CN110499858A - Exempt to tear non-metallic floor solid model superimposed sheet, corresponding floor structure and flooring construction method open - Google Patents

Exempt to tear non-metallic floor solid model superimposed sheet, corresponding floor structure and flooring construction method open Download PDF

Info

Publication number
CN110499858A
CN110499858A CN201810481897.2A CN201810481897A CN110499858A CN 110499858 A CN110499858 A CN 110499858A CN 201810481897 A CN201810481897 A CN 201810481897A CN 110499858 A CN110499858 A CN 110499858A
Authority
CN
China
Prior art keywords
plate
superimposed sheet
reinforcing bar
solid
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810481897.2A
Other languages
Chinese (zh)
Inventor
侯建群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongqingda Technology Co Ltd
Original Assignee
Zhongqingda Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongqingda Technology Co Ltd filed Critical Zhongqingda Technology Co Ltd
Priority to CN201810481897.2A priority Critical patent/CN110499858A/en
Publication of CN110499858A publication Critical patent/CN110499858A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work

Abstract

The present invention relates to exempt to tear non-metallic floor solid model superimposed sheet, corresponding floor structure and flooring construction method open, the solid model superimposed sheet includes bottom plate and a steel mesh and multiple steel bar girders above the bottom plate, the bottom plate uses nonmetal plate, and there are spacing between the bottom plate of the steel bar girder and the plate upper surface.The flooring exempts to tear open non-metallic floor solid model superimposed sheet as the permanent template of bed die using described, and the upper surface of permanent template is cast-in-place concrete layer.The construction method exempts to tear open non-metallic floor solid model superimposed sheet as permanent template described in using, setting support system and by it is described exempt to tear non-metallic floor solid model superimposed sheet open be installed in place to form flooring bed die, the cast-in-place concrete layer is poured on the bed die, is not removed after consolidation and described is exempted to tear non-metallic floor solid model superimposed sheet open.The preparation process of solid model superimposed sheet of the present invention is simple, with short production cycle, at low cost, and site operation is convenient, and the flooring of formation has the texture and quality that meet people's habit, facilitates finishing.

Description

Exempt to tear non-metallic floor solid model superimposed sheet, corresponding floor structure and flooring construction method open
Technical field
The present invention relates to exempt to tear non-metallic floor solid model superimposed sheet open, using the flooring and this building of this solid model superimposed sheet The construction method in face belongs to building field.
Background technique
The formwork erection of cast-in-situ floor and dismounting are extremely complex, take time and effort, not only seriously restrict production efficiency, cause The raising of construction cost, and increase labor intensity, aggravating laboring environment.
To simplify technique, people attempt to use permanent template (or solid model), the concrete of permanent template and cast in situs (cast-in-place concrete layer) is consolidated, and forms a part of floor structure, thus at least eliminates form removable workload, In more successful technology include profiled sheet and steel bar girder concrete folding plate.Since the material feature of profiled sheet is uncomfortable People's living habit and fitting-up requirement are answered, and there are many defects such as perishable and construction inconvenience, adaptation occasion is few, at present Often it is only used for the not high industrial premises of means suitable.
Steel bar girder concrete folding plate is that the concrete layer of flooring is divided into two-step pouring, first with steel bar girder and under Layer reinforcing bar is skeleton, pours out lower concrete layer in factory, forms precast slab, and the top of steel bar girder is from concrete The upper surface of native plate is exposed, and is lifted by the exposed reinforcing bar that winds up, and bed die is used as after being installed in place at the scene, carries out second Secondary concreting, cast-in-place upper concrete layer and prefabricated lower concrete layer consolidation are integral, form laminated floor slab.In addition, For technologic convenience, upper one layer of metal plate can also be directly welded in the bottom of steel bar girder, using the metal plate as in advance Thus the bed die that concrete layer processed pours makes the bottom of precast slab with one layer of metal plate, after the completion of cast in situs, This layer of metal plate is removed again, and close the truss bars exposed because of steel plate dismounting with glue mud isocolloid material is mixed.
Existing steel bar girder concrete folding plate significantly reduces the complexity that Site Template installs, and without carrying out Form removable, the setting of steel bar girder also contribute to improving globality, facilitate the operations such as lifting, therefore excellent with certain technology Gesture, but also suffer from certain drawbacks: first is that it is prefabricated to carry out lower concrete layer in factory, not only significantly extending the production cycle, And it needs to increase except conventional mechanical process equipment concrete stirring, a series of special installations such as pour and conserve and set It applies, has increased considerably and taken up a large area, be greatly improved the load-bearing capacity requirement of workshop, severe exacerbation working environment, In turn but also the cost of this precast concrete is much higher than the cost of poured in place concrete, and significantly increases transport and deposit Other relevant costs such as storage;Second is that connection reinforcing bar (usually by concrete layer longitudinal reinforcement and/or transverse steel from End or side extend out) at the scene install when often by the reinforcing bar on support (usually beam or wall through arrangement of reinforcement) It hinders, because connection reinforcing bar is fixedly arranged on concrete layer, exposed parts are shorter, and it is not flexible, to bypass the resistance of support reinforcing bar That keeps off is difficult, and reinforcing bar will be connected by, which often having in practice, cuts off, and thus can seriously affect bonding strength;Third is that especially For two-way slab, the hoard strip that gap is formed between precast slab is wider, still will cause biggish branch striking job Amount;Fourth is that adhesion strength is significantly lower than the concrete strength of one-stop operation between prefabricated and cast-in-place both concrete layers, building is influenced Plate quality, and be easy to crack occur.In addition, when metal plate is arranged in the bottom of precast slab, although facilitating or simplifying Related process, but the workload that metal plate is removed is very big, and the metal plate after dismounting usually there will be a large amount of damages, influences again It uses, causes certain waste, can't see after removing exposed truss bars after metal plate although blocking from appearance, block material Material can not form effective overcoat thickness, and the adhesion strength of plugging material and periphery material is relatively low, be easy to surface layer stripping occur From it is exposed with steel bar corrosion the problems such as.
