CN107254933A - The high-rise single through hole precast shear wall of assembled and its assembling structure and construction method - Google Patents
The high-rise single through hole precast shear wall of assembled and its assembling structure and construction method Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 239000004567 concrete Substances 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 210000002435 tendon Anatomy 0.000 claims description 23
- 230000002787 reinforcement Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 11
- 238000009415 formwork Methods 0.000 claims description 5
- 239000011440 grout Substances 0.000 claims description 4
- 239000011376 self-consolidating concrete Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 238000000707 layer-by-layer assembly Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4107—Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
- E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B2001/4192—Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
本发明提出一种高层装配式单排通孔预制剪力墙，其包括有预制墙体，预制墙体内预埋有水平分布筋、竖向分布筋和拉结筋，预制墙体内具有若干竖向分布的直柱形装配孔；又提出上述预制剪力墙的装配结构，多块预制剪力墙下上依次对齐、间隔设置，装配孔内放有受力筋、其两端分别插于上、下块预制剪力墙的装配孔内至少500mm；预制剪力墙一侧或两侧设有叠合楼板；装配孔内及叠合楼板浇筑有混凝土，使上、下预制剪力墙和叠合楼板联接。再提出上述装配施工方法，步骤有：1、吊装预制剪力墙；2、吊装叠合楼板的预制楼板及楼板钢筋骨架；3、安装受力筋；4、浇筑混凝土；5、重复步骤1至步骤4完成各层预制剪力墙的装配。本发明具有施工快速、工期短、造价低的特点。
The present invention proposes a high-rise prefabricated single-row through-hole prefabricated shear wall, which includes a prefabricated wall body. The prefabricated wall body is pre-embedded with horizontal distribution bars, vertical distribution bars and tie bars. The prefabricated wall body has several Vertically distributed straight column-shaped assembly holes; the assembly structure of the above-mentioned prefabricated shear walls is also proposed. The bottom and top of multiple prefabricated shear walls are aligned and arranged at intervals. The assembly hole of the upper and lower prefabricated shear walls shall be at least 500mm; one or both sides of the prefabricated shear wall shall be provided with laminated floors; the assembly holes and laminated floors shall be poured with concrete so that the upper and lower precast Composite floor joints. Propose the above assembly construction method again, the steps are: 1, hoisting prefabricated shear walls; 2, hoisting the prefabricated floor slabs and floor steel skeletons of laminated slabs; 3, installing stress bars; 4, pouring concrete; 5, repeat steps 1 to Step 4 completes the assembly of the prefabricated shear walls of each layer. The invention has the characteristics of fast construction, short construction period and low cost.
Description
技术领域technical field
本发明涉及建筑技术领域，具体涉及一种预制剪力墙板及其装配、施工方法。The invention relates to the field of building technology, in particular to a prefabricated shear wall panel and its assembly and construction methods.
