CN111663644A - Equal cast-in-place wallboard connecting structure and preparation method thereof - Google Patents
Equal cast-in-place wallboard connecting structure and preparation method thereof Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title description 3
- 239000004567 concrete Substances 0.000 claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 238000011065 in-situ storage Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 6
- 238000009415 formwork Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000011178 precast concrete Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009417 prefabrication Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000003712 anti-aging effect Effects 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 108010068370 Glutens Proteins 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 235000021312 gluten Nutrition 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
- E04B1/043—Connections specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2103/00—Material constitution of slabs, sheets or the like
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2103/00—Material constitution of slabs, sheets or the like
- E04B2103/02—Material constitution of slabs, sheets or the like of ceramics, concrete or other stone-like material
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Abstract
一种等同现浇的墙板连接结构，包括上墙板和下墙板，在上墙板和下墙板之间设有预留现浇段，上墙板底端伸出有上墙板底部套箍，下墙板顶部伸出有下墙板顶部套箍，上墙板底部套箍和下墙板顶部套箍在预留现浇段内搭接，并在预留现浇段内浇筑混凝土成型固定。本发明施工操作简便容易，抗老化、无松动、抗剪切能力强，既具有装配式建筑的高效、节能、环保突出优势，其结构强度能够达到和等同现浇结构强度。
An equivalent cast-in-place wall panel connection structure includes an upper wall panel and a lower wall panel, a reserved cast-in-place section is arranged between the upper wall panel and the lower wall panel, and the bottom end of the upper wall panel protrudes from the bottom of the upper wall panel The ferrule, the top ferrule of the lower wall panel protrudes from the top of the lower wall panel, the bottom ferrule of the upper wall panel and the top ferrule of the lower wall panel are overlapped in the reserved cast-in-place section, and concrete is poured in the reserved cast-in-place section Formed and fixed. The invention has the advantages of simple and easy construction operation, anti-aging, no loosening and strong shearing resistance, and has the outstanding advantages of high efficiency, energy saving and environmental protection of prefabricated buildings, and its structural strength can reach and equal to that of cast-in-place structural strength.
Description
技术领域：Technical field:
本发明属于装配式建筑技术领域，具体涉及一种等同现浇的墙板连接结构及其制备方法。The invention belongs to the technical field of prefabricated buildings, and particularly relates to a wall panel connection structure equivalent to cast-in-place and a preparation method thereof.
背景技术：Background technique:
现有装配式建筑的墙板连接结构，都是上墙板底部与下墙板顶部连接，上墙板底部预埋有与上墙板自身竖向钢筋连接的灌浆套筒或机械套筒，下墙板的竖向钢筋伸出下墙板顶端与上墙板底部的灌浆套筒或机构套筒连接。这种连接结构的下墙板顶部伸出的竖向钢筋与上墙板底部的灌浆套筒或机械套筒连接相当困难，施工难度大，而且上墙板底部直接与下墙板顶部仅有竖向钢筋连接，结构强度差，而且抗剪切能力弱，随着灌浆的老化或机械螺纹的松动，其连接结构可靠性差，影响建筑质量和使用寿命。The wall panel connection structure of the existing prefabricated building is that the bottom of the upper wall panel is connected to the top of the lower wall panel. The vertical steel bars of the wall panel extend out of the top of the lower wall panel and are connected with the grouting sleeve or the mechanism sleeve at the bottom of the upper wall panel. In this connection structure, it is quite difficult to connect the vertical steel bars protruding from the top of the lower wall panel with the grouting sleeve or mechanical sleeve at the bottom of the upper wall panel, and the construction is difficult, and the bottom of the upper wall panel is directly connected to the top of the lower wall panel. The connection to the steel bar has poor structural strength and weak shear resistance. With the aging of the grouting or the loosening of the mechanical thread, the reliability of the connection structure is poor, which affects the building quality and service life.
发明内容：Invention content:
本发明所要解决的技术问题是：解决上述现有技术存在的问题，而提供一种等同现浇的墙板连接结构及其制备方法，使施工操作简便容易，避免老化松动抗剪切能力强，结构强度能够达到和等同现浇结构的强度。The technical problem to be solved by the present invention is: to solve the problems existing in the above-mentioned prior art, and to provide a wallboard connection structure equivalent to cast-in-place and a preparation method thereof, so that the construction operation is simple and easy, and the ability to avoid aging and loosening is strong, and the shear resistance is strong. The structural strength can reach and equal the strength of the cast-in-place structure.
