CN102864854B - L-shaped precast concrete wall connection - Google Patents
L-shaped precast concrete wall connection Download PDFInfo
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Abstract
本发明L型预制混凝土墙体连接节点，属于建筑结构技术领域。该L型预制混凝土墙体连接节点包括第一预制混凝土墙体和第二预制混凝土墙体，所述预制混凝土墙体在节点侧靠近端面处设有纵向贯通孔洞，端面相对的设有若干个与纵向孔洞相交的横向凹槽；第一、第二预制混凝土墙体在节点侧端面分别伸出第一、第二薄板；在第一预制混凝土墙体内设置有延伸到第一薄板边缘处的第一水平钢筋，在第二预制混凝土墙体内设置有延伸到第二薄板边缘处的第二水平钢筋和第一暗柱箍筋；第一薄板和第二薄板围成的空间、纵向孔洞和横向凹槽内为现浇混凝土，在现浇混凝土内有第二暗柱箍筋和竖向钢筋。本发明可提高装配整体式混凝土结构的整体性，提高建筑结构的性能。
The invention discloses an L-shaped prefabricated concrete wall connection node, which belongs to the technical field of building structures. The L-shaped precast concrete wall connection node includes a first precast concrete wall and a second precast concrete wall, the precast concrete wall is provided with a longitudinal through hole near the end face on the node side, and several The transverse groove intersecting the longitudinal holes; the first and second prefabricated concrete walls protrude from the first and second thin plates on the joint side end faces respectively; the first prefabricated concrete wall is provided with a first prefabricated concrete wall extending to the edge of the first thin plate A horizontal steel bar, the second horizontal steel bar and the first concealed column stirrup extending to the edge of the second thin plate are arranged in the second prefabricated concrete wall; the space enclosed by the first thin plate and the second thin plate, the longitudinal hole and the transverse There is cast-in-place concrete in the groove, and there are second concealed column stirrups and vertical steel bars in the cast-in-place concrete. The invention can improve the integrity of the assembled monolithic concrete structure and improve the performance of the building structure.
Description
技术领域technical field
本发明属于建筑结构技术领域，涉及一种L型预制混凝土墙体连接节点。The invention belongs to the technical field of building structures and relates to an L-shaped prefabricated concrete wall connecting node.
背景技术Background technique
预制混凝土结构是适合工业化的结构形式，是住宅产业化发展的方向。预制混凝土结构中预制构件间的节点连接构造决定了结构整体性能。现有的预制混凝土结构节点一般是装配整体式混凝土结构的薄弱环节，影响受力性能，且使用阶段易于开裂。Prefabricated concrete structure is suitable for industrialization and is the development direction of housing industrialization. The joint connection structure between prefabricated components in precast concrete structures determines the overall performance of the structure. The existing prefabricated concrete structure nodes are generally the weak link of the assembled integral concrete structure, which affects the mechanical performance and is easy to crack during the use stage.
发明内容Contents of the invention
本发明解决传统预制混凝土结构中预制墙体接缝连接薄弱的不足，提供一种L型预制混凝土墙体连接节点。本发明提出的L型预制混凝土墙体连接节点可提高装配整体式混凝土结构的整体性，提高建筑结构的性能。The invention solves the problem of weak prefabricated wall joint connection in the traditional prefabricated concrete structure, and provides an L-shaped prefabricated concrete wall connection node. The L-shaped prefabricated concrete wall connection node proposed by the invention can improve the integrity of the assembled monolithic concrete structure and improve the performance of the building structure.
本发明提出的L型预制混凝土墙体连接节点，包括第一预制混凝土墙体和第二预制混凝土墙体，所述第一预制混凝土墙体和第二预制混凝土墙体在节点侧靠近端面处设有纵向贯通孔洞，第一预制混凝土墙体和第二预制混凝土墙体在节点侧端面相对的设有若干个横向凹槽，所述横向凹槽顶部伸入纵向孔洞内侧墙体，或者横向凹槽顶部与纵向孔洞相交；第一预制混凝土墙体在节点侧端面伸出第一薄板，第二预制混凝土墙体在节点侧端面伸出第二薄板，第一薄板和第二薄板连接处留有拼缝；在第一预制混凝土墙体内设置有第一水平钢筋，延伸到第一薄板边缘处；在第二预制混凝土墙体内设置有第二水平钢筋和第一暗柱箍筋，所述第二水平钢筋延伸到第二薄板边缘处；第一薄板和第二薄板围成的空间、纵向孔洞和横向凹槽内为现浇混凝土，在现浇混凝土内有第二暗柱箍筋和竖向钢筋；所述第一暗柱箍筋和第二暗柱箍筋在现浇混凝土内相交。所述纵向孔洞横截面为圆形或矩形等，所述横向凹槽的侧视图为矩形或梯形等。The L-shaped precast concrete wall connection node proposed by the present invention includes a first precast concrete wall and a second precast concrete wall, and the first precast concrete wall and the second precast concrete wall are provided near the end surface on the node side. There are longitudinal through holes, and the first precast concrete wall and the second precast concrete wall are provided with several transverse grooves on the side faces of the joints, and the tops of the transverse grooves extend into the inner walls of the longitudinal holes, or the transverse grooves The top intersects with the longitudinal hole; the first prefabricated concrete wall protrudes from the first thin plate at the node side end face, the second precast concrete wall protrudes the second thin plate from the node side end face, and a joint seam; in the first precast concrete wall, a first horizontal steel bar is set, extending to the edge of the first thin plate; in the second precast concrete wall, a second horizontal steel bar and a first hidden column stirrup are set, and the first horizontal steel bar is set in the second precast concrete wall The second horizontal reinforcement extends to the edge of the second thin plate; the space enclosed by the first thin plate and the second thin plate, the longitudinal hole and the transverse groove are cast-in-place concrete, and there are second concealed column stirrups and vertical vertical bars in the cast-in-place concrete. Reinforcing bars; the first concealed column stirrup and the second concealed column stirrup intersect in the cast-in-place concrete. The cross-section of the longitudinal hole is circular or rectangular, and the side view of the transverse groove is rectangular or trapezoidal.
