桁架支撑结构还包括一楼层钢梁90,楼层钢梁90包括上翼板91、下翼板92和腹板93,上翼板91、下翼板92和腹板93一体成型设置,上翼板91的侧边与上弦杆11相连接,下翼板92的侧边与竖腹杆13相连接,上翼板91的上表面与楼板30的下表面相抵,这样,楼层钢梁90对钢桁架10其加固作用,使得钢桁架10与楼板30之间相对稳定性较好。
以上仅就本发明应用较佳的实例做出了说明,但不能理解为是对权利要求的限制,本发明的结构可以有其他变化,不局限于上述结构。总之,凡在本发明的独立权利要求的保护范围内所作的各种变化均在本发明的保护范围内。
Claims (3)
1.一种大跨度墙面桁架支撑结构,其特征在于,包括钢桁架(10)、砌体墙(20)、楼板(30)、圈梁(40)、若干个支撑杆(50)和若干个连接座(60);
钢桁架(10)包括上弦杆(11)、下弦杆(12)、若干个竖腹杆(13)和若干个斜腹杆(14),上弦杆(11)和下弦杆(12)相互平行,上弦杆(11)上沿长度方向间隔设置有若干个上弦节点(111),下弦杆(12)上沿长度方向间隔设置有若干个下弦节点(121),上弦节点(111)和下弦节点(121)一一对应的设置,每个竖腹杆(13)的两端均分别与上弦杆(11)、下弦杆(12)垂直相连,每个竖腹杆(13)的两端均分别连接在上弦杆(11)的上弦节点(111)、下弦杆(12)的下弦节点(121)上,每个斜腹杆(14)的两端均分别与上弦杆(11)、下弦杆(12)倾斜相连,每个斜腹杆(14)的两端均分别连接在上弦杆(11)的上弦节点(111)、下弦杆(12)的下弦节点(121)上;
砌墙体(20)上设置有若干个间隔分布的构造柱(21),构造柱(21)与竖腹杆(13)一一对应设置;
钢桁架(10)的背面与砌体墙(20)相抵,钢桁架(10)的上弦杆(11)与楼板(30)的下表面相连接,钢桁架(10)的下弦杆(12)与圈梁(40)的上表面相连接,每个竖腹杆(13)均与相对应的构造柱(21)相贴合;
若干个连接座(60)沿上弦杆(11)的长度方向间隔设置在楼板(30)的下表面上,若干个支撑杆(50)的上端分别一一对应的与若干个连接座(60)相连接,若干个支撑杆(50)的下端分别一一对应的连接在下弦杆(12)的若干个下弦节点(121)上;
所述下弦杆(12)的每个下弦节点(121)上均设置有一插口(122),每个插口(122)的上壁和下壁上均同轴设置有第一通孔(123);
每个支撑杆(50)的下端均固定设置有一矩形套体(51),每个矩形套体(51)的一端均与支撑杆(50)相连接,每个矩形套体(51)的另一端均为开口端,每个矩形套体(51)的上壁板和下壁板上均同轴设置有第二通孔(511);
每个构造柱(21)上均设置有一预埋件(70),每个预埋件(70)均包括埋设在构造柱(21)内的预埋部(71)和贯穿与构造柱(21)相对应的竖腹杆(13)所连接的下弦节点(121)的后壁而伸入到插口(122)内的连接部(72),每个连接部(72)上均设置有第三通孔(721);
圈梁(40)上沿长度方向设置有若干个盲孔(41),盲孔(41)与下弦节点(121)一一对应设置;
每个竖腹杆(13)上均可活动的设置有一可伸入到各自竖腹杆(13)所连接的下弦节点(121)的插口(122)内的锁定件(80);
当支撑杆(50)与相对应的下弦节点(121)相连接时,支撑杆(50)上的矩形套体(51)插入到相对应的下弦节点(121)的插口(122)内,此时下弦节点(121)处的两个第一通孔(123)、两个第二通孔(511)、第三通孔(721)和各自下弦节点(121)所对应的盲孔(41)同轴线设置,每个竖腹杆(13)内的锁定件(80)均穿过各自竖腹杆(13)所连接的下弦节点(121)处的两个第一通孔(123)、两个第二通孔(511)、第三通孔(721)后插入到盲孔(41)内固定,锁定件(80)将矩形套体(51)、预埋件(70)、下弦节点(121)和圈梁(40)相互连接;
所述锁定件(80)均包括插杆部(81)和提手部(82),每个竖腹杆(13)均为中空结构,每个竖腹杆(13)的一侧壁上均设置有上下延伸的槽孔(131),锁定件(80)的提手部(82)均可滑动的设置在槽孔(131)上,锁定件(80)的插杆部(81)均可活动的设置在竖腹杆(13)内,每个槽孔(131)的上端均设置有用于卡接提手部(82)的第一卡槽部(1311),每个槽孔(131)的下端均设置有用于卡接提手部(82)的第二卡槽部(1312);
当锁定件(80)的提手部(82)卡接在第一卡槽部(1311)内时,锁定件(80)的插杆部(81)完全位于竖腹杆(13)内;
当锁定件(80)的提手部(82)卡接在第二卡槽部(1312)内时,锁定件(80)的插杆部(81)穿过竖腹杆(13)所连接的下弦节点(121)上的两个第一通孔(123)、两个第二通孔(511)、第三通孔(721)后插入到盲孔(41)内固定。
2.根据权利要求1所述的大跨度墙面桁架支撑结构,其特征在于,每个竖腹杆(13)内均固定设置有导向块(132),每个竖腹杆(13)上的锁定件(80)的插杆部(81)均可活动的竖直贯穿导向块(132)。
3.根据权利要求2所述的大跨度墙面桁架支撑结构,其特征在于,所述大跨度墙面桁架支撑结构还包括一楼层钢梁(90),楼层钢梁(90)包括上翼板(91)、下翼板(92)和腹板(93),上翼板(91)的侧边与上弦杆(11)相连接,下翼板(92)的侧边与竖腹杆(13)相连接,上翼板(91)的上表面与楼板(30)的下表面相抵。
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