本发明采用的技术方案是：The technical scheme adopted in the present invention is:
一种等同现浇的墙板连接结构，包括上墙板和下墙板，在上墙板和下墙板之间设有预留现浇段，上墙板底端伸出有上墙板底部套箍，下墙板顶部伸出有下墙板顶部套箍，上墙板底部套箍和下墙板顶部套箍在预留现浇段内搭接，并在预留现浇段内浇筑混凝土成型固定。An equivalent cast-in-place wall panel connection structure includes an upper wall panel and a lower wall panel, a reserved cast-in-place section is arranged between the upper wall panel and the lower wall panel, and the bottom end of the upper wall panel protrudes from the bottom of the upper wall panel The ferrule, the top ferrule of the lower wall panel protrudes from the top of the lower wall panel, the bottom ferrule of the upper wall panel and the top ferrule of the lower wall panel are overlapped in the reserved cast-in-place section, and concrete is poured in the reserved cast-in-place section Formed and fixed.
上述技术方案中，所述上墙板底部套箍和下墙板顶部套箍在预留现浇段内搭接的内侧布有多根水平贯通加强筋。In the above technical solution, a plurality of horizontal through reinforcing ribs are arranged on the inner side where the bottom hoop of the upper wall panel and the top hoop of the lower wall panel are overlapped in the reserved cast-in-place section.
上述技术方案中，所述的上墙板和下墙板都包括混凝土预制外层、混凝土预制内层和位于混凝土预制外层与混凝土预制内层之间的混凝土现浇中间层。In the above technical solution, both the upper wall panel and the lower wall panel include a concrete prefabricated outer layer, a concrete prefabricated inner layer, and a concrete cast-in-place intermediate layer located between the concrete prefabricated outer layer and the concrete prefabricated inner layer.
上述技术方案中，所述上墙板底部套箍为上墙板混凝土预制外层内的竖向分布钢筋和上墙板混凝土预制内层内的竖向分布钢筋伸出上墙板底端的弯折回转闭环结构；所述下墙板顶部套箍为下墙板混凝土预制外层内的竖向分布钢筋和下墙板混凝土预制内层内的竖向分布钢筋伸出下墙板顶端的弯折回转闭环结构。In the above technical scheme, the hoop at the bottom of the upper wall panel is the bending of the vertically distributed steel bars in the prefabricated outer layer of the upper wall panel concrete and the vertically distributed steel bars in the prefabricated inner layer of the upper wall panel protruding from the bottom end of the upper wall panel. Rotation closed-loop structure; the top hoop of the lower wall panel is the bending and turning of the vertically distributed steel bars in the concrete prefabricated outer layer of the lower wall panel and the vertically distributed steel bars in the concrete prefabricated inner layer of the lower wall panel protruding from the top of the lower wall panel closed loop structure.
上述技术方案中，所述上墙板底部套箍两端分别与上墙板混凝土预制外层内的竖向分布钢筋和上墙板混凝土预制内层内的竖向分布钢筋固定连接；所述下墙板顶部套箍两端分别与下墙板混凝土预制外层内的竖向分布钢筋和下墙板混凝土预制内层内的竖向分布钢筋固定连接。In the above technical scheme, the two ends of the hoop at the bottom of the upper wall panel are respectively fixedly connected with the vertically distributed steel bars in the prefabricated outer layer of the upper wall panel and the vertically distributed steel bars in the prefabricated inner layer of the upper wall panel; The two ends of the hoop on the top of the wall panel are respectively fixedly connected with the vertically distributed steel bars in the concrete prefabricated outer layer of the lower wall panel and the vertically distributed steel bars in the concrete prefabricated inner layer of the lower wall panel.
上述技术方案中，所述的预留现浇段的两侧设置有预留现浇段外侧模板。In the above technical solution, the outer formwork of the reserved cast-in-situ section is provided on both sides of the reserved cast-in-situ section.
上述技术方案中，所述上墙板与下墙板之间还搭接有叠合楼板的端头，所述叠合楼板包括叠合楼板预制层和叠合楼板现浇层，所述预留现浇段与叠合楼板现浇层一起整体浇筑混凝土成型固定。In the above technical solution, the upper wall panel and the lower wall panel are also overlapped with the ends of the stacked floor slabs, and the stacked floor slabs include the stacked floor slab prefabricated layer and the stacked floor slab cast-in-place layer. The cast-in-situ section and the cast-in-place layer of the superimposed floor slab are integrally poured with concrete to form and fix.
