CN104712079B - The assembled polypropylene fibre sludge ceramsite concrete wall and its construction method connected based on mat surface - Google Patents

The assembled polypropylene fibre sludge ceramsite concrete wall and its construction method connected based on mat surface Download PDF

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CN104712079B
CN104712079B CN201510117560.XA CN201510117560A CN104712079B CN 104712079 B CN104712079 B CN 104712079B CN 201510117560 A CN201510117560 A CN 201510117560A CN 104712079 B CN104712079 B CN 104712079B
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prefabricated panel
vertical
reinforcement
polypropylene fibre
concrete
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CN104712079A (en
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黄炜
李斌
张程华
石安仁
陈建仓
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Shaanxi Qinchuang Matrix Construction Technology Co.,Ltd.
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Xian University of Architecture and Technology
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Abstract

The assembled polypropylene fibre sludge ceramsite concrete wall that the present invention is connected based on mat surface, including:Prefabricated panel, its left and right side is mat surface, built-in horizontal reinforcement and vertical reinforcement;Cast-in-place vertical edges component and cast-in-place connecting pole, are connected with prefabricated panel by mat surface, built-in vertical muscle, and vertical muscle is nested with horizontal reinforcement, and in junction, reliable anchoring is realized in spot welding one by one, forms the attachment structure of horizontal direction;Sleeve with tongue and groove; in the insertion sleeve of vertical reinforcement upper end; being reliably connected and pouring polypropylene fibre sludge ceramsite concrete for vertical reinforcement and sleeve is realized after injection grouting material hardening; form the attachment structure of vertical direction; wherein prefabricated panel is made up of polypropylene fibre sludge ceramsite concrete; present invention also offers the construction method of the wall; the present invention by material, connected mode, form of reinforcement innovation, make the wall have the advantages that with traditional assembled wall compared with energy-dissipating and shock-absorbing, ecological, environmental protective, quickly construction, it is economical and practical.

Description

Based on mat surface connect assembled polypropylene fibre sludge ceramsite concrete wall and Its construction method
Technical field
The invention belongs to technical field of buildings, more particularly to a kind of assembled polypropylene fibre dirt connected based on mat surface Mud Ceramsite Concrete Wall and its construction method.
Background technology
Prefabricated concrete structure meets the resources conservation proposed in China " 12 " planning, environment-friendly society will Ask, be to realize one of effective way of building energy conservation emission reduction and housing industrialization.In recent years, policy of the country to assembled-type house It is oriented to and preferential policy is put into effect successively, assembled integral shear wall structure is because of its preferable globality, rigidity is big, bearing capacity is high etc. Advantage is used widely in high residential building structure.At present, the development of assembled wall faces problems, one side wall Material used is conventional concrete material so that the energy of China and raw materials consumption are excessive, therefore finds eco-concrete The problem of materials for wall turns into present urgent need to resolve.On the other hand the connected mode of traditional fabricated shear wall structure need into One step is improved, and that connected mode now is high to element precast required precision, to install device to hole time-consuming is longer, so as to being delayed work significantly Phase, engineering cost is added, therefore, the connecting structure used in traditional fabricated shear wall need to be improved, propose a kind of knot Structure is simple, reasonable in design, easy construction and input cost is relatively low, using effect is good assembled wall connecting construction.Finally, pass System assembled shear wall structure globality poor, structural system lacks multi-way prevention earth-quake resistant mechanism, and single Pin shear walls destroy to cut Cut based on fragility, it is difficult to meet the Ductility Design requirement of structure, therefore traditional fabricated shear wall form of reinforcement need to be carried out excellent Change innovation, proposes that a kind of ductility is good, crack of consuming energy is uniform and the excellent assembled wall of cast-in-place vertical edges component synergism service behaviour Body form of reinforcement.
The content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of dress connected based on mat surface With formula polypropylene fibre sludge ceramsite concrete wall and its construction method, pass through material, connected mode, the wound of form of reinforcement Newly, make the wall body structure have compared with traditional assembled wall energy-dissipating and shock-absorbing, ecological, environmental protective, it is quick build, it is economical and practical Advantage.