背景技术Background technique
装配式建筑是指用预制剪力墙/柱、叠合板、预制梁等预制的构件在建筑工地上现场装配而成的建筑，这种建筑具有施工速度快、工期短，受气候条件制约小的特点。预制构件中预制剪力墙在竖向上装配连接方式主要采用：1、套筒灌浆连接，具体是将上、下两块预制剪力墙上预埋的钢筋通过套筒对接，套筒内灌浆实现高强度连接，这种连接方式的不知之处在于：（1）套筒、钢筋的对接、灌浆操作工序繁琐，不便于现场施工；（2）套筒属于装配式建筑构件对接的专用配件，结构较复杂，制造成本较高，容易增加工程造价；2、约束浆锚搭接连接，具体是在预制剪力墙的排孔内安装钢筋，将上、下两块预制剪力墙的钢筋通过排孔对插，再向排孔内灌浆实现高强度连接，这种连接方式的不知之处在于：目前为配合现场装配工艺，排孔内的钢筋安装结构较复杂，现场装配施工时安装钢筋容易拖延工期，如果预制剪力墙的排孔内钢筋预先安装好，外露的钢筋又非常不利于运输和吊装。因此有必要对现有的预制剪力墙的竖向装配连接方式进行改进。Prefabricated buildings refer to buildings assembled on-site with prefabricated shear walls/columns, laminated panels, prefabricated beams and other prefabricated components on the construction site. features. Among the prefabricated components, the vertical assembly and connection methods of the prefabricated shear walls are mainly adopted: 1. Sleeve grouting connection, specifically, the steel bars pre-embedded in the upper and lower prefabricated shear walls are connected through the sleeves, and the grouting in the sleeves is realized. High-strength connection, the unknown point of this connection method is: (1) the sleeve, steel bar docking, and grouting operation procedures are cumbersome, which is not convenient for on-site construction; (2) the sleeve is a special accessory for the docking of prefabricated building components. It is more complicated, the manufacturing cost is higher, and it is easy to increase the project cost; 2. Constrained grout anchor lap connection, specifically installing steel bars in the row holes of the prefabricated shear wall, and passing the steel bars of the upper and lower prefabricated shear walls through the row The holes are inserted in pairs, and then grouted into the row holes to achieve high-strength connection. The unknown point of this connection method is that at present, in order to cooperate with the on-site assembly process, the installation structure of the steel bars in the row holes is relatively complicated, and it is easy to delay the installation of steel bars during on-site assembly construction. During the construction period, if the steel bars in the row holes of the prefabricated shear wall are pre-installed, the exposed steel bars are very unfavorable for transportation and hoisting. Therefore, it is necessary to improve the existing vertical assembly and connection methods of prefabricated shear walls.
发明内容Contents of the invention
本发明的目的是提出一种高层装配式单排通孔预制剪力墙，其具有结构简单、易于制造、便于运输和吊装的特点；又提出该预制剪力墙的装配结构以及其施工方法，具有现场施工方便快速、施工工期短、工程造价低的特点。The purpose of the present invention is to propose a prefabricated shear wall with single row of high-rise prefabricated through holes, which has the characteristics of simple structure, easy manufacture, convenient transportation and hoisting; also proposes the assembly structure of the prefabricated shear wall and its construction method, It has the characteristics of convenient and fast on-site construction, short construction period and low engineering cost.
本发明的目的可通过以下技术方案实现：The purpose of the present invention can be achieved through the following technical solutions:
高层装配式单排通孔预制剪力墙，其包括有预制墙体，所述预制墙体内预埋有水平分布筋、竖向分布筋和拉结筋，若干根水平分布筋和若干根竖向分布筋交错排列构成钢筋骨架，2个钢筋骨架间隔藏于预制墙体内，拉结筋端分别连接于2个钢筋骨架上，所述预制墙体内具有若干竖向分布的直柱形装配孔，装配孔错开钢筋骨架及拉结筋。其中装配孔的直径可以是80～100mm。The high-rise prefabricated single-row through-hole prefabricated shear wall includes a prefabricated wall, and the prefabricated wall is pre-embedded with horizontal distribution bars, vertical distribution bars and tie bars, several horizontal distribution bars and several vertical bars. The distribution bars are staggered to form a steel skeleton, and the two steel skeletons are hidden in the prefabricated wall at intervals, and the ends of the tie bars are respectively connected to the two steel skeletons. Holes, assembly holes stagger the reinforcement skeleton and tie bars. The diameter of the assembly hole may be 80-100 mm.
一种预制剪力墙的装配结构，包括有上下对齐、间隔设置的2块预制剪力墙，所述预制剪力墙为上述高层装配式单排通孔预制剪力墙，上、下预制剪力墙的装配孔对齐，下块预制剪力墙的顶端与上块预制剪力墙的底端之间具有叠合楼板间隔并构成联接位，至少1根受力筋插于上、下预制剪力墙的装配孔内，受力筋的底端插于下块预制剪力墙的装配孔内至少500mm，受力筋的顶端穿过联接位插于上块预制剪力墙的装配孔内至少500mm。An assembly structure of prefabricated shear walls, including two prefabricated shear walls aligned up and down and arranged at intervals, the prefabricated shear walls are the above-mentioned high-rise assembled single-row through-hole prefabricated shear walls, and the upper and lower prefabricated shear walls The assembly holes of the force walls are aligned, the top of the lower prefabricated shear wall and the bottom of the upper prefabricated shear wall have a superimposed floor interval and form a joint position, and at least one stress tendon is inserted between the upper and lower prefabricated shear walls. In the assembly hole of the force wall, the bottom end of the force tendon is inserted into the assembly hole of the lower prefabricated shear wall for at least 500mm, and the top end of the force force bar is inserted into the assembly hole of the upper prefabricated shear wall through the connection position for at least 500 mm. 500mm.