Summary of the invention
In order to solve the above technical problems, exempting to tear non-metallic floor solid model superimposed sheet, a kind of use open the present invention provides one kind The flooring of this solid model superimposed sheet and a kind of construction method of this flooring, this solid model superimposed sheet are suitable as flooring forever Long template, preparation process is simple, with short production cycle, at low cost, and site operation is convenient, advantageously ensures that the quality of flooring, shape At flooring have meet people habit texture and quality, facilitate finishing.
The technical scheme is that
One kind is exempted to tear non-metallic floor solid model superimposed sheet open, steel mesh and reinforcing bar purlin including bottom plate and above the bottom plate Frame, the bottom plate use nonmetal plate, and there are spacing between the bottom plate of the steel bar girder and the plate upper surface.
The connector for corresponding steel bar girder and the bottom plate to be fixed together can be equipped with.
The connector can inverted V shaped, U-shaped or C-shaped, the inverted V-shaped connector is buckled on corresponding steel bar girder, Two stabilizer blades of bottom pass through self-tapping screw respectively or other suitable way are fastened on the bottom plate;The U-shaped connector Equipped with symmetrical left and right snap-gauge, and it is equipped with integrated base or independent seats as cushion block, when equipped with independent seats On, the left and right snap-gauge is fixedly connected with snap-gauge bottom plate, and the snap-gauge bottom plate is arranged in the independent seats, described left and right Snap-gauge is stuck on the outside of the lower edge muscle of the steel bar girder corresponding side;The C-shaped joint includes symmetrical left connection Part and right connector, the left connector and right connector are respectively equipped with the unilateral snap-gauge of respective corresponding side and as cushion blocks Unilateral snap-gauge pedestal, the unilateral side snap-gauge pedestal be preferably with the unilateral snap-gauge it is integrated, the left and right connector is set respectively There is the corresponding side in the steel bar girder, unilateral snap-gauge is stuck on the outside of the corresponding lower edge muscle of the steel bar girder.
A kind of flooring, the permanent template including being used as bed die, the upper surface of described permanent template is cast-in-place concrete layer, described Permanent template using it is disclosed by the invention any one exempt to tear open non-metallic floor solid model superimposed sheet, it is described exempt to tear non-metallic floor open it is solid Steel bar girder in mould superimposed sheet is fixedly arranged in the cast-in-place concrete layer, described to exempt to tear open in non-metallic floor solid model superimposed sheet Longitudinal reinforcement constitutes lower layer's longitudinal reinforcement, and the end connection reinforcing bar for exempting to tear open in non-metallic floor solid model superimposed sheet constitutes lower layer end Connect reinforcing bar.
A kind of construction method of flooring, the flooring are to exempt to tear non-metal bottom open described in any one use disclosed by the invention Flooring of the plate solid model superimposed sheet as permanent template is arranged described in being used to support and exempts to tear the support of non-metallic floor solid model superimposed sheet open System, by it is described exempt to tear non-metallic floor solid model superimposed sheet open be installed in place, according to flooring width and described exempt to tear non-metallic floor open The width of solid model superimposed sheet, through splicing or without the bed die being spliced to form for pouring the cast-in-place concrete layer, described The cast-in-place concrete layer is poured on bed die, do not removed after consolidation it is described exempt to tear open non-metallic floor solid model superimposed sheet, described in formation Flooring.
The beneficial effects of the present invention are: since the solid model superimposed sheet of factory's preparation does not set concrete layer, process equipment Simple with processing technology, the influence to operating environment is small, and operation is convenient, reduces labor intensity, improves work situation, and nothing Equipment relevant to concrete and facility need to be set, and occupied area is few, significantly reduces production equipment and facility investment;Due to Without expending the concrete curing time in solid model superimposed sheet preparation process, hence it is evident that shorten the production cycle, improve production efficiency; It is low to the load-bearing capacity requirement of workshop since solid model superimposed sheet is light-weight, allow to set multilayer for workshop, further reduced The land occupation requirement of solid model superimposed sheet processing, while the load in a series of links such as also mitigate storage, transport and lifting;Due to The bottom of solid model superimposed sheet does not set metal plate, eliminates metal plate and removes process, and can pass through the side of any suitables such as cushion block Formula forms effective protective layer thickness between steel bar girder and non-metallic floor, avoids the workload and material of metal plate dismounting Material waste, and help to ensure that the protection effect of reinforcing bar, avoid the steel bar corrosion caused by setting bottom metal;Due to can be with It relies on steel bar girder plate to carry out arrangement of reinforcement and is not fixedly arranged in precast concrete, the movable range for connecting reinforcing bar is big, it is readily bent, When being interfered in field-mounted process by support reinforcing bar, is broken with hand and wait plain modes that can get around support reinforcing bar, be installed to Position, thus greatly facilitates operation, avoids and has to connect reinforcing bar partition because that can not get around support reinforcing bar;The bottom of due to Portion can use the various building boards suitable for indoor wall, and connect reinforcing bar and do not stopped by concrete layer and can be prolonged Above the bottom plate for extending to adjacent solid model superimposed sheet, with the corresponding Bar Anchorage on corresponding solid model superimposed sheet, adjacent solid model superimposed sheet Bottom plate between can according to need there are adjustment seam or not there are adjustment seam (in practice usually can will adjustment seam control exist Within 10mm), seam areas is bonded in from bottom plate bottom surface with adhesive tape, it will be able to which gap is without influencing cast-in-place coagulation between blocking plate Soil layer pours, thus avoid because hoard strip it is wide caused by workloads and the physical deterioration such as branch demoulding;Since bottom plate is adopted There is the non-metal board for building of a large amount of wooden, inorganic, mixing material and other forms with non-metal board, under the prior art Material has suitable thickness and is convenient for machining, these plates are not only at low cost, and environmental-friendly, intensity is also apparently higher than often The profiled sheet seen, convenient working and helps to ensure that concrete floor slab placement quality, and texture and quality meet the Habit Preference of people And requirement, and there is good surface smoothness and the adaptability to decorations.