To achieve these goals, the technical solution adopted by the present invention is:
The assembled polypropylene fibre sludge ceramsite concrete wall connected based on mat surface, including:
Prefabricated panel 1, its left and right side is mat surface 13, built-in horizontal reinforcement 11 and vertical reinforcement 12;
Cast-in-place connecting pole 8, is connected with prefabricated panel 1 by the mat surface 13, built-in vertical muscle, the vertical muscle and horizontal steel Muscle 11 is nested, and in junction, reliable anchoring is realized in spot welding one by one, forms the attachment structure of horizontal direction;
Cast-in-place vertical edges component 2, is connected, built-in vertical muscle with the outside of edge prefabricated panel 1 by the mat surface 13, The vertical muscle is nested with horizontal reinforcement 11, and in junction, reliable anchoring is realized in spot welding one by one, forms the connection knot of horizontal direction Structure;
Sleeve 3 with tongue and groove, is arranged in prefabricated panel 1, and the upper end insertion top of the vertical reinforcement 12 is prefabricated In the sleeve 3 of wallboard 1, realized after injection grouting material hardening vertical reinforcement 12 and sleeve 3 be reliably connected and to pour polypropylene fine Sludge ceramsite concrete is tieed up, the attachment structure of vertical direction is formed;
Wherein, the prefabricated panel 1 is made up of polypropylene fibre sludge ceramsite concrete, the polypropylene fibre sludge pottery Grain concrete proportioning be:
Contain in per cubic meter of concrete:Polypropylene fibre 0.6kg~1.2kg, sludge ceramsite 516kg, cement 400kg, Water 180kg and sand 819kg.
The horizontal reinforcement 11 and vertical reinforcement 12 are double muscle shapes on the left and right directions and fore-and-aft direction of prefabricated panel 1 Formula, i.e. four horizontal reinforcements 11 and four vertical reinforcements 12 constitute have in a units, a prefabricated panel 1 multiple units by Order interconnection.
Present invention also offers the assembled polypropylene fibre sludge ceramsite concrete wall connected based on mat surface Construction method, comprise the following steps:
Step one:Prepare polypropylene fibre sludge ceramsite concrete
First mixing polypropylene fibre and sludge ceramsite causes polypropylene fibre to be dispersed in sludge ceramsite;Again will Obtained mixture and sand and cement mixing, first do stirring and add water stirring;Mixing time is consistent with normal concrete, obtains Polypropylene fibre sludge ceramsite concrete;
Step 2:Prepare prefabricated panel 1
Mat surface steel form, assembling reinforcement mesh sheet are assembled first, and sleeve 3 is embedded to the lower end of prefabricated panel 1 in advance;Then With gained polypropylene fibre sludge ceramsite concreting, prefabricated panel 1 is preliminarily formed;1~2d of last standard curing, removes steel Template, forms the concrete panel that level connection joint mode is mat surface, and the end of wherein horizontal reinforcement 11 and vertical reinforcement 12 is equal It is exposed;
Step 3:Assembled wall one-piece casting
Vertically connection procedure is:
Several prefabricated panels 1 are put up and down, and the exposed parts of the upper end of vertical reinforcement 12 of bottom prefabricated panel 1 are inserted In the pre-buried sleeve 3 of top prefabricated panel 1, then adjust each prefabricated panel 1 and position, be in the milk, arranged by the side wall of sleeve 3 Vertical reinforcement 12 is reliably connected after slurry;
Level connection joint process is:
Level puts one cast-in-place connecting pole 8 of setting, cast-in-place connection between several prefabricated panels 1, contiguous prefabricated wallboard 1 Mat surface of the post 8 respectively with its both sides prefabricated panel 1 is fitted, and the outside of prefabricated panel 1 at most edge sets cast-in-place vertical edges structure Part 2, the medial surface of cast-in-place vertical edges component 2 is fitted with the lateral surface of prefabricated panel 1 at most edge, by the exposed of horizontal reinforcement 11 Part is nested with the vertical muscle of cast-in-place connecting pole 8 and cast-in-place vertical edges component 2, and reliable anchor is realized in spot welding one by one in junction Gu;
Wherein, the horizontal reinforcement 11 in the prefabricated panel 1 of the top is also nested with the vertical muscle of constraint concealed beam, and in junction one One spot welding;
The template support of edge member 2 is finally carried out, and pours polypropylene fibre sludge ceramsite concrete, assembled is formed Wall.