预制剪力墙的一侧或两侧位于联接位处设有叠合楼板，叠合楼板包括预制楼板和位于预制楼板上的现浇楼板，所述预制楼板内预埋有楼板钢筋，楼板钢筋的外露部分位于联接位处，联接位的上部及预制楼板的上方铺设有连续的楼板钢筋骨架。One or both sides of the prefabricated shear wall are provided with a laminated floor at the joint position. The laminated floor includes a prefabricated floor and a cast-in-place floor on the prefabricated floor. The prefabricated floor is pre-embedded with floor reinforcement. The exposed part is located at the connection position, and a continuous floor steel skeleton is laid on the upper part of the connection position and above the prefabricated floor slab.
预制剪力墙的装配孔内、联接位内以及楼板钢筋骨架浇筑有混凝土，下块预制剪力墙与叠合楼板通过混凝土联接，上、下预制剪力墙通过受力筋和混凝土联接。Concrete is poured in the assembly holes and joints of the prefabricated shear wall and the steel skeleton of the floor slab, the lower prefabricated shear wall and the laminated floor are connected by concrete, and the upper and lower prefabricated shear walls are connected by reinforcement and concrete.
一种预制剪力墙的装配施工方法，所述预制剪力墙采用上述预制剪力墙的装配结构，其包括以下步骤。An assembly construction method of a prefabricated shear wall, wherein the prefabricated shear wall adopts the above assembly structure of the prefabricated shear wall, which includes the following steps.
步骤1、在地基或楼面上确定预制剪力墙的安装位，在安装位附近搭建临时固定架，将预制剪力墙吊装于安装位、并由临时固定架固定，预制剪力墙的底端与地基或楼面之间采用座浆填平；在地基上装配预制剪力墙时，地基上预埋受力筋，使受力筋的顶端插于预制剪力墙的装配孔内至少500mm。Step 1. Determine the installation position of the prefabricated shear wall on the foundation or floor, build a temporary fixing frame near the installation position, hoist the prefabricated shear wall at the installation position, and fix it by the temporary fixing frame, and the bottom of the prefabricated shear wall Fill the gap between the end and the foundation or floor with seat grout; when assembling the prefabricated shear wall on the foundation, pre-embed the stress tendon on the foundation, so that the top of the stress tendon is inserted into the assembly hole of the prefabricated shear wall for at least 500mm .
步骤2、搭建临时支撑架，在预制剪力墙的上方一侧或两侧分别安装预制楼板，预制楼板由临时支撑架支撑，于预制楼板的上方铺设连续的楼板钢筋骨架。Step 2. Build a temporary support frame, install prefabricated floor slabs on one side or both sides above the prefabricated shear wall, the prefabricated floor slab is supported by the temporary support frame, and lay a continuous floor steel skeleton above the prefabricated floor slab.
步骤3、在预制剪力墙的装配孔内放入受力筋，将受力筋的顶部与预制楼板的楼板钢筋的外露部分和/或楼板钢筋骨架固定连接。Step 3. Put stress tendons in the assembly holes of the prefabricated shear walls, and fix the top of the stress tendons to the exposed part of the floor reinforcement of the prefabricated floor slab and/or the floor reinforcement skeleton.