Detailed description of the invention
Fig. 1 is the schematic diagram of two-way slab (side plate) (connector is not drawn into, similarly hereinafter);
Fig. 2 is A-A schematic diagram corresponding with Fig. 1;
Fig. 3 is B-B schematic diagram corresponding with Fig. 1;
Fig. 4 is C partial enlarged view corresponding with Fig. 3;
Fig. 5 is the schematic diagram of two-way slab (intermediate plate);
Fig. 6 is D-D schematic diagram corresponding with Fig. 5;
Fig. 7 is the schematic diagram of one-way slabs;
Fig. 8 is E-E schematic diagram corresponding with Fig. 7;
Fig. 9 is to be related to the schematic diagram of two-way slab splicing seams;
Figure 10 is to be related to the schematic diagram of one-way slabs splicing seams;
Figure 11 is to be related to the schematic diagram of solid model superimposed sheet end support;
Figure 12 is to be related to the schematic diagram of the collateral seat of one-way slabs;
Figure 13 is to be related to the schematic diagram of the collateral seat of two-way slab;
Figure 14 is to be related to a kind of schematic diagram of connector;
Figure 15 is the schematic diagram of connector connection type shown in Figure 14;
Figure 16 is to be related to the schematic diagram of alternative attachment;
Figure 17 is the schematic diagram of connector connection type shown in Figure 16;
Figure 18 is the control schematic diagram of symmetrical two kinds of C-shaped joints (positive C-shaped and reverse c-shape).
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As shown in Fig. 1-18, it is provided by the invention exempt to tear non-metallic floor solid model superimposed sheet (abbreviation solid model superimposed sheet) open include Bottom plate 50 and steel bar girder 30 and steel mesh above the bottom plate, the steel mesh can be set in steel bar girder and pad Between block, to facilitate processing, the bottom plate uses nonmetal plate, the bottom plate of the steel bar girder and the plate upper surface it Between there are spacing.
This solid model superimposed sheet does not set concrete layer, especially concrete layer is not arranged for base plate strength, But it can sprayed interfacial layer, oxygen barrier fireprotection layer or erosion resistant coating etc. according to actual needs.
The steel bar girder can use the prior art of any suitable, can usually be equipped with wind up muscle 32, lower edge muscle 31 And it is fixedly connected on the abdomen muscle 33 to wind up between muscle and lower edge muscle, a kind of common embodiment is wind up muscle and lower edge muscle product word Shape distribution, two sides are respectively set abdomen muscle, and abdomen muscle is wavy or zigzag, and upper end, which is welded on, winds up on muscle, and lower end is welded on phase It answers on the lower edge muscle of side.
The steel bar girder usually answer it is longitudinally disposed, to adapt to force-bearing situation.
The quantity of the steel mesh is set as any amount, typically 1, the steel bar girder according to actual needs Quantity be set as any amount according to actual needs, it is usually multiple, for example, two, three or four.
The concrete conditions such as board width and stress can be overlapped according to solid model and steel bar girder is set, when equipped with multiple steel bar girders When, each steel bar girder is parallel to each other and is located relative on the sustained height of bottom plate, between usual each adjacent steel bar girder Spacing it is equal.
When necessary, longitudinal reinforcement truss and transverse steel truss, the longitudinal reinforcement truss and cross can also be set simultaneously Be located relative on the sustained height of bottom plate to steel bar girder and intersect it is grid-shaped, to allow using bigger width or Person is adapted to special stress occasion.
Between being formed between the steel bar girder and the bottom plate by the way of any suitable and keep described Away from for example, a kind of preferred embodiment are as follows: the steel bar girder and steel mesh are used to support out phase with being equipped between the bottom plate Answer the cushion block 20 of spacing, the cushion block quantity being arranged under same steel bar girder be it is multiple, the cushion block is fixedly connected on the bottom plate On, this spacing is formed and hold mode structure is simple, good reliability, and facilitates the stabilization of steel bar girder.
The cushion block can use the material of any suitable, for example, a kind of preferred embodiment be using concrete pad, with Just it is integrated with cast-in-place concrete consolidation;Another preferred embodiment is to use wooden cushion block.When using wooden cushion block or its When his appropriate materials, the cushion block preferably passes through self-tapping screw 21 and is fastened on the bottom plate, thereby facilitates cushion block in bottom plate On installation fix, be conducive to mechanization or automation processing.
The bottom plate can use the nonmetal plate of any suitable form, such as various be suitable as the nonmetallic of metope Building board to adapt to requirement of the people to ceiling texture, and is adapted to machining mode and processes, helps to realize machinery Change and automation is processed.