In the step 3, the intensity of prefabricated panel 1 reaches can be constructed during more than the 75% of design load.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, assembled wall of the present invention uses eco-concrete material, can effectively alleviate the consumption of raw material, while Solve a part of urban waste recycles problem.
2nd, assembled wall of the present invention is compared with traditional connected mode, with good integrity, the good advantage of anti-seismic performance, And, the installation device to hole high to element precast required precision that can effectively solve traditional fabricated shear wall connected mode presence take The problems such as longer, alignment error control requires high.
3rd, assembled wall body node quick construction of the present invention, connection be reliable, structural integrity is good.Its " well " font arrangement of reinforcement by Power performance is good, energy-dissipating and shock-absorbing, Ductility Design are excellent, material application is reasonable.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is that sleeve of the present invention sets schematic diagram.
Fig. 3 is precast wall body structural representation of the present invention.
Fig. 4 is the size and reinforcement structure schematic diagram of prefabricated panel of the present invention.
Fig. 5 is the dimensional drawing of wall of the present invention.
Embodiment
Describe embodiments of the present invention in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2 and Figure 3, the assembled polypropylene fibre sludge ceramsite coagulation that the present invention is connected based on mat surface Cob wall body, including:
Prefabricated panel 1, its left and right side is mat surface 13, built-in horizontal reinforcement 11 and vertical reinforcement 12;Horizontal reinforcement 11 and vertical reinforcement 12 be double muscle form on the left and right directions and fore-and-aft direction of prefabricated panel 1, be optimized for " well " font, such as Shown in Fig. 2 and Fig. 3, have wherein four horizontal reinforcements 11 and four vertical reinforcements 12 are constituted in a unit, a prefabricated panel 1 Uniform crossover is distributed multiple units in order.
As shown in figure 4, a kind of preferable dimensional parameters of prefabricated panel 1 are as follows:Wallboard thickness is 100mm, and wall-plate level is 1330mm, panel width is 950mm, is provided with the concrete cover that thickness is 10mm, the reinforcing bar anchor of vertical reinforcement 12 Gu length is 190mm, the anchorage length of steel bar of horizontal reinforcement 11 is 215mm, the most external reinforcing bar of vertical reinforcement 12 to concrete Outward flange spacing is 60mm.
Cast-in-place connecting pole 8, is connected with prefabricated panel 1 by the mat surface 13, built-in vertical muscle, the vertical muscle and horizontal steel Muscle 11 is nested, and in junction, reliable anchoring is realized in spot welding one by one, forms the attachment structure of horizontal direction;
Cast-in-place vertical edges component 2, is connected, built-in vertical muscle with the outside of edge prefabricated panel 1 by the mat surface 13, The vertical muscle is nested with horizontal reinforcement 11, and in junction, reliable anchoring is realized in spot welding one by one, forms the connection knot of horizontal direction Structure;
Sleeve 3 with tongue and groove, as shown in Fig. 2 in the upper end insertion sleeve 3 of vertical reinforcement 12, passing through the note of grout hole 6 Enter after grouting material 7 is hardened and realize being reliably connected and pouring polypropylene fibre sludge ceramsite concrete for vertical reinforcement 12 and sleeve 3, Form the attachment structure of vertical direction.
Cast-in-place constraint concealed beam 4 and cast-in-situ floor or superposed floor 5 are set in the top of prefabricated panel 1, and cast-in-place constraint is dark Horizontal bar is set in beam 4 and cast-in-situ floor or superposed floor 5, it is nested with the vertical reinforcement in prefabricated panel 1 and in junction one Reliable anchoring is realized in one spot welding.