本发明提出的L型预制混凝土墙体连接节点中，所述第一薄板为一字形，所述第二薄板为一字形或L形。In the L-shaped precast concrete wall connection node proposed by the present invention, the first thin plate is in-line, and the second thin plate is in-line or L-shaped.
本发明提出的L型预制混凝土墙体连接节点中，所述第一水平钢筋和第二水平钢筋分别延伸到第一薄板和第二薄板边缘处弯折，这样所述第一水平钢筋和第二水平钢筋伸出墙体外的部分为L形。In the L-shaped prefabricated concrete wall connection node proposed by the present invention, the first horizontal steel bar and the second horizontal steel bar extend to the edge of the first thin plate and the second thin plate and bend, so that the first horizontal steel bar and the second horizontal steel bar The part of the horizontal reinforcing bar extending out of the wall is L-shaped.
本发明提出的L型预制混凝土墙体连接节点中，所述第一水平钢筋和第二水平钢筋为封闭箍筋，这样所述第一水平钢筋和第二水平钢筋伸出墙体外的部分为U形。In the L-shaped prefabricated concrete wall connection node proposed by the present invention, the first horizontal steel bar and the second horizontal steel bar are closed stirrups, so that the parts of the first horizontal steel bar and the second horizontal steel bar extending out of the wall are U-shaped.
本发明提出的L型预制混凝土墙体连接节点中，所述纵向孔洞周围布置有箍筋，在横向凹槽处箍筋伸入现浇混凝土中。这样可以增加预制混凝土墙体与纵向孔洞内现浇混凝土的整体工作性能。In the L-shaped prefabricated concrete wall connection node proposed by the present invention, stirrups are arranged around the longitudinal hole, and the stirrups extend into the cast-in-place concrete at the transverse groove. This can increase the overall workability of the precast concrete walls and the cast-in-place concrete in the longitudinal holes.
本发明提出的L型预制混凝土墙体连接节点中，所述纵向孔洞内布置有纵向钢筋。In the L-shaped prefabricated concrete wall connection node proposed by the present invention, longitudinal steel bars are arranged in the longitudinal holes.
本发明提出的L型预制混凝土墙体连接节点中，所述横向凹槽顶部伸入纵向孔洞内侧墙体；或者横向凹槽顶部与纵向孔洞相交，这样部分纵向孔洞在横向凹槽顶面处的墙体中。In the L-shaped prefabricated concrete wall connection node proposed by the present invention, the top of the transverse groove extends into the inner wall of the longitudinal hole; or the top of the transverse groove intersects with the longitudinal hole, so that part of the longitudinal hole is at the top surface of the transverse groove in the wall.
本发明提出的L型预制混凝土墙体连接节点中，所述预制混凝土墙体的端面沿墙体横向方向设有连通纵向孔洞的横向孔洞。In the L-shaped prefabricated concrete wall connecting node proposed by the present invention, the end face of the precast concrete wall is provided with transverse holes connecting with longitudinal holes along the transverse direction of the wall.
本发明提出的L型预制混凝土墙体连接节点中，所述预制混凝土墙体的端面开有连通纵向孔洞的纵向槽道，所述槽道宽度优选为纵向孔洞横截面最大宽度的0.5倍。In the L-shaped precast concrete wall connection node proposed by the present invention, the end surface of the precast concrete wall is provided with a longitudinal channel connecting the longitudinal hole, and the width of the channel is preferably 0.5 times the maximum width of the longitudinal hole cross section.
本发明提出的L型预制混凝土墙体连接节点中，所述预制混凝土墙体中与现浇混凝土的结合面为粗糙面。In the L-shaped prefabricated concrete wall connecting node proposed by the present invention, the joint surface between the prefabricated concrete wall and the cast-in-place concrete is a rough surface.
本发明的技术特点和优势。Technical characteristics and advantages of the present invention.
本发明提出的L型预制混凝土墙体连接节点，其纵向孔洞内、横向凹槽内和预制墙体间的现浇混凝土连在一起；墙体伸出的水平钢筋、箍筋和现浇混凝土内的箍筋相互搭接在一起，能够保证墙体受力连续，连接可靠；纵向钢筋、箍筋和现浇混凝土形成暗柱，满足节点受力要求，更增加了墙体连接的可靠性。In the L-shaped prefabricated concrete wall connection node proposed by the present invention, the cast-in-place concrete in the longitudinal hole, the transverse groove and the prefabricated wall are connected together; The stirrups are lapped together to ensure continuous force on the wall and reliable connection; longitudinal steel bars, stirrups and cast-in-place concrete form concealed columns, which meet the force requirements of the nodes and increase the reliability of the wall connection.