For example, a preferred embodiment is using wood powder or other biological matter fine particulate/pulverulent material as primary raw material Or one of primary raw material, it is mixed with cementability inorganic material, is formed by curing phase through spontaneous curing or the equal suitable way that are heating and curing The nonmetal plate answered.This kind of nonmetal plate usually has the intensity of adaptation, indeformable, is adapted to the machinery such as cutting, punching Processing, and this kind of plate under prior art background for building usually has good flame retardant property.For statement on convenience, Wooden boards or wooden cushion block will be referred to as using the above-mentioned bottom plate for preventing preparation or cushion block.
The steel mesh includes several longitudinal reinforcements 40 and several transverse steels 10, can be the steel mesh of a full wafer, It is also possible to connect into a steel mesh by multi-disc steel mesh.
Longitudinal reinforcement and transverse steel in the steel mesh can be welded to each other or anchor connection in crossover sites, Can using it is any other it is suitable by the way of form steel mesh.
The transverse steel may be used as distributing reinforcement, be also used as principal rod, to adapt to the phase of one-way slabs and two-way slab It should require.
Transverse steel in the steel mesh is preferably placed at below longitudinal reinforcement, and the steel bar girder is supported on the steel The upper surface of muscle net, it is possible thereby to keep the lower edge muscle of steel bar girder in the same plane with longitudinal reinforcement and be parallel to each other.It will indulge After being fixedly connected into steel mesh in advance to reinforcing bar and transverse steel, be conducive to improve globality, prevent reinforcing bar mobile or be detached from, it is special It is not to be conducive to automation processing, reduces the movement of processing equipment, improve production efficiency.
Lower edge muscle (truss bars positioned at truss bottom and longitudinally extended) and the lateral steel in the steel bar girder Muscle is in contact and is not in contact with the longitudinal reinforcement.
When being equipped with the cushion block for being used to support out corresponding spacing between the steel bar girder and bottom plate, the upper table of the cushion block Face is preferably provided with the slot that can place and fix the transverse steel, and this slot can use the shape of any suitable, can be It is semicircular, it is also possible to V-arrangement or U-shaped etc..At least one transverse steel is pressed in the upper surface of described cushion block, is pressed in described Transverse steel above cushion block is embedded in the slot of the cushion block upper surface.
The described longitudinal reinforcement in the both ends of this solid model superimposed sheet in the longitudinal direction, at least partly (usually all) is from described The respective end of bottom plate extends out, and forms corresponding end connection reinforcing bar.
Any side of the solid model superimposed sheet horizontally can have at least partly (usually whole) described lateral steel Muscle extends out from the corresponding side of the bottom plate, forms corresponding side connection reinforcing bar, be also possible to whole transverse steels not from The side of the bottom plate extends out, and the two-way slab (as shown in Figure 1 and Figure 5) or one-way slabs of different force way is consequently formed (as shown in Figure 7).
The length and shape of the side connection reinforcing bar of same solid model superimposed sheet two sides can be identical, can not also be identical.
For the intermediate plate (referring to figs. 5 and 6) in two-way slab, its two sides is adjacent with other two-way slabs when use, because This two sides side connection reinforcing bar length and shape usually can be it is identical, and preferably side connection reinforcing bar outer end be equipped with it is curved 11 are hooked, it can be upwards 45 ° or so to the angle between back bending, with non-bending part that hook direction, which is oblique, for example, 30 °- 60°。
For two-way side plate (referring to Fig. 1 and Fig. 2), one side and other two-way slabs are adjacent, and the side of the side connects reinforcing bar Length and shape it is usually identical or similar as the side of intermediate plate connection reinforcing bar, and the other side and collateral seat are adjacent, the side of the side Connection reinforcing bar can not usually set hook.
It can be according to actual needs independently of longitudinal reinforcement or cross by end connection reinforcing bar and/or side connection steel-bar arrangement To the independent connection reinforcing bar of reinforcing bar, or in the end connection reinforcing bar and/or side connection steel formed by longitudinal reinforcement or transverse steel Increase corresponding independent connection reinforcing bar on the basis of muscle, a part for the reinforcing bar that is independently connected is located at the bottom of corresponding solid model superimposed sheet Above plate, another part is located in the bottom plate top or corresponding support of the corresponding solid model superimposed sheet of the solid model superimposed sheet.Institute State independent connection reinforcing bar can at the scene with other scene setting reinforcing bar (such as upper layer longitudinal reinforcement and upper layer lateral steel Muscle, if any) be arranged together and be finally fixedly arranged in cast-in-place concrete layer.
The connection for corresponding steel bar girder and the bottom plate to be fixed together can be equipped on this solid model superimposed sheet Part 90 makes each section of solid model superimposed sheet be fixed as an entirety, to facilitate carrying and on-site hoisting by connector.
The shape and distribution mode of the connector can use the prior art of any suitable.
A kind of preferred embodiment is (referring to Figure 14 and 15): the connector is inverted V shaped, is buckled in corresponding reinforcing bar purlin On frame, two stabilizer blades of bottom pass through self-tapping screw respectively or other suitable way are fastened on the bottom plate.This connection The specific configuration of part can be with are as follows: and it is inverted V shaped or inverted U-shaped, it is equipped with two sides side plate 94, the bottom end of the side plate is equipped with stabilizer blade 92, institute Stating stabilizer blade preferably is in the tabular flexed outward, and can be equipped with the through-hole 93 that can pass through screw, by this connection when use Part is buckled on corresponding steel bar girder, and two stabilizer blades of bottom pass through self-tapping screw 91 respectively or other suitable way are fastened on On the bottom plate, can by steel bar girder, the reinforcing bar between steel bar girder and bottom or steel mesh, be located at steel bar girder and Cushion block between bottom plate tightens together with the bottom plate, and this connecting-piece structure is simple and connection is firm, and load-bearing capacity is opposite Larger, after enough quantity is arranged according to bearing requirements, permission is directly sling by the muscle that winds up, and is adapted to solid model superimposed sheet Automation processing.