Wherein, prefabricated panel 1 is made up of polypropylene fibre sludge ceramsite concrete, polypropylene fibre sludge ceramsite concrete It is a kind of ecomaterial, the features such as it has good lightweight, insulation, fire resistance, good corrosion resistance, good anti-seismic performance.It is matched For:
Contain in per cubic meter of concrete:Polypropylene fibre 0.6kg~1.2kg, sludge ceramsite 516kg, cement 400kg, Water 180kg and sand 819kg.Sludge ceramsite used is taken from urban sewer sludge, and clay is substituted using these sludge, through digging Mud, natural drying, raw material balling-up, preheating, roasting, cooling are made.
Present invention also offers applying for the assembled polypropylene fibre sludge ceramsite concrete wall connected based on mat surface Work method, comprises the following steps:
Step one:Polypropylene fibre sludge ceramsite concrete is prepared, is comprised the following steps:
Step 1, sludge ceramsite is prepared, it is specific as follows:
Step 1.1, obtain primary sludge and dehydration and drying is carried out to it, primary sludge can be dirty from municipal sewage system Mud;
Step 1.2, grinding homogenizing is carried out to the sludge after dehydration and drying;
Step 1.3, the sludge after being homogenized to grinding carries out extruding balling-up and sends into Expanded Clay Rotary Kilns firing, and process conditions are 400 DEG C first preheating 20min are then heated to 1000 DEG C of last natural coolings in atmosphere of sintering 20min;
Step 1.4, by the haydite baked cooling and gradation sizing, 5~20mm of particle diameter haydite is taken as raw material.
Step 2, polypropylene fibre and sludge ceramsite are mixed according to aforementioned ratio causes polypropylene fibre to be dispersed in In sludge ceramsite, in order that polypropylene fibre can be evenly distributed in concrete, first polypropylene fibre is rubbed and dissipated separately, then Polypropylene fibre and sludge ceramsite input mixer are mixed 30 seconds;
Step 3, sand and cement are mixed with the mixture that step 2 is obtained, first does stirring 30 seconds, then in the stirring being rotating Add water, and be stirred for 3 minutes or so in machine;
Step 4, the polypropylene fibre sludge ceramsite being stirred is put into die for molding;
Step 5, the polypropylene fibre sludge ceramsite concrete of shaping is put into standard curing room to be conserved, its maintenance side Method, time are consistent with normal concrete.
Wherein, seawater, sea sand must not be used, and forbids to fill villaumite.Because sludge ceramsite belongs to lightweight aggregate, configuration when Wait and use the relatively low ratio of mud as far as possible, as far as possible less than 0.5.In addition to above-mentioned regulation, polypropylene fibre sludge concrete it is used other Material, should meet regulation raw materials used on armored concrete in current specifications.
Step 2:Prepare prefabricated panel 1
Mat surface steel form, assembling reinforcement mesh sheet are assembled first, and sleeve 3 is embedded to the lower end of prefabricated panel 1 in advance;Then With gained polypropylene fibre sludge ceramsite concreting, prefabricated panel 1 is preliminarily formed;1~2d of last standard curing, removes steel Template, forms the concrete panel that level connection joint mode is mat surface, and the end of wherein horizontal reinforcement 11 and vertical reinforcement 12 is equal It is exposed;
Step 3:When the intensity of prefabricated panel 1 reaches more than the 75% of design load, carry out assembled wall connection with it is whole Body is poured
Vertically connection procedure is:
Several prefabricated panels 1 are put up and down, and the exposed parts of the upper end of vertical reinforcement 12 of bottom prefabricated panel 1 are inserted In the pre-buried sleeve 3 of top prefabricated panel 1, then adjust each prefabricated panel 1 and position, be in the milk, arranged by the side wall of sleeve 3 Vertical reinforcement 12 is reliably connected after slurry;
Level connection joint process is:
Level puts one cast-in-place connecting pole 8 of setting, cast-in-place connection between several prefabricated panels 1, contiguous prefabricated wallboard 1 Mat surface of the post 8 respectively with its both sides prefabricated panel 1 is fitted, and the outside of prefabricated panel 1 at most edge sets cast-in-place vertical edges structure Part 2, the medial surface of cast-in-place vertical edges component 2 is fitted with the lateral surface of prefabricated panel 1 at most edge, by the exposed of horizontal reinforcement 11 Part is nested with the vertical muscle of cast-in-place connecting pole 8 and cast-in-place vertical edges component 2, and reliable anchor is realized in spot welding one by one in junction Gu;
Wherein, the horizontal reinforcement 11 in the prefabricated panel 1 of the top is also nested with the vertical muscle of constraint concealed beam, and in junction one One spot welding;
The template support of edge member 2 is finally carried out, and pours polypropylene fibre sludge ceramsite concrete, assembled is formed Wall.