步骤4、在预制剪力墙侧面与预制楼板底面的衔接部位安装模板，向预制剪力墙的装配孔内灌注自密实混凝土、以及在楼板钢筋骨架上浇筑混凝土，待混凝土凝结至强度达到要求后，预制楼板与楼板钢筋骨架联接成叠合楼板。Step 4. Install formwork at the joint between the side of the prefabricated shear wall and the bottom of the prefabricated floor, pour self-compacting concrete into the assembly hole of the prefabricated shear wall, and pour concrete on the steel skeleton of the floor, and wait until the concrete is set until the strength meets the requirements , the prefabricated floor is connected with the steel skeleton of the floor to form a laminated floor.
步骤5、在步骤4建造的叠合楼板形成的楼面上，重复步骤1至步骤4依次向上装配预制剪力墙，完成各层预制剪力墙的装配，施工到最顶层时，在步骤3中，受力筋上部不高出联接位或者省去步骤3。Step 5. On the floor formed by the laminated floor slabs built in step 4, repeat steps 1 to 4 to assemble the prefabricated shear walls upwards in order to complete the assembly of prefabricated shear walls on each floor. When the construction reaches the top floor, in step 3 , the upper part of the stress tendon is not higher than the connection position or step 3 is omitted.
本发明具有以下突出的实质性特点和显著的进步。The present invention has the following outstanding substantive features and remarkable progress.
1、本发明的高层装配式单排通孔预制剪力墙结构非常简单，具有易于制造、便于运输和吊装的特点。1. The high-rise assembled single-row through-hole prefabricated shear wall of the present invention is very simple in structure, and has the characteristics of easy manufacture, transportation and hoisting.
2、本发明的预制剪力墙的装配结构在施工时，将受力筋现场安装于预制剪力墙的装配孔内，连接于叠合楼板的楼板钢筋骨架上实现定位，具有现场施工方便、操作简单、快速的特点。2. During the construction of the assembly structure of the prefabricated shear wall of the present invention, the stressed tendons are installed in the assembly hole of the prefabricated shear wall on site, and connected to the floor steel skeleton of the laminated floor to realize positioning, which has the advantages of convenient on-site construction, Simple and fast operation.
3、本发明的预制剪力墙的装配结构在施工时，先装配下一层剪力墙及该楼层顶板后再装配上一层的剪力墙及其楼顶板，这种逐层装配方式能有效确保施工质量；同时，装配上层剪力墙时，可拆除下层施工时中使用的临时固定架、临时支撑架及模板，重新用于上层剪力墙的施工，具有配件重复使用率高、施工投入小的特点。3. When the assembly structure of the prefabricated shear wall of the present invention is being constructed, the shear wall of the next layer and the roof plate of the floor are assembled first, and then the shear wall of the upper layer and the roof plate thereof are assembled. This layer-by-layer assembly method It can effectively ensure the construction quality; at the same time, when assembling the upper shear wall, the temporary fixing frame, temporary support frame and formwork used in the construction of the lower layer can be removed and reused for the construction of the upper layer shear wall. The construction investment is small.
附图说明Description of drawings
图1为本发明的高层装配式单排通孔预制剪力墙的结构示意图（俯视状态）。Fig. 1 is a schematic structural view (overlooking state) of the high-rise assembled single-row through-hole prefabricated shear wall of the present invention.
图2为图1所示的预制剪力墙的剖视图（主视状态）。Fig. 2 is a sectional view (front view state) of the prefabricated shear wall shown in Fig. 1 .
图3为图1所示的预制剪力墙的装配结构的示意图。Fig. 3 is a schematic diagram of the assembly structure of the prefabricated shear wall shown in Fig. 1 .
图4为图1所示的预制剪力墙的装配施工方法中步骤1的施工示意图。Fig. 4 is a construction schematic diagram of step 1 in the assembly construction method of the prefabricated shear wall shown in Fig. 1 .
图5为图1所示的预制剪力墙的装配施工方法中步骤2和步骤3的施工示意图。Fig. 5 is a construction schematic diagram of steps 2 and 3 in the assembly construction method of the prefabricated shear wall shown in Fig. 1 .