Another preferred embodiment is (referring to Figure 16 and 17): the connector is in U-shape, and using buckle-type, is equipped with two A opposite snap-gauge 96, two snap-gauges opposite tilt setting, the spacing on top is small, and lower part spacing is big, and top be all provided with it is oriented The two sides lower edge muscle of interior hook 98, the steel bar girder is stuck in the snap-gauge of corresponding side.The specific structure of this connector Making can be with are as follows: two snap-gauge is elastic snap-gauge, is fixedly connected on snap-gauge bottom plate 95, under free state between the top of two snap-gauges Away from small, lower part spacing is big, and the hook on top extends internally, and the snap-gauge bottom plate is fixedly mounted on corresponding cushion block, the snap-gauge Bottom plate is fixedly mounted on corresponding cushion block, two snap-gauge can also be directly fixedly mounted on the cushion block, the snap-gauge Bottom plate is equipped with the through-hole 97 for installing screw, and the extension diameter section for accommodating screw terminal can be arranged on the top of through-hole, The two sides lower edge muscle 32 of the steel bar girder is stuck in the snap-gauge of corresponding side, the slot into below the hook of corresponding snap-gauge top This connector is installed on corresponding cushion block by suitable way such as screw fastening, bondings, forms the company for having cushion block by shape area 99 This connection component is fastened on the bottom plate by connected components by tapping screw, and the two sides lower edge muscle of steel bar girder is aligned Two snap-gauges are put down, and the top of two snap-gauges can be strutted by the gravity of steel bar girder itself, are fallen between two snap-gauges, lower edge muscle The flute profile area formed into snap-gauge and its top hook, snap-gauge is by the elastic force of itself from the two sides of two sides lower edge muscle by reinforcing bar purlin Frame blocks, and the tilt angle and the size of each part and elastic force of snap-gauge can be arranged according to actual needs, enables steel bar girder lower part Enough enter between two snap-gauges and is stuck.Additionally, it is preferred that snap-gauge is arranged on the snap-gauge pedestal that can be used as cushion block, and use The integral structures (as shown in figure 16) such as snap-gauge and pedestal integrated molding, while having the function of steel bar girder fixation and cushion block, It, can will be this while having the function of that steel bar girder is fixed and cushion block with tapping screw as installation cushion block with convenient to use Connector be fastened on the bottom plate, the upper surface of the snap-gauge pedestal can be equipped with elongated slot 97, in order to the self tapping spiral shell that is screwed on It follows closely and optimizes snap-gauge elastic force.
Another preferred embodiment is that the connector is C-shaped, is divided into symmetrical two kinds (referring to Figure 18), quite In cutting the above-mentioned connector being in U-shape from centre, the two parts being divided into respectively constitute the unilateral snap-gauge comprising corresponding side In the connector of positive C-shaped and reverse c-shape, both are located at the C-shaped joint of steel bar girder two sides, between preferably waiting in the longitudinal direction Away from distributing alternately, in favor of the installation of steel bar girder.
Above-mentioned be in U-shape can usually be equipped with the pedestal as cushion block with the connector of C-shaped, relative to by these connectors Snap-gauge and corresponding cushion block integrated molding form while having the Integrated connector of cushion block effect and connector effect, can be with For metalwork, or plastic part uses other materials.
Flooring provided by the invention includes the permanent template as bed die, and the upper surface of described permanent template is cast-in-place concrete Layer 70, the permanent template using it is disclosed by the invention any one exempt to tear open non-metallic floor solid model superimposed sheet, it is described exempt to tear open it is non- Steel bar girder in metal base plate solid model superimposed sheet is fixedly arranged in the cast-in-place concrete layer, described to exempt to tear non-metallic floor solid model open Longitudinal reinforcement in superimposed sheet constitutes lower layer's longitudinal reinforcement, the end connection reinforcing bar for exempting to tear open in non-metallic floor solid model superimposed sheet It constitutes lower layer end and connects reinforcing bar.When it is described exempt to tear open in non-metallic floor solid model superimposed sheet be equipped with transverse steel when, it is described exempt to tear open it is non- Transverse steel in metal base plate solid model superimposed sheet constitutes lower layer's transverse steel.Exempt to tear non-metallic floor solid model superimposed sheet open when described In be equipped with side connection reinforcing bar when, it is described exempt to tear open in non-metallic floor solid model superimposed sheet side connection reinforcing bar constitute lower layer side connection steel Muscle.The scene of upper layer longitudinal reinforcement 72 and/or upper layer transverse steel 71 etc. can be carried out before casting concrete according to actual needs The mode of arrangement of reinforcement, the scene arrangement of reinforcement can be according to the prior art.
The flooring should be equipped with end support and collateral seat, connection and support for corresponding site.
The end support includes that end supporter 81(generally can be beam and/or wall of corresponding site etc.), the end supporter It is equipped with the cast-in-place connection space in end corresponding with the end face of the flooring, the upper layer for exempting to tear non-metallic floor solid model superimposed sheet open End connection reinforcing bar connect reinforcing bar with lower layer end and extends to the cast-in-place connection space in the end, it is described exempt to tear non-metallic floor solid model open overlap The bottom plate of plate does not extend in the cast-in-place connection space in the end, (can join there are adjustment seam between the facade of the end supporter See Figure 11).