附图说明Description of drawings
图1是本发明实施例的立体示意图；Fig. 1 is the three-dimensional schematic diagram of the embodiment of the present invention;
图2是本发明实施例1结构示意图；Fig. 2 is a schematic structural view of Embodiment 1 of the present invention;
图3是本发明实施例2结构示意图；Fig. 3 is a schematic structural diagram of Embodiment 2 of the present invention;
图4是本发明实施例3结构示意图；Fig. 4 is a schematic structural diagram of Embodiment 3 of the present invention;
图5是本发明实施例4结构示意图；Fig. 5 is a schematic structural view of Embodiment 4 of the present invention;
图6是本发明实施例5结构示意图；Fig. 6 is a schematic structural diagram of Embodiment 5 of the present invention;
图7是本发明实施例6结构示意图；Fig. 7 is a schematic structural diagram of Embodiment 6 of the present invention;
图8是本发明实施例7结构示意图；Fig. 8 is a schematic structural diagram of Embodiment 7 of the present invention;
图9是本发明实施例8结构示意图。Fig. 9 is a schematic structural diagram of Embodiment 8 of the present invention.
图10是本发明节点一侧的预制混凝土墙体示例1示意图。Fig. 10 is a schematic diagram of Example 1 of the prefabricated concrete wall on the node side of the present invention.
图11是本发明节点一侧的预制混凝土墙体示例2示意图。Fig. 11 is a schematic diagram of Example 2 of the prefabricated concrete wall on the node side of the present invention.
图12是本发明节点一侧的预制混凝土墙体示例3示意图。Fig. 12 is a schematic diagram of Example 3 of the prefabricated concrete wall on the node side of the present invention.
附图中主要组件标记含义为：The meanings of the main components in the drawings are:
1第一预制混凝土墙体 2第二预制混凝土墙体 3纵向贯通孔洞1 The first precast concrete wall 2 The second precast concrete wall 3 Longitudinal through holes
4第一薄板 5第二薄板 6第一水平钢筋4 The first thin plate 5 The second thin plate 6 The first horizontal reinforcement
7第二水平钢筋 8第一暗柱箍筋 9第二暗柱箍筋7 The second horizontal reinforcement 8 The first concealed column stirrup 9 The second concealed column stirrup
10竖向钢筋 11现浇混凝土 12横向凹槽10 vertical reinforcement 11 cast-in-place concrete 12 transverse groove
13纵向孔洞周围箍筋 14纵向孔洞内纵筋 15第一薄板和第二薄板间接缝13 Stirrups around the longitudinal hole 14 Longitudinal reinforcement inside the longitudinal hole 15 Joint between the first sheet and the second sheet
16纵向槽道 17横向孔洞 18预制混凝土墙体端面16 Longitudinal channels 17 Transverse holes 18 End faces of precast concrete walls
A-A截面为横向凹槽之间的截面 B-B截面为横向凹槽处的截面A-A section is the section between the transverse grooves B-B section is the section at the transverse groove
具体实施方式Detailed ways
如图1所示的实施例的立体示意图中，L型预制混凝土墙体连接节点包括第一预制混凝土墙体1和第二预制混凝土墙体2，所述第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧靠近端面处设有纵向贯通孔洞3，第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧端面相对的设有若干个横向凹槽12，横向凹槽的侧视图为矩形，横向凹槽12与纵向孔洞3相交；第一预制混凝土墙体1在节点侧端面伸出第一薄板4，第二预制混凝土墙体2在节点侧端面伸出第二薄板5，第一薄板和第二薄板连接处留有拼缝，拼缝宽度优选为15mm；在第一预制混凝土墙体内1设置有第一水平钢筋，延伸到第一薄板边缘处；在第二预制混凝土墙体内设置有第二水平钢筋和第一暗柱箍筋8，所述第二水平钢筋延伸到第二薄板边缘处；第一薄板和第二薄板围成的空间、纵向孔洞和横向凹槽内为现浇混凝土(图中未示出)，在现浇混凝土内有第二暗柱箍筋9和竖向钢筋10；所述第一暗柱箍筋8和第二暗柱箍筋9在现浇混凝土内相交。水平钢筋、暗柱箍筋的间距、直径等根据受力要求确定。In the three-dimensional schematic diagram of the embodiment shown in Figure 1, the L-shaped precast concrete wall connection node includes a first precast concrete wall 1 and a second precast concrete wall 2, and the first precast concrete wall 1 and the second precast concrete wall The precast concrete wall 2 is provided with a longitudinal through hole 3 near the end surface of the node side, and the first precast concrete wall 1 and the second precast concrete wall 2 are provided with several transverse grooves 12 opposite to the end surface of the node side. The side view of the groove is rectangular, and the transverse groove 12 intersects with the longitudinal hole 3; the first precast concrete wall 1 protrudes from the first thin plate 4 at the node side end face, and the second precast concrete wall 2 protrudes from the second node side end face. Thin plate 5, the joint between the first thin plate and the second thin plate is left with a joint, and the width of the joint is preferably 15mm; the first horizontal steel bar is arranged in the first prefabricated concrete wall body 1, extending to the edge of the first thin plate; The second horizontal steel bar and the first hidden column stirrup 8 are arranged in the two prefabricated concrete walls, and the second horizontal steel bar extends to the edge of the second thin plate; the space surrounded by the first thin plate and the second thin plate, the longitudinal hole and Cast-in-place concrete (not shown) is in the transverse groove, and there are second concealed column stirrups 9 and vertical steel bars 10 in the cast-in-place concrete; the first concealed column stirrups 8 and the second concealed column stirrups The tendons 9 intersect within the cast-in-place concrete. The spacing and diameter of horizontal steel bars and concealed column stirrups are determined according to the force requirements.