图6为图1所示的预制剪力墙的装配施工方法中步骤4的施工示意图。Fig. 6 is a construction schematic diagram of step 4 in the assembly construction method of the prefabricated shear wall shown in Fig. 1 .
图7为图1所示的预制剪力墙的装配施工方法中步骤5施工建筑物中间层的示意图。Fig. 7 is a schematic diagram of constructing the middle layer of the building in step 5 in the assembly construction method of the prefabricated shear wall shown in Fig. 1 .
图8为图1所示的预制剪力墙的装配施工方法中步骤5施工建筑物顶层的示意图。Fig. 8 is a schematic diagram of the construction of the top floor of the building in step 5 in the assembly construction method of the prefabricated shear wall shown in Fig. 1 .
具体实施方式detailed description
下面结合附图对本发明作进一步说明。The present invention will be further described below in conjunction with accompanying drawing.
实施例1Example 1
参考图1和图2，高层装配式单排通孔预制剪力墙，其包括有预制墙体1。所述预制墙体1内预埋有水平分布筋11、竖向分布筋12和拉结筋13，若干根水平分布筋11和若干根竖向分布筋12交错排列构成钢筋骨架，2个钢筋骨架间隔藏于预制墙体1内，拉结筋13端分别连接于2个钢筋骨架上。Referring to Fig. 1 and Fig. 2, the high-rise prefabricated shear wall with single row of through holes includes a prefabricated wall body 1 . The prefabricated wall 1 is pre-embedded with horizontal distribution bars 11, vertical distribution bars 12 and tie bars 13, several horizontal distribution bars 11 and several vertical distribution bars 12 are staggered to form a reinforcement skeleton, and two reinforcement skeletons The intervals are hidden in the prefabricated wall body 1, and the 13 ends of the tie bars are respectively connected to two steel bar skeletons.
所述预制墙体1内中央具有若干竖向分布的直柱形装配孔10，装配孔10错开钢筋骨架及拉结筋13，装配孔10的直径为90mm。In the center of the prefabricated wall 1 there are several vertically distributed straight column-shaped assembly holes 10, the assembly holes 10 are staggered from the steel skeleton and tie bars 13, and the diameter of the assembly holes 10 is 90mm.
本实施例的预制剪力墙结构简单、易于制造，制造时预制墙体1内的装配孔10通过预埋的金属管形成，预制墙体1成型后可将装配孔10内的金属管抽离，以便重复利用金属管，避免管材浪费；另外预制墙体1的表面外露钢筋少，使运输和吊装的操作简单、安全，减少了运输占用空间，还利于施工人员吊装操作的安全性。The prefabricated shear wall of this embodiment has a simple structure and is easy to manufacture. During manufacture, the assembly hole 10 in the prefabricated wall body 1 is formed by a pre-embedded metal pipe, and the metal pipe in the assembly hole 10 can be pulled out after the prefabricated wall body 1 is formed. , so as to reuse metal pipes and avoid waste of pipes; in addition, the surface of the prefabricated wall body 1 has less exposed steel bars, which makes the operation of transportation and hoisting simple and safe, reduces the space occupied by transportation, and is also conducive to the safety of construction personnel's hoisting operations.
实施例2Example 2
参考图3，一种预制剪力墙的装配结构，包括有上下对齐、间隔设置的2块预制剪力墙，所述预制剪力墙采用实施例1的高层装配式单排通孔预制剪力墙，上、下预制剪力墙的装配孔10对齐，下块预制剪力墙的顶端与上块预制剪力墙的底端之间具有叠合楼板间隔并构成联接位15，1根受力筋16插于上、下预制剪力墙的装配孔10内，受力筋16的底端插于下块预制剪力墙的装配孔10内、接近楼板顶面标高位置，受力筋16的顶端穿过联接位15、插于上块预制剪力墙的装配孔10内600mm。为便于现场施工，受力筋16插入装配孔10内长度满足不少于500mm，满足锚固要求即可。Referring to Fig. 3, an assembly structure of prefabricated shear walls includes two prefabricated shear walls aligned up and down and arranged at intervals. Wall, the assembly holes 10 of the upper and lower prefabricated shear walls are aligned, and the top of the lower prefabricated shear wall and the bottom of the upper prefabricated shear wall have a superimposed floor interval and form a connection position 15, one of which is stressed The tendons 16 are inserted into the assembly holes 10 of the upper and lower prefabricated shear walls, and the bottom ends of the stressed tendons 16 are inserted into the assembled holes 10 of the lower prefabricated shear walls, close to the elevation of the top surface of the floor. The top end passes through the connection position 15 and is inserted into the assembly hole 10 of the upper prefabricated shear wall for 600mm. In order to facilitate on-site construction, the length of the stressed tendon 16 inserted into the assembly hole 10 is not less than 500mm, which is enough to meet the anchoring requirements.