The upper layer end connection reinforcing bar can situ configuration, typically one in the upper layer longitudinal reinforcement of situ configuration Point, it can also be separately provided or be further added by the basis of the upper layer end formed by upper layer longitudinal reinforcement connects reinforcing bar independent Upper layer end connects reinforcing bar.
It is cast-in-place that longitudinal span of the upper layer end connection reinforcing bar in the cast-in-place connection space in the end is preferably greater than the end Link the half of the span of space in the corresponding direction, the front end of the upper layer end connection reinforcing bar curves downwards vertical section 73, institute It states vertical span of the vertical section of upper layer end connection reinforcing bar in the cast-in-place connection space in the end and is preferably greater than the cast-in-place company in the end The half of the span of space in the corresponding direction is tied, the cast-in-place concrete layer extends to and fills the cast-in-place connection space in the end Interior remaining space, and be consolidated with the end supporter, the upper layer end connection reinforcing bar connects steel with the lower layer end Muscle is fixedly arranged in the cast-in-place concrete layer.
The collateral seat includes that collateral support body 82,83(generally can be beam and/or wall of corresponding site etc.), the collateral support Body is equipped with the cast-in-place connection space in side corresponding with the side of the flooring, described to exempt to tear the upper of non-metallic floor solid model superimposed sheet open Connection reinforcing bar in layer side connect reinforcing bar with lower layer side and extends to the cast-in-place connection space in the side, it is described exempt to tear non-metallic floor solid model open fold The bottom plate of plywood does not extend in the cast-in-place connection space in the side, between the facade of the collateral support body can there are adjustment stitch (referring to Figure 12 and 13).
The upper layer side connection reinforcing bar can situ configuration, typically one in the upper layer transverse steel of situ configuration Point, it can also be separately provided or be further added by the basis of the upper layer side formed by upper layer transverse steel connects reinforcing bar independent Upper layer side connects reinforcing bar.
It is cast-in-place that horizontal span of the upper layer side connection reinforcing bar in the cast-in-place connection space in the side is preferably greater than the side Link the half of the span of space in the corresponding direction, the front side of the upper layer side connection reinforcing bar curves downwards vertical section 74, institute It states vertical span of the vertical section of upper layer side connection reinforcing bar in the cast-in-place connection space in the side and is preferably greater than the cast-in-place company in the side The half of the span of space in the corresponding direction is tied, the cast-in-place concrete layer extends to and fills the cast-in-place connection space in the side Interior remaining space, and be consolidated with the collateral support body, the upper layer side connection reinforcing bar connects steel with the lower layer side Muscle is fixedly arranged in the cast-in-place concrete layer.
When using one-way slabs, transverse steel does not extend out from side to be used as side and to connect reinforcing bar, therefore, usually It answers scene setting lower layer's separate sides to connect reinforcing bar 75, is provided with or without and is connect with lower layer's separate sides under reinforcing bar cooperation Layer connects independent longitudinal reinforcement, and one end of lower layer's separate sides connection reinforcing bar is located above the bottom plate of corresponding one-way slabs, separately One end is located at the cast-in-place connection space in the side, and lower layer's connection is located at the respective edges of the one-way slabs with independent longitudinal reinforcement Region.
When it is described to exempt to tear open non-metallic floor solid model superimposed sheet be two-way slab when, adjacent two exempt to tear non-metallic floor solid model overlapping open 60 can be stitched between the bottom plate of plate 1,2 there are small adjustment, such as no more than 10mm, the lateral connection reinforcing bar of sides adjacent is distinguished The substrate for exempting to tear open non-metallic floor solid model superimposed sheet adjacent thereto is extended to, two is consequently formed and adjacent exempts to tear non-metal bottom open The mutual anchorage zone (referring to Fig. 9) of the lateral connection reinforcing bar of plate solid model superimposed sheet can be arranged as needed in anchorage zone Or it is not provided with longitudinally reinforced reinforcing bar 62.
When it is described to exempt to tear open non-metallic floor solid model superimposed sheet be one-way slabs when, adjacent two exempt to tear non-metallic floor solid model overlapping open Between the bottom plate of plate 3,4 can there are small adjustment to stitch, such as no more than 10mm, the top of two bottom plate seam regions usually may be used Reinforcing bar 61 is connected to be equipped with additional lateral, is provided with or without and adds longitudinally reinforced reinforcing bar 62, the additional lateral connects steel The quantity of muscle is typically multiple, is parallel to each other and is preferably placed on same plane, the additional lateral connect reinforcing bar across Seam between adjacent two bottom plate, both ends are located at the top of adjacent two bottom plate (referring to Figure 10).
When be equipped with add longitudinally reinforced reinforcing bar when, the quantity for adding longitudinally reinforced reinforcing bar be it is multiple, be located at each The top of the self-corresponding bottom plate for exempting to tear open non-metallic floor solid model superimposed sheet, the additional lateral connection reinforcing bar are vertically located at Between lower layer's reinforcing bar and top bars, it is described add longitudinally reinforced reinforcing bar be located at the additional lateral connection reinforcing bar top or under Side, and at mutual crossings on different level contact with each other or adjoin each other (it is adjoining but be not directly contacted with, for example, between the two there are Minor adjustment stitches and/or because of gap caused by processing with assembly precision etc.).
Flooring construction method provided by the invention is to exempt to tear non-metallic floor solid model superimposed sheet open described in setting is used to support Support system, by it is described exempt to tear non-metallic floor solid model superimposed sheet open be installed in place, according to flooring width and it is described exempt to tear open it is non- The width of metal base plate solid model superimposed sheet, through splicing or without the bottom being spliced to form for pouring the cast-in-place concrete layer Mould pours the cast-in-place concrete layer on the bed die, do not removed after consolidation it is described exempt to tear non-metallic floor solid model superimposed sheet open, The flooring is formed, it is described to exempt to tear a part that non-metallic floor solid model superimposed sheet forms the floor structure, the flooring open To exempt to tear flooring of the non-metallic floor solid model superimposed sheet as permanent template open described in any one use disclosed by the invention.