As shown in figure 5, the preferable size of gained wall is as follows:It is 1350mm, concealed beam that concealed beam bottom spacing is arrived at the top of bottom girder Height 200mm, cast-in-place vertical edges surface member width 200mm, cast-in-place vertical edges component inner concrete epidermis to wallboard most external Bar spacing is 85, and wallboard bottommost reinforcing bar is 30mm away from bottom girder concrete jacket spacing.Inside " well " font arrangement of reinforcement wallboard not Only steel content is low, and stress performance is good, energy-dissipating and shock-absorbing, Ductility Design are excellent, material application is reasonable.This structure not only meets routine Civil buildings use requirement, also with high capacity, anti-seismic performance is good the characteristics of;It can realize that wallboard is mass produced, be conducive to Realize building industrialization.

Claims (2)

1. the construction method of the assembled polypropylene fibre sludge ceramsite concrete wall connected based on mat surface, the wall bag Include:
Prefabricated panel (1), its left and right side is mat surface (13), built-in horizontal reinforcement (11) and vertical reinforcement (12);
Cast-in-place connecting pole (8), is connected with prefabricated panel (1) by the mat surface (13), built-in vertical muscle, the vertical muscle and level Reinforcing bar (11) is nested, and in junction, reliable anchoring is realized in spot welding one by one, forms the attachment structure of horizontal direction;
Cast-in-place vertical edges component (2), is connected with the outside of edge prefabricated panel (1) by the mat surface (13), built-in vertical Muscle, the vertical muscle is nested with horizontal reinforcement (11), and in junction, reliable anchoring is realized in spot welding one by one, forms the company of horizontal direction Binding structure;
Sleeve (3) with tongue and groove, is arranged in prefabricated panel (1), and the upper end insertion top of the vertical reinforcement (12) is pre- In the sleeve (3) of wallboard (1) processed, being reliably connected and pouring for vertical reinforcement (12) and sleeve (3) is realized after injection grouting material hardening Polypropylene fibre sludge ceramsite concrete is built, the attachment structure of vertical direction is formed;
Wherein, the prefabricated panel (1) is made up of polypropylene fibre sludge ceramsite concrete, the polypropylene fibre sludge ceramsite The proportioning of concrete is:
It is made up of per cubic meter of concrete following component:Polypropylene fibre 0.6kg~1.2kg, sludge ceramsite 516kg, cement 400kg, water 180kg and sand 819kg;
The horizontal reinforcement (11) and vertical reinforcement (12) are double muscle on the left and right directions and fore-and-aft direction of prefabricated panel (1) Form, double muscle spacing 50mm, i.e. four horizontal reinforcements (11) and four vertical reinforcements (12) constitute a unit, and one prefabricated There is the interconnection in order of multiple units in wallboard (1);
The wallboard thickness of the prefabricated panel (1) is 100mm, and wall-plate level is 1330mm, and panel width is 950mm, is set thereon The concrete cover that thickness is 10mm is equipped with, the anchorage length of steel bar of vertical reinforcement (12) is 190mm, horizontal reinforcement (11) Anchorage length of steel bar be 215mm, the most external reinforcing bar of vertical reinforcement (12) to concrete outward flange spacing is 60mm;
It is characterised in that it includes following steps:
Step one:Prepare polypropylene fibre sludge ceramsite concrete
First mixing polypropylene fibre and sludge ceramsite causes polypropylene fibre to be dispersed in sludge ceramsite;It will obtain again Mixture and sand and cement mixing, first do stirring and add water stirring;Mixing time is consistent with normal concrete, obtains polypropylene Fiber sludge haydite concrete;
Step 2:Prepare prefabricated panel (1)