如图2所示的实施例中，L型预制混凝土墙体连接节点包括第一预制混凝土墙体1和第二预制混凝土墙体2，所述第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧靠近端面处设有纵向贯通孔洞3，第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧端面相对的设有若干个横向凹槽12，横向凹槽12与纵向孔洞3相交；第一预制混凝土墙体1在节点侧端面伸出一字型第一薄板4，第二预制混凝土墙体2在节点侧端面伸出L型第二薄板5，第一薄板和第二薄板连接处留有拼缝15；在第一预制混凝土墙体内1设置有第一水平钢筋7，第一水平钢筋为封闭箍筋，延伸到第一薄板边缘处；在第二预制混凝土墙体内设置有第二水平钢筋6和第一暗柱箍筋8，所述第二水平钢筋为封闭箍筋，延伸到第二薄板边缘处；第一薄板和第二薄板围成的空间、纵向孔洞3和横向凹槽12内为现浇混凝土11，在现浇混凝土内有第二暗柱箍筋9和竖向钢筋10；所述第一暗柱箍筋8和第二暗柱箍筋9在现浇混凝土内相交。In the embodiment shown in Figure 2, the L-shaped precast concrete wall connection node includes a first precast concrete wall 1 and a second precast concrete wall 2, and the first precast concrete wall 1 and the second precast concrete wall The body 2 is provided with a longitudinal through hole 3 near the end face on the node side, and the first precast concrete wall body 1 and the second precast concrete wall body 2 are provided with several transverse grooves 12 opposite to the node side end face, and the transverse grooves 12 and The longitudinal holes 3 intersect; the first prefabricated concrete wall 1 protrudes a straight first thin plate 4 from the node side end face, and the second prefabricated concrete wall 2 protrudes an L-shaped second thin plate 5 from the node side end face, the first thin plate and Joints 15 are left at the joints of the second thin plates; a first horizontal steel bar 7 is arranged in the first precast concrete wall body 1, and the first horizontal steel bar is a closed stirrup extending to the edge of the first thin plate; A second horizontal steel bar 6 and a first hidden column stirrup 8 are arranged in the wall, and the second horizontal steel bar is a closed stirrup extending to the edge of the second thin plate; the space surrounded by the first thin plate and the second thin plate, Inside the longitudinal hole 3 and the transverse groove 12 is cast-in-place concrete 11, and in the cast-in-place concrete there are second concealed column stirrups 9 and vertical steel bars 10; the first concealed column stirrups 8 and the second concealed column stirrups 9 intersect in cast-in-place concrete.
如图3所示的实施例中，L型预制混凝土墙体连接节点包括第一预制混凝土墙体1和第二预制混凝土墙体2，所述第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧靠近端面处设有纵向贯通孔洞3，第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧端面相对的设有若干个横向凹槽12，横向凹槽12与纵向孔洞3相交；第一预制混凝土墙体1在节点侧端面伸出一字型第一薄板4，第二预制混凝土墙体2在节点侧端面伸出L型第二薄板5，第一薄板和第二薄板连接处留有拼缝15；在第一预制混凝土墙体内1设置有第一水平钢筋7，第一水平钢筋延伸到第一薄板边缘处弯折形成L型；在第二预制混凝土墙体内设置有第二水平钢筋6和第一暗柱箍筋8，所述第二水平钢筋延伸到第二薄板边缘处弯折形成L型；第一薄板和第二薄板围成的空间、纵向孔洞3和横向凹槽12内为现浇混凝土11，在现浇混凝土内有第二暗柱箍筋9和竖向钢筋10；所述第一暗柱箍筋8和第二暗柱箍筋9在现浇混凝土内相交。In the embodiment shown in Figure 3, the L-shaped precast concrete wall connection node includes a first precast concrete wall 1 and a second precast concrete wall 2, and the first precast concrete wall 1 and the second precast concrete wall The body 2 is provided with a longitudinal through hole 3 near the end face on the node side, and the first precast concrete wall body 1 and the second precast concrete wall body 2 are provided with several transverse grooves 12 opposite to the node side end face, and the transverse grooves 12 and The longitudinal holes 3 intersect; the first prefabricated concrete wall 1 protrudes a straight first thin plate 4 from the node side end face, and the second prefabricated concrete wall 2 protrudes an L-shaped second thin plate 5 from the node side end face, the first thin plate and There is a seam 15 at the joint of the second thin plate; a first horizontal steel bar 7 is arranged in the first precast concrete wall body 1, and the first horizontal steel bar extends to the edge of the first thin plate and is bent to form an L shape; A second horizontal steel bar 6 and a first concealed column stirrup 8 are arranged in the wall, and the second horizontal steel bar is extended to the edge of the second thin plate and bent to form an L shape; the space enclosed by the first thin plate and the second thin plate, Inside the longitudinal hole 3 and the transverse groove 12 is cast-in-place concrete 11, and in the cast-in-place concrete there are second concealed column stirrups 9 and vertical steel bars 10; the first concealed column stirrups 8 and the second concealed column stirrups 9 intersect in cast-in-place concrete.