The support system can use the prior art of any suitable.For example, the support system is equipped with strut and position Master at the top of the strut is stupefied, the master is stupefied direct or through time stupefied equal supporting elements be supported on indirectly it is described exempt to tear open it is nonmetallic The bottom of bottom plate solid model superimposed sheet.
When be equipped with it is multiple exempt to tear non-metallic floor solid model superimposed sheet open when, the adjacent bottom for exempting to tear non-metallic floor solid model superimposed sheet open There are adjustment seam or without adjustment seam between plate, with adhesive tape or other be suitable for articles to exempt to tear open non-metallic floor solid model folded from adjacent Joint sealing is lived in the bottom of plywood.
When exempting to tear open due to non-metallic floor solid model superimposed sheet not exclusively adapts to and exist because of flooring developed width and normal width When larger adjustment is stitched, independent bed die can be separately set below the gap, and the set-up mode of independent bed die can be according to existing There is technology.
Of the invention exempts to tear open non-metallic floor solid model superimposed sheet cost significantly lower than existing steel bar girder concrete folding plate Cost, flooring cost of the invention be significantly lower than the existing flooring using steel bar girder concrete folding plate as permanent template Cost.
The present invention is adapted to various floorings (including interlayer flooring, the roofing and other are suitable of various buildings and structures It should be in planar structure of the invention).
It is disclosed by the invention it is each preferably with optional technological means, unless otherwise indicated and one preferably or can selecting technology hand Section is that further limiting for another technological means is outer, can form several different technical solutions in any combination.

Claims (10)

1. one kind is exempted to tear non-metallic floor solid model superimposed sheet open, it is characterised in that the reinforcing bar including bottom plate and above the bottom plate Net and steel bar girder, the bottom plate use nonmetal plate, stay between the bottom plate of the steel bar girder and the plate upper surface There is spacing.
2. solid model superimposed sheet as described in claim 1, it is characterised in that be equipped with and use between the steel bar girder and the bottom plate Overhang the cushion block of corresponding spacing in branch, the cushion block quantity being arranged under same steel bar girder be it is multiple, the cushion block is fixedly connected on On the bottom plate, when using wooden cushion block, the cushion block preferably passes through self-tapping screw and is fastened on the bottom plate.
3. solid model superimposed sheet as described in claim 1, it is characterised in that the quantity of the steel mesh is 1, the reinforcing bar purlin The quantity of frame be it is multiple, the steel mesh includes several longitudinal reinforcements and several transverse steels, the lateral steel in the steel mesh Muscle is preferably placed at below longitudinal reinforcement, and the steel bar girder is supported on the upper surface of described steel mesh, in the steel bar girder Lower edge muscle is in contact with the transverse steel and is not in contact with the longitudinal reinforcement, sets when between the steel bar girder and bottom plate When having the cushion block for being used to support out corresponding spacing, the upper surface of the cushion block, which is preferably provided with, can place and fix the lateral steel The slot of muscle, at least one transverse steel are pressed in the upper surface of described cushion block, the transverse steel insertion institute being pressed in above the cushion block In the slot for stating cushion block upper surface.
4. solid model superimposed sheet as claimed in claim 3, it is characterised in that both ends in the longitudinal direction, at least partly described longitudinal direction Reinforcing bar extends out from the respective end of the bottom plate, forms corresponding end connection reinforcing bar, any side horizontally, when being equipped with When the transverse steel, at least partly described transverse steel extends out from the corresponding side of the bottom plate, forms corresponding side and connects Reinforcing bar is connect, or whole transverse steels do not extend out from the side of the bottom plate.
5. the solid model superimposed sheet as described in claim 1,2,3 or 4, it is characterised in that be equipped with for by corresponding steel bar girder and institute The connector that bottom plate is fixed together is stated, the connector preferably inverted V shaped, U-shaped or C-shaped, the inverted V-shaped connector are buckled in phase On the steel bar girder answered, two stabilizer blades of bottom pass through self-tapping screw respectively or other suitable way are fastened on the bottom plate On;The U-shaped connector is equipped with symmetrical left and right snap-gauge, and is equipped with the integrated base as cushion block or independent bottom Seat, when being equipped in independent seats, the left and right snap-gauge is fixedly connected with snap-gauge bottom plate, and the snap-gauge bottom plate setting is described only On vertical pedestal, the left and right snap-gauge is stuck on the outside of the lower edge muscle of the steel bar girder corresponding side;The C-shaped joint packet Symmetrical left connector and right connector are included, the left connector and right connector are respectively equipped with the unilateral side of respective corresponding side Snap-gauge and unilateral snap-gauge pedestal as cushion block, the unilateral side snap-gauge pedestal are preferably integrated, institutes with the unilateral snap-gauge It states left and right connector and is respectively equipped with corresponding side in the steel bar girder, it is corresponding that unilateral snap-gauge is stuck in the steel bar girder Lower edge muscle on the outside of.