Mat surface steel form, assembling reinforcement mesh sheet are assembled first, and sleeve (3) is embedded to prefabricated panel (1) lower end in advance;Then With gained polypropylene fibre sludge ceramsite concreting, prefabricated panel (1) is preliminarily formed;1~2d of last standard curing, is removed Steel form, forms the concrete panel that level connection joint mode is mat surface, wherein horizontal reinforcement (11) and vertical reinforcement (12) End is exposed;
Step 3:Assembled wall one-piece casting
Vertically connection procedure is:
Several prefabricated panels (1) are put up and down, and the exposed parts of vertical reinforcement (12) upper end of bottom prefabricated panel (1) are inserted Enter in the pre-buried sleeve (3) of top prefabricated panel (1), then adjust the positioning of each prefabricated panel (1), pass through sleeve (3) side wall It is in the milk, is reliably connected vertical reinforcement (12) after plasma discharge;
Level connection joint process is:
Level puts one cast-in-place connecting pole (8) of setting, cast-in-place company between several prefabricated panels (1), contiguous prefabricated wallboard (1) Connect mat surface of the post (8) respectively with its both sides prefabricated panel (1) to fit, set cast-in-place perpendicular on the outside of the prefabricated panel (1) at most edge To edge member (2), the medial surface of cast-in-place vertical edges component (2) is fitted with prefabricated panel (1) lateral surface at most edge, by water The exposed parts of flat reinforcing bar (11) are nested with the vertical muscle of cast-in-place connecting pole (8) and cast-in-place vertical edges component (2), and in junction Reliable anchoring is realized in spot welding one by one;
Wherein, the horizontal reinforcement (11) in the prefabricated panel (1) of the top is also nested with the vertical muscle of constraint concealed beam, and in junction one One spot welding;
The template support of edge member (2) is finally carried out, and pours polypropylene fibre sludge ceramsite concrete, assembled wall is formed Body.
2. the assembled polypropylene fibre sludge ceramsite concrete wall connected according to claim 1 based on mat surface is applied Work method, it is characterised in that in the step 3, the intensity of prefabricated panel (1) reaches to enter during more than the 75% of design load Row construction.
CN201510117560.XA 2015-03-17 2015-03-17 The assembled polypropylene fibre sludge ceramsite concrete wall and its construction method connected based on mat surface Active CN104712079B (en)

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CN107217855A (en) * 2016-03-21 2017-09-29 温州中城建设集团有限公司 A kind of ceramsite concrete light-weight structural wall board construction
CN106584672B (en) * 2016-12-29 2019-03-15 淮阴工学院 The production method of pin-connected panel prefabricated panel equipped with concealed beam
CN106988482A (en) * 2017-04-07 2017-07-28 中建科技有限公司深圳分公司 Sleeve connection prefabricated panel and its making, transport, installation method
CN107762057A (en) * 2017-10-12 2018-03-06 西安建筑科技大学 A kind of two-way combined wall board of assembled and its construction method
CN109868903B (en) * 2019-03-11 2023-08-22 沙洲职业工学院 Lower grouting construction method for assembled building
CN111809792B (en) * 2020-07-04 2021-11-05 上海弘昊建材有限公司 Assembled precast concrete wallboard

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CN100386487C (en) * 2006-01-13 2008-05-07 姚谦峰 Multi-rib structure system and its connection construction method
CN101818527B (en) * 2010-06-04 2011-07-20 北京万科企业有限公司 Assembled integral shear wall structure system and construction method thereof
US8458972B1 (en) * 2011-03-31 2013-06-11 Matthew Stodola Method and apparatus for securing non-load bearing walls
CN102490247B (en) * 2011-12-12 2013-10-09 马鞍山科诺墙体材料制造有限公司 Method for preparing self-thermal-insulation concrete building block
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