上述技术方案中，所述上墙板底板套箍和下墙板顶部套箍的高度为1.2LaE，其中LaE为根据墙板布筋直径、混凝土等级和抗震等级所确定的抗震锚固长度。特点与效果：In the above technical solution, the height of the bottom hoop of the upper wall panel and the top hoop of the lower wall panel is 1.2 LaE, where LaE is the seismic anchorage length determined according to the diameter of the wall panel reinforcement, the concrete grade and the seismic grade. Features and Effects:
在建筑行业，人们都知道传统建筑施工的现场现浇混凝土结构，其结构强度高，但存在着施工效率低、原材料浪费、环境污染严重等诸多缺陷，而装配式则具有效率高、原材料节约、环保性能好等明显优势，但装配式建筑的结构强度应达到或等同于现浇结构，才能实现建筑技术的优质、高效、环保。本发明的墙板连接结构为此特别设有预留现浇段，在预留现浇段内将上墙板底部伸出的套箍与下墙板顶部伸出的套箍进行搭接，并在预留现浇段两侧支模，最后浇筑混凝土固化成型，因此，本发明的墙板连接结构的结构强度高，达到和等同于传统现浇的结构强度，彻底改变了现有装配式建筑墙板连接节点的上墙板底部预埋套筒下墙板顶部伸出竖向分布钢筋进行连接的结构，从而克服了这种灌浆套筒或机械套筒与竖向分布钢筋连接结构操作困难、施工难度大、抗剪切能力差、灌浆料易老化、螺纹易松动、可靠性差、结构强度低的缺陷。本发明针对现有技术的不足而提出的这种新的技术方案，有效地解决了装配式建筑的技术难题，实现了结构强度高，抗剪切能力强，可靠性好。In the construction industry, people all know that the on-site cast-in-place concrete structure of traditional building construction has high structural strength, but there are many defects such as low construction efficiency, waste of raw materials, and serious environmental pollution. There are obvious advantages such as good environmental protection performance, but the structural strength of prefabricated buildings should be equal to or equal to the cast-in-place structure, in order to achieve high quality, high efficiency and environmental protection of building technology. The wall panel connection structure of the present invention is specially provided with a reserved cast-in-place section, and in the reserved cast-in-place section, the ferrule protruding from the bottom of the upper wall panel and the ferrule protruding from the top of the lower wall panel are overlapped, and The formwork is supported on both sides of the reserved cast-in-situ section, and finally the concrete is poured to solidify and form. Therefore, the structural strength of the wall panel connection structure of the present invention is high, reaching and equal to the structural strength of the traditional cast-in-situ, completely changing the existing prefabricated buildings. The bottom of the upper wall panel of the wall panel connection node has a pre-embedded sleeve at the bottom of the lower wall panel, and the top of the lower wall panel extends out of the vertically distributed steel bar for connection, thus overcoming the difficulty in operation of the connection structure between the grouting sleeve or mechanical sleeve and the vertically distributed steel bar. The construction is difficult, the shear resistance is poor, the grouting material is easy to age, the thread is easy to loosen, the reliability is poor, and the structural strength is low. The new technical solution proposed by the present invention in view of the deficiencies of the prior art effectively solves the technical problems of prefabricated buildings, and realizes high structural strength, strong shear resistance and good reliability.
附图说明：Description of drawings:
图1为本发明结构示意图；Fig. 1 is the structural representation of the present invention;
图2为上墙板结构示意图；Figure 2 is a schematic diagram of the structure of the upper wall panel;
图3为下墙板结构示意图；Figure 3 is a schematic diagram of the lower wall panel structure;
图4为上、下墙板与叠合楼板装配式示意图；Figure 4 is a schematic diagram of the assembly of upper and lower wall panels and a superimposed floor slab;
附图标记：Reference number:
1—上墙板混凝土预制外层，2—上墙板混凝土预制内层，3—上墙板混凝土现浇中间层，4—下墙板混凝土预制外层，5—下墙板混凝土预制内层，6—下墙板混凝土现浇中间层，7—预留现浇段，8—预留现浇段外侧模板，9—竖向分布钢筋，10—水平分布钢筋，11—上墙板底部套箍，12—下墙板顶部套箍，13—水平贯通加强筋，14—墙板桁架钢筋，15—叠合楼板预制层，16—叠合楼板现浇层，17—楼板桁架钢筋，18—楼板横向面筋，19—楼板纵向面筋，20—楼板横向底筋，21—楼板纵向底筋。1—precast concrete outer layer of upper wall panel, 2—prefabricated inner layer of upper panel concrete, 3—cast-in-place concrete middle layer of upper wall panel, 4—prefabricated outer layer of lower wall panel concrete, 5—prefabricated inner layer of lower wall panel concrete , 6—cast-in-situ concrete middle layer of lower wall panel, 7—reserved cast-in-situ section, 8—reserved cast-in-situ section outer formwork, 9—vertical distribution of steel bars, 10—horizontal distribution of steel bars, 11—upper wall panel bottom sleeve Hoop, 12—top hoop of lower wall panel, 13—horizontal penetration reinforcing bar, 14—wall panel truss steel bar, 15—superimposed floor slab prefabricated layer, 16—superimposed floor slab cast-in-place layer, 17—floor truss reinforcement bar, 18— Floor transverse gluten, 19 - floor longitudinal gluten, 20 - floor transverse bottom bar, 21 - floor longitudinal bottom bar.