如图4所示的实施例中，L型预制混凝土墙体连接节点包括第一预制混凝土墙体1和第二预制混凝土墙体2，所述第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧靠近端面处设有纵向贯通孔洞3，第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧端面相对的设有若干个横向凹槽12，横向凹槽12与纵向孔洞3相交；第一预制混凝土墙体1在节点侧端面伸出一字型第一薄板4，第二预制混凝土墙体2在节点侧端面伸出L型第二薄板5，第一薄板和第二薄板连接处留有拼缝15；在第一预制混凝土墙体内1设置有第一水平钢筋7，第一水平钢筋延伸到第一薄板边缘处；在第二预制混凝土墙体内设置有第二水平钢筋6和第一暗柱箍筋8，所述第二水平钢筋延伸到第二薄板边缘处；在纵向贯通孔洞3周围设置封闭箍筋13；第一薄板和第二薄板围成的空间、纵向孔洞3和横向凹槽12内为现浇混凝土11，在现浇混凝土内有第二暗柱箍筋9和竖向钢筋10；所述第一暗柱箍筋8和第二暗柱箍筋9在现浇混凝土内相交。In the embodiment shown in Figure 4, the L-shaped precast concrete wall connection node includes a first precast concrete wall 1 and a second precast concrete wall 2, and the first precast concrete wall 1 and the second precast concrete wall The body 2 is provided with a longitudinal through hole 3 near the end face on the node side, and the first precast concrete wall body 1 and the second precast concrete wall body 2 are provided with several transverse grooves 12 opposite to the node side end face, and the transverse grooves 12 and The longitudinal holes 3 intersect; the first prefabricated concrete wall 1 protrudes a straight first thin plate 4 from the node side end face, and the second prefabricated concrete wall 2 protrudes an L-shaped second thin plate 5 from the node side end face, the first thin plate and Joints 15 are left at the joints of the second thin plates; a first horizontal steel bar 7 is arranged in the first prefabricated concrete wall body 1, and the first horizontal steel bar extends to the edge of the first thin plate; The second horizontal reinforcing bar 6 and the first concealed column stirrup 8, the second horizontal reinforcing bar extends to the edge of the second thin plate; the closed stirrup 13 is arranged around the longitudinal through hole 3; the first thin plate and the second thin plate surround The space, the longitudinal hole 3 and the transverse groove 12 are cast-in-place concrete 11, and there are second concealed column stirrups 9 and vertical steel bars 10 in the cast-in-place concrete; the first concealed column stirrup 8 and the second concealed column The stirrups 9 intersect within the cast-in-place concrete.
如图5所示的实施例中，L型预制混凝土墙体连接节点包括第一预制混凝土墙体1和第二预制混凝土墙体2，所述第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧靠近端面处设有纵向贯通孔洞3，第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧端面相对的设有若干个横向凹槽12，横向凹槽12与纵向孔洞3相交；第一预制混凝土墙体1在节点侧端面伸出一字型第一薄板4，第二预制混凝土墙体2在节点侧端面伸出L型第二薄板5，第一薄板和第二薄板连接处留有拼缝15；在第一预制混凝土墙体内1设置有第一水平钢筋7，第一水平钢筋延伸到第一薄板边缘处；在第二预制混凝土墙体内设置有第二水平钢筋6和第一暗柱箍筋8，所述第二水平钢筋延伸到第二薄板边缘处；在纵向贯通孔洞3周围设置封闭箍筋13，在纵向孔洞3内设置纵向钢筋14；第一薄板和第二薄板围成的空间、纵向孔洞3和横向凹槽12内为现浇混凝土11，在现浇混凝土内有第二暗柱箍筋9和竖向钢筋10；所述第一暗柱箍筋8和第二暗柱箍筋9在现浇混凝土内相交。In the embodiment shown in Figure 5, the L-shaped precast concrete wall connection node includes a first precast concrete wall 1 and a second precast concrete wall 2, and the first precast concrete wall 1 and the second precast concrete wall The body 2 is provided with a longitudinal through hole 3 near the end face on the node side, and the first precast concrete wall body 1 and the second precast concrete wall body 2 are provided with several transverse grooves 12 opposite to the node side end face, and the transverse grooves 12 and The longitudinal holes 3 intersect; the first prefabricated concrete wall 1 protrudes a straight first thin plate 4 from the node side end face, and the second prefabricated concrete wall 2 protrudes an L-shaped second thin plate 5 from the node side end face, the first thin plate and Joints 15 are left at the joints of the second thin plates; a first horizontal steel bar 7 is arranged in the first prefabricated concrete wall body 1, and the first horizontal steel bar extends to the edge of the first thin plate; The second horizontal reinforcing bar 6 and the first hidden column stirrup 8, the second horizontal reinforcing bar extends to the edge of the second thin plate; a closed stirrup 13 is arranged around the longitudinal through hole 3, and a longitudinal reinforcing bar 14 is arranged in the longitudinal hole 3; The space enclosed by the first thin plate and the second thin plate, the longitudinal hole 3 and the transverse groove 12 are cast-in-place concrete 11, and there are second concealed column stirrups 9 and vertical steel bars 10 in the cast-in-place concrete; The hidden column stirrup 8 and the second hidden column stirrup 9 intersect in the cast-in-place concrete.