预制剪力墙的两侧位于联接位15处分别设有叠合楼板，（对于靠近建筑物最外侧的墙体，预制剪力墙的一侧位于联接位15处设有叠合楼板，图中未示），叠合楼板包括预制楼板2和位于预制楼板2上的现浇楼板3，所述预制楼板2内预埋有楼板钢筋21，楼板钢筋21的外露部分联接位15处，联接位15的上部及预制楼板2的上方铺设有连续的楼板钢筋骨架31。The two sides of the prefabricated shear wall are respectively provided with laminated floor slabs at the joint position 15, (for the wall near the outermost side of the building, one side of the prefabricated shear wall is provided with a laminated floor plate at the joint position 15, as shown in the figure not shown), the laminated floor includes a prefabricated floor 2 and a cast-in-place floor 3 located on the prefabricated floor 2, the prefabricated floor 2 is pre-embedded with floor steel bars 21, and the exposed part of the floor steel bar 21 has 15 connecting positions, and the connecting positions 15 The upper part of the slab and the top of the prefabricated slab 2 are laid with a continuous slab reinforcement skeleton 31.
预制剪力墙的装配孔10内、联接位15内以及楼板钢筋骨架31浇筑有混凝土，下块预制剪力墙与叠合楼板通过混凝土联接，上、下预制剪力墙通过受力筋16和混凝土联接。Concrete is poured in the assembly hole 10 of the prefabricated shear wall, in the connection position 15 and the steel skeleton 31 of the floor slab, the lower prefabricated shear wall and the laminated floor are connected by concrete, and the upper and lower prefabricated shear walls pass through the stress bars 16 and Concrete joints.
本实施例的预制剪力墙的装配结构，通过预制楼板2构造的叠合楼板实现上、下层预制剪力墙的联接，具有装配牢固，施工质量高的特点。The assembly structure of the prefabricated shear wall in this embodiment realizes the connection of the upper and lower prefabricated shear walls through the superimposed floor slab constructed by the prefabricated floor 2, which has the characteristics of firm assembly and high construction quality.
实施例3Example 3
参考图4至8，一种预制剪力墙的装配施工方法，所述预制剪力墙采用实施例2的预制剪力墙的装配结构，其包括以下步骤。Referring to Figures 4 to 8, an assembly construction method of a prefabricated shear wall, which adopts the assembly structure of the prefabricated shear wall of Embodiment 2, includes the following steps.
步骤1、在地基或楼面上确定预制剪力墙的安装位，在安装位附近搭建临时固定架，参考图4，将预制剪力墙吊装于安装位、并由临时固定架固定（图中未示），预制剪力墙的底端与地基之间采用座浆14填平；在地基上装配预制剪力墙时，地基上预埋1根受力筋16，使受力筋16的顶端插于预制剪力墙的装配孔10内600mm。Step 1. Determine the installation position of the prefabricated shear wall on the foundation or floor, and build a temporary fixing frame near the installation position. Referring to Figure 4, hoist the prefabricated shear wall at the installation position and fix it with the temporary fixing frame (in the figure not shown), the gap between the bottom of the prefabricated shear wall and the foundation is filled with seat grout 14; Insert 600mm into the assembly hole 10 of the prefabricated shear wall.