具体实施方式：Detailed ways:
参见图1～图4，一种等同现浇的墙板连接结构，包括上墙板和下墙板，在上墙板和下墙板之间设有预留现浇段，上墙板底端伸出有上墙板底部套箍，下墙板顶部伸出有下墙板顶部套箍，上墙板底部套箍和下墙板顶部套箍在预留现浇段内搭接，并在预留现浇段内浇筑混凝土成型固定。同时所述上墙板底部套箍和下墙板顶部套箍在所述预留现浇段内搭接的内侧布有多根水平贯通加强筋。Referring to Figures 1 to 4, an equivalent cast-in-place wall panel connection structure includes an upper wall panel and a lower wall panel, a reserved cast-in-place section is arranged between the upper wall panel and the lower wall panel, and the bottom end of the upper wall panel is The bottom ferrule of the upper wall panel protrudes, and the top ferrule of the lower wall panel protrudes from the top ferrule of the lower wall panel. The concrete shall be cast in the cast-in-place section to form and fix. At the same time, the inner side where the bottom hoop of the upper wall panel and the top hoop of the lower wall panel are overlapped in the reserved cast-in-place section is covered with a plurality of horizontal through reinforcing ribs.
上述的上墙板和下墙板都包括混凝土预制外层、混凝土预制内层和位于混凝土预制外层与混凝土预制内层之间的混凝土现浇中间层。The above-mentioned upper and lower wall panels both include a concrete prefabricated outer layer, a concrete prefabricated inner layer, and a concrete cast-in-place intermediate layer located between the concrete prefabricated outer layer and the concrete prefabricated inner layer.
参见图2、图3，上墙板底部套箍为上墙板混凝土预制外层内的竖向分布钢筋和上墙板混凝土预制内层内的竖向分布钢筋伸出上墙板底端的弯折回转闭环结构；所述下墙板顶部套箍为下墙板混凝土预制外层内的竖向分布钢筋和下墙板混凝土预制内层内的竖向分布钢筋伸出下墙板顶端的弯折回转闭环结构。或者：所述上墙板底部套箍两端分别与上墙板混凝土预制外层内的竖向分布钢筋和上墙板混凝土预制内层内的竖向分布钢筋连接固定；所述下墙板顶部套箍两端分别与下墙板混凝土预制外层内的竖向分布钢筋和下墙板混凝土预制内层内的竖向分布钢筋连接固定。Referring to Figure 2 and Figure 3, the bottom hoop of the upper wall panel is the bending of the vertically distributed steel bars in the prefabricated outer layer of the upper wall panel and the vertically distributed steel bars in the prefabricated inner layer of the upper wall panel protruding from the bottom end of the upper wall panel. Rotation closed-loop structure; the top hoop of the lower wall panel is the bending and turning of the vertically distributed steel bars in the concrete prefabricated outer layer of the lower wall panel and the vertically distributed steel bars in the concrete prefabricated inner layer of the lower wall panel protruding from the top of the lower wall panel closed loop structure. Or: the two ends of the hoop at the bottom of the upper wall panel are respectively connected and fixed with the vertically distributed steel bars in the concrete prefabricated outer layer of the upper wall panel and the vertically distributed steel bars in the upper wall panel concrete prefabricated inner layer; the top of the lower wall panel is connected and fixed. The two ends of the hoop are respectively connected and fixed with the vertically distributed steel bars in the concrete prefabricated outer layer of the lower wall panel and the vertically distributed steel bars in the lower wall panel concrete prefabricated inner layer.
参见图1，预留现浇段的两侧设置有预留现浇段外侧模板。在上墙板与下墙板之间还搭接有叠合楼板的端头，叠合楼板包括叠合楼板预制层和叠合楼板现浇层，所述预留现浇段与叠合楼板现浇层一起整体浇筑混凝土成型固定。Referring to Figure 1, the outer formwork of the reserved cast-in-situ section is provided on both sides of the reserved cast-in-place section. The end of the superimposed floor slab is also overlapped between the upper wall panel and the lower wall panel. The superimposed floor slab includes a prefabricated layer of the superimposed floor slab and a cast-in-place layer of the superimposed floor slab. The reserved cast-in-place section and the superimposed floor slab are now The pouring layer is integrally poured with concrete to form and fix.
参见图2、图3，上墙板底板套箍和下墙板顶部套箍的高度为1.2LaE，其中LaE为根据墙板布筋直径、混凝土等级和抗震等级所确定的抗震锚固长度。Referring to Figures 2 and 3, the height of the bottom hoop of the upper wall panel and the top hoop of the lower wall panel is 1.2LaE, where LaE is the seismic anchorage length determined according to the diameter of the wall panel reinforcement, the concrete grade and the seismic grade.
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