如图6所示的实施例中，L型预制混凝土墙体连接节点包括第一预制混凝土墙体1和第二预制混凝土墙体2，所述第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧靠近端面处设有纵向贯通孔洞3，第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧端面相对的设有若干个横向凹槽12，横向凹槽12顶部伸入纵向孔洞3内侧墙体；第一预制混凝土墙体1在节点侧端面伸出一字型第一薄板4，第二预制混凝土墙体2在节点侧端面伸出L型第二薄板5，第一薄板和第二薄板连接处留有拼缝15；在第一预制混凝土墙体内1设置有第一水平钢筋7，第一水平钢筋延伸到第一薄板边缘处；在第二预制混凝土墙体内设置有第二水平钢筋6和第一暗柱箍筋8，所述第二水平钢筋延伸到第二薄板边缘处；第一薄板和第二薄板围成的空间、纵向孔洞3和横向凹槽12内为现浇混凝土11，在现浇混凝土内有第二暗柱箍筋9和竖向钢筋10；所述第一暗柱箍筋8和第二暗柱箍筋9在现浇混凝土内相交。In the embodiment shown in Figure 6, the L-shaped precast concrete wall connection node includes a first precast concrete wall 1 and a second precast concrete wall 2, and the first precast concrete wall 1 and the second precast concrete wall The body 2 is provided with a longitudinal through hole 3 near the end surface of the node side, and the first precast concrete wall body 1 and the second precast concrete wall body 2 are provided with several transverse grooves 12 opposite to the end surface of the node side, and the tops of the transverse grooves 12 are Stretch into the inner wall of the longitudinal hole 3; the first precast concrete wall 1 protrudes a straight first thin plate 4 from the node side end face, and the second precast concrete wall 2 protrudes an L-shaped second thin plate 5 from the node side end face, A seam 15 is left at the joint between the first thin plate and the second thin plate; a first horizontal steel bar 7 is arranged in the first precast concrete wall body 1, and the first horizontal steel bar extends to the edge of the first thin plate; in the second precast concrete wall The second horizontal steel bar 6 and the first hidden column stirrup 8 are arranged in the body, and the second horizontal steel bar extends to the edge of the second thin plate; the space surrounded by the first thin plate and the second thin plate, the longitudinal hole 3 and the transverse concave Inside the groove 12 is cast-in-place concrete 11, and there are second concealed column stirrups 9 and vertical steel bars 10 in the cast-in-situ concrete; intersect.
如图7所示的实施例中，L型预制混凝土墙体连接节点包括第一预制混凝土墙体1和第二预制混凝土墙体2，所述第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧靠近端面处设有纵向贯通孔洞3，第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧端面相对的设有若干个横向凹槽12，横向凹槽12与纵向孔洞3相交；第一预制混凝土墙体1在节点侧端面伸出一字型第一薄板4，第二预制混凝土墙体2在节点侧端面伸出一字型第二薄板5，第一薄板和第二薄板连接处留有拼缝15；在第一预制混凝土墙体内1设置有第一水平钢筋7，第一水平钢筋延伸到第一薄板边缘处；在第二预制混凝土墙体内设置有第二水平钢筋6和第一暗柱箍筋8，所述第二水平钢筋延伸到第二薄板边缘处；第一薄板和第二薄板围成的空间、纵向孔洞3和横向凹槽12内为现浇混凝土11，在现浇混凝土内有第二暗柱箍筋9和竖向钢筋10；所述第一暗柱箍筋8和第二暗柱箍筋9在现浇混凝土内相交。In the embodiment shown in Figure 7, the L-shaped precast concrete wall connection node includes a first precast concrete wall 1 and a second precast concrete wall 2, and the first precast concrete wall 1 and the second precast concrete wall The body 2 is provided with a longitudinal through hole 3 near the end face on the node side, and the first precast concrete wall body 1 and the second precast concrete wall body 2 are provided with several transverse grooves 12 opposite to the node side end face, and the transverse grooves 12 and The longitudinal holes 3 intersect; the first precast concrete wall 1 protrudes from the side end face of the node with a straight first thin plate 4, and the second precast concrete wall 2 protrudes from the side end face of the joint with a straight second thin plate 5, and the first thin plate There is a seam 15 at the joint with the second thin plate; a first horizontal steel bar 7 is arranged in the first precast concrete wall body 1, and the first horizontal steel bar extends to the edge of the first thin plate; There are second horizontal steel bars 6 and first concealed column stirrups 8, and the second horizontal steel bars extend to the edge of the second thin plate; the space enclosed by the first thin plate and the second thin plate, the longitudinal hole 3 and the transverse groove 12 The cast-in-place concrete 11 has a second concealed column stirrup 9 and a vertical steel bar 10 in the cast-in-place concrete; the first concealed column stirrup 8 and the second concealed column stirrup 9 intersect in the cast-in-place concrete.