步骤2、搭建临时支撑架（图中未示），参考图5，在预制剪力墙的上方两侧分别安装预制楼板2，预制楼板2由临时支撑架支撑，采用机械连接或焊接方式、固定连接预制楼板2之间的楼板钢筋外露部分，于预制楼板2的上方铺设连续的楼板钢筋骨架31。Step 2. Build a temporary support frame (not shown in the figure). Referring to Figure 5, install prefabricated floor slabs 2 on both sides above the prefabricated shear wall. The prefabricated floor slab 2 is supported by a temporary support frame and fixed by mechanical connection or welding. The exposed part of the floor reinforcement between the prefabricated floor slabs 2 is connected, and a continuous floor reinforcement skeleton 31 is laid on the top of the prefabricated floor slab 2 .
步骤3、参考图5，在预制剪力墙的装配孔10内放入1根受力筋16，将受力筋16的顶部与预制楼板2的楼板钢筋外露部分和楼板钢筋骨架31、采用机械连接或焊接方式固定连接。Step 3, with reference to Fig. 5, put a stress tendon 16 in the assembly hole 10 of the prefabricated shear wall, connect the top of the stress tendon 16 with the exposed part of the floor reinforcement of the prefabricated floor 2 and the floor reinforcement skeleton 31, adopt mechanical Fixed connection by connection or welding.
步骤4、参考图6，在预制剪力墙侧面与预制楼板2底面的衔接部位安装模板4，先向预制剪力墙的装配孔10内灌注自密实混凝土，待预制剪力墙的装配孔10内的自密实混凝土初凝后，再在楼板钢筋骨架31上浇筑现浇楼板混凝土，待现浇楼板混凝土凝结至强度达到要求后，预制楼板2与楼板钢筋骨架31联接成叠合楼板。Step 4, referring to Fig. 6, install the formwork 4 at the junction between the side of the prefabricated shear wall and the bottom surface of the prefabricated floor 2, first pour self-compacting concrete into the assembly hole 10 of the prefabricated shear wall, and wait for the assembly hole 10 of the prefabricated shear wall After the initial setting of self-compacting concrete inside, the cast-in-place floor concrete is poured on the floor steel skeleton 31, and after the cast-in-place floor concrete is set until the strength reaches the requirement, the prefabricated floor 2 and the floor steel skeleton 31 are connected to form a laminated floor.
步骤5、参考图7，在步骤4建造的叠合楼板形成的楼面上，重复步骤1至步骤4依次向上装配预制剪力墙，完成各层预制剪力墙的装配；参考图8，施工到最顶层时，在步骤3中，受力筋16上部不高出联接位15，且受力筋16弯锚锚入最顶层楼板的楼板钢筋骨架31内并连接。Step 5, refer to Figure 7, on the floor formed by the laminated floor slabs built in Step 4, repeat Step 1 to Step 4 to assemble the prefabricated shear walls upwards in sequence, and complete the assembly of prefabricated shear walls on each floor; refer to Figure 8, construction When reaching the top floor, in step 3, the upper part of the stressed tendon 16 is not higher than the connecting position 15, and the bent anchor of the stressed tendon 16 is anchored in the floor reinforcement skeleton 31 of the top floor slab and connected.
本实施例的预制剪力墙的装配施工方法中，先装配下一层剪力墙及该楼层顶板后再装配上一层的剪力墙及其楼顶板，这种逐层装配方式有效确保了施工质量；同时，装配上层剪力墙时，可拆除下层施工时中使用的临时固定架、临时支撑架及模板，重新用于上层剪力墙的施工，具有配件重复使用率高、施工投入小的特点。In the assembly construction method of the prefabricated shear wall of this embodiment, the shear wall of the next layer and the roof of the floor are assembled first, and then the shear wall of the upper layer and the roof of the floor are assembled. This layer-by-layer assembly method effectively ensures At the same time, when assembling the upper shear wall, the temporary fixing frame, temporary support frame and formwork used in the construction of the lower layer can be removed and reused for the construction of the upper layer shear wall, which has the advantages of high reuse rate of accessories and low construction investment. small features.
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