如图8所示的实施例中，L型预制混凝土墙体连接节点包括第一预制混凝土墙体1和第二预制混凝土墙体2，所述第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧靠近端面处设有纵向贯通孔洞3，第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧端面相对的设有若干个横向凹槽12，横向凹槽12与纵向孔洞3相交；第一预制混凝土墙体1在节点侧端面伸出一字型第一薄板4，第二预制混凝土墙体2在节点侧端面伸出L型第二薄板5，第一薄板和第二薄板连接处留有拼缝15；预制混凝土墙体的端面开有连通纵向孔洞的纵向槽道16，所述纵向槽道16宽度优选为纵向孔洞横截面最大宽度的0.5倍；在第一预制混凝土墙体内1设置有第一水平钢筋7，第一水平钢筋延伸到第一薄板边缘处；在第二预制混凝土墙体内设置有第二水平钢筋6和第一暗柱箍筋8，所述第二水平钢筋延伸到第二薄板边缘处；第一薄板和第二薄板围成的空间、纵向孔洞3、纵向槽道16和横向凹槽12内为现浇混凝土11，在现浇混凝土内有第二暗柱箍筋9和竖向钢筋10；所述第一暗柱箍筋8和第二暗柱箍筋9在现浇混凝土内相交。In the embodiment shown in Figure 8, the L-shaped precast concrete wall connection node includes a first precast concrete wall 1 and a second precast concrete wall 2, and the first precast concrete wall 1 and the second precast concrete wall The body 2 is provided with a longitudinal through hole 3 near the end face on the node side, and the first precast concrete wall body 1 and the second precast concrete wall body 2 are provided with several transverse grooves 12 opposite to the node side end face, and the transverse grooves 12 and The longitudinal holes 3 intersect; the first prefabricated concrete wall 1 protrudes a straight first thin plate 4 from the node side end face, and the second prefabricated concrete wall 2 protrudes an L-shaped second thin plate 5 from the node side end face, the first thin plate and Joints 15 are left at the joints of the second thin plates; the end face of the prefabricated concrete wall has a longitudinal channel 16 connected to the longitudinal hole, and the width of the longitudinal channel 16 is preferably 0.5 times the maximum width of the longitudinal hole cross section; The precast concrete wall 1 is provided with a first horizontal steel bar 7, and the first horizontal steel bar extends to the edge of the first thin plate; the second precast concrete wall is provided with a second horizontal steel bar 6 and a first concealed column stirrup 8, The second horizontal reinforcing bar extends to the edge of the second thin plate; the space surrounded by the first thin plate and the second thin plate, the longitudinal hole 3, the longitudinal channel 16 and the transverse groove 12 are cast-in-place concrete 11, and the cast-in-place concrete There are second concealed column stirrups 9 and vertical steel bars 10 inside; the first concealed column stirrups 8 and the second concealed column stirrups 9 intersect in the cast-in-situ concrete.
如图9所示的实施例中，L型预制混凝土墙体连接节点包括第一预制混凝土墙体1和第二预制混凝土墙体2，所述第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧靠近端面处设有纵向贯通孔洞3，第一预制混凝土墙体1和第二预制混凝土墙体2在节点侧端面相对的设有若干个横向凹槽12，横向凹槽12与纵向孔洞3相交；第一预制混凝土墙体1在节点侧端面伸出一字型第一薄板4，第二预制混凝土墙体2在节点侧端面伸出L型第二薄板5，第一薄板和第二薄板连接处留有拼缝15；预制混凝土墙体的端面设有连通纵向孔洞的沿墙体横向方向的孔洞17；在第一预制混凝土墙体内1设置有第一水平钢筋7，第一水平钢筋延伸到第一薄板边缘处；在第二预制混凝土墙体内设置有第二水平钢筋6和第一暗柱箍筋8，所述第二水平钢筋延伸到第二薄板边缘处；第一薄板和第二薄板围成的空间、纵向孔洞3、横向孔洞17和横向凹槽12内为现浇混凝土11，在现浇混凝土内有第二暗柱箍筋9和竖向钢筋10；所述第一暗柱箍筋8和第二暗柱箍筋9在现浇混凝土内相交。In the embodiment shown in Figure 9, the L-shaped precast concrete wall connection node includes a first precast concrete wall 1 and a second precast concrete wall 2, and the first precast concrete wall 1 and the second precast concrete wall The body 2 is provided with a longitudinal through hole 3 near the end face on the node side, and the first precast concrete wall body 1 and the second precast concrete wall body 2 are provided with several transverse grooves 12 opposite to the node side end face, and the transverse grooves 12 and The longitudinal holes 3 intersect; the first prefabricated concrete wall 1 protrudes a straight first thin plate 4 from the node side end face, and the second prefabricated concrete wall 2 protrudes an L-shaped second thin plate 5 from the node side end face, the first thin plate and Joints 15 are left at the connection of the second thin plate; the end face of the precast concrete wall is provided with holes 17 along the transverse direction of the wall connecting the longitudinal holes; the first horizontal steel bar 7 is arranged in the first precast concrete wall 1, and the second A horizontal steel bar extends to the edge of the first thin plate; a second horizontal steel bar 6 and a first concealed column stirrup 8 are arranged in the second prefabricated concrete wall, and the second horizontal steel bar extends to the edge of the second thin plate; the second horizontal steel bar extends to the edge of the second thin plate; The space surrounded by the first thin plate and the second thin plate, the longitudinal hole 3, the transverse hole 17 and the transverse groove 12 are cast-in-place concrete 11, and there are second concealed column stirrups 9 and vertical steel bars 10 in the cast-in-place concrete; The first concealed column stirrup 8 and the second concealed column stirrup 9 intersect in the cast-in-place concrete.
如图10为预制混凝土墙体节点侧端面伸出一字型薄板的示意图；所述预制混凝土墙体在节点侧靠近端面18处设有纵向贯通孔洞3，在节点侧端面18相对的设有若干个横向凹槽12，横向凹槽12顶部伸入纵向孔洞3内侧墙体；横向凹槽的侧视图为矩形。Figure 10 is a schematic diagram of a prefabricated concrete wall protruding from an in-line thin plate at the node side end face; the prefabricated concrete wall is provided with a longitudinal through hole 3 near the end face 18 on the node side, and several holes are provided on the node side end face 18 A transverse groove 12, the top of the transverse groove 12 stretches into the wall inside the longitudinal hole 3; the side view of the transverse groove is a rectangle.
如图11为预制混凝土墙体节点侧端面伸出L型薄板的示意图；所述预制混凝土墙体在节点侧靠近端面18处设有纵向贯通孔洞3，在节点侧端面18相对的设有若干个横向凹槽12，横向凹槽12顶部伸入纵向孔洞3内侧墙体；横向凹槽的侧视图为梯形。Figure 11 is a schematic diagram of a prefabricated concrete wall protruding from the L-shaped thin plate at the node side end surface; the prefabricated concrete wall is provided with a longitudinal through hole 3 near the end surface 18 on the node side, and several holes are provided opposite to the node side end surface 18 The transverse groove 12, the top of the transverse groove 12 extends into the inner wall of the longitudinal hole 3; the side view of the transverse groove is trapezoidal.
如图12为预制混凝土墙体节点侧端面开有纵向槽道的示意图；所述预制混凝土墙体在节点侧靠近端面18处设有纵向贯通孔洞3，在节点侧端面18相对的设有若干个横向凹槽12，横向凹槽12与纵向孔洞3相交；预制混凝土墙体的端面18开有连通纵向孔洞3的纵向槽道16，所述纵向槽道16宽度优选为纵向孔洞横截面最大宽度的0.5倍。Figure 12 is a schematic diagram of a precast concrete wall node side end face with a longitudinal channel; the precast concrete wall is provided with a longitudinal through hole 3 near the end face 18 on the node side, and a number of holes are provided on the node side end face 18. The transverse groove 12 intersects the longitudinal hole 3; the end face 18 of the prefabricated concrete wall is provided with a longitudinal channel 16 connected to the longitudinal hole 3, and the width of the longitudinal channel 16 is preferably 100% of the maximum width of the longitudinal hole cross section. 0.5 times.
本发明由上述相关实施例加以描述，然而上述实施例仅为实施本发明的范例，并未限制本发明的范围。凡是包含于申请专利范围的精神及修改及均等设置均包含于本发明范围内。The present invention is described by the above-mentioned related embodiments, but the above-mentioned embodiments are only examples for implementing the present invention, and do not limit the scope of the present invention. All spirits, modifications and equivalent arrangements included in the scope of the patent application are included in the scope of the present invention.
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| CN103835402A (en) * | 2012-11-23 | 2014-06-04 | 初明进 | L-shaped prefabricated concrete wall connection joint |
| CN103806539B (en) * | 2014-03-12 | 2015-12-30 | 初明进 | A kind of method of attachment of precast rc slab |
| CN105133727A (en) * | 2015-09-02 | 2015-12-09 | 宋士儒 | Fabricated building and construction process thereof |
| CN105937277A (en) * | 2016-06-21 | 2016-09-14 | 华东建筑设计研究院有限公司 | Connection Structure of L-shaped Shear Wall Edge Members |
| CN110761398A (en) * | 2016-07-29 | 2020-02-07 | 刘祥锦 | Horizontal seam connected node of prefabricated structure wallboard unit of assembled |
| CN106245753A (en) * | 2016-07-29 | 2016-12-21 | 刘祥锦 | A kind of armored concrete linked system of prefabricated structural wall board |
| CN106245816B (en) * | 2016-09-30 | 2018-12-04 | 南京秋水伊人新材料有限公司 | A kind of column section component and the house corner portion fast-assembling method based on the component |
| CN107366370A (en) * | 2017-08-29 | 2017-11-21 | 承德绿建建筑节能科技有限公司 | Exempt from formwork overlapping wall and its attachment structure |
| CN113931348B (en) * | 2021-09-13 | 2023-10-24 | 北京建筑大学 | L-shaped precast concrete assembly and building structure |
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