6. a kind of flooring, the permanent template including being used as bed die, the upper surface of described permanent template are cast-in-place concrete layer, feature Be the permanent template using claim 1-5 it is any it is described exempt to tear open non-metallic floor solid model superimposed sheet, it is described exempt to tear open it is non- Steel bar girder in metal base plate solid model superimposed sheet is fixedly arranged in the cast-in-place concrete layer, described to exempt to tear non-metallic floor solid model open Longitudinal reinforcement in superimposed sheet constitutes lower layer's longitudinal reinforcement, the end connection reinforcing bar for exempting to tear open in non-metallic floor solid model superimposed sheet Constitute lower layer end connect reinforcing bar, when it is described exempt to tear open in non-metallic floor solid model superimposed sheet be equipped with transverse steel when, it is described exempt to tear open it is non- Transverse steel in metal base plate solid model superimposed sheet constitutes lower layer's transverse steel, exempts to tear non-metallic floor solid model superimposed sheet open when described In be equipped with side connection reinforcing bar when, it is described exempt to tear open in non-metallic floor solid model superimposed sheet side connection reinforcing bar constitute lower layer side connection steel Muscle.
7. flooring as claimed in claim 6, it is characterised in that be equipped with end support and collateral seat, the end support includes end support Body, the end supporter is equipped with the cast-in-place connection space in end corresponding with the end face of the flooring, described to exempt to tear non-metallic floor open The upper layer end connection reinforcing bar of solid model superimposed sheet connects reinforcing bar with lower layer end and extends to the cast-in-place connection space in the end, it is described exempt to tear open it is non- The bottom plate of metal base plate solid model superimposed sheet does not extend in the cast-in-place connection space in the end, and the upper layer end connection reinforcing bar is described Longitudinal span in cast-in-place connection space is held to be preferably greater than the half of the span of the cast-in-place connection space in the end in the corresponding direction, The front end of the upper layer end connection reinforcing bar curves downwards vertical section, and the vertical section of the upper layer end connection reinforcing bar is cast-in-place at the end Vertical span in connection space is preferably greater than the half of the span of the cast-in-place connection space in the end in the corresponding direction, described existing Pouring concrete layer extends to and fills the remaining space in the cast-in-place connection space in the end, and is fixedly arranged at one with the end supporter It rises, the upper layer end connection reinforcing bar connects reinforcing bar with the lower layer end and is fixedly arranged in the cast-in-place concrete layer, the collateral seat Including collateral support body, the collateral support body is equipped with the cast-in-place connection space in side corresponding with the side of the flooring, described to exempt to tear open The upper layer side connection reinforcing bar of non-metallic floor solid model superimposed sheet connects reinforcing bar with lower layer side and extends to the cast-in-place connection space in the side, The bottom plate for exempting to tear open non-metallic floor solid model superimposed sheet does not extend in the cast-in-place connection space in the side, the upper layer side connection Horizontal span of the reinforcing bar in the cast-in-place connection space in the side is preferably greater than the cast-in-place connection space in the side in the corresponding direction The half of span, the front side of the upper layer side connection reinforcing bar curve downwards vertical section, the vertical section of the upper layer side connection reinforcing bar Vertical span in the cast-in-place connection space in the side is preferably greater than the span of the cast-in-place connection space in the side in the corresponding direction Half, the cast-in-place concrete layer extend to and fill the side it is cast-in-place connection space in remaining space, and with the side Supporter is consolidated, and the upper layer side connection reinforcing bar connects reinforcing bar with the lower layer side and is fixedly arranged at the cast-in-place concrete layer It is interior.
8. flooring as claimed in claims 6 or 7, it is characterised in that exempt to tear non-metallic floor solid model superimposed sheet open to be two-way when described When plate, the lateral connection reinforcing bar of sides adjacent is extended respectively on the bottom plate for exempting to tear open non-metallic floor solid model superimposed sheet adjacent thereto Face forms the mutual anchorage zone of the two adjacent lateral connection reinforcing bars for exempting to tear open non-metallic floor solid model superimposed sheet, exempts to tear open when described When non-metallic floor solid model superimposed sheet is one-way slabs, the top of two bottom plate seam regions is equipped with additional lateral and connects reinforcing bar, is equipped with Or be not provided with and add longitudinally reinforced reinforcing bar, the additional lateral connects reinforcing bar across the seam between adjacent two bottom plate, both ends It is located at the top of adjacent two bottom plate, the additional lateral connection reinforcing bar is vertically located at corresponding lower layer's reinforcing bar and upper layer steel It is described to add longitudinally reinforced reinforcing bar and be located above or below additional lateral connection reinforcing bar between muscle, and mutual It contacts with each other or adjoins each other at crossings on different level.
9. a kind of construction method of flooring, the flooring is flooring as claimed in claim 6 to 8, and setting is used to support described The support system for exempting to tear open non-metallic floor solid model superimposed sheet, by it is described exempt to tear non-metallic floor solid model superimposed sheet open be installed in place, pass through Splice or without the bed die being spliced to form for pouring the cast-in-place concrete layer, is poured on the bed die described cast-in-place mixed Solidifying soil layer, do not remove after consolidation it is described exempt to tear non-metallic floor solid model superimposed sheet open, form the flooring.
10. construction method as claimed in claim 9, it is characterised in that exempt to tear non-metallic floor solid model superimposed sheet open when equipped with multiple When, it is adjacent exempt to tear open between the bottom plate of non-metallic floor solid model superimposed sheet there are adjustment seam or without adjustment seam, with adhesive tape or its He is suitable for that article lives joint sealing from the adjacent bottom for exempting to tear open non-metallic floor solid model superimposed sheet, and the support system is equipped with branch Bar and master at the top of the strut are stupefied, and the master is stupefied to be directed or through time stupefied equal supporting elements and be supported on indirectly and described exempt to tear open The bottom of non-metallic floor solid model superimposed sheet.
CN201810481897.2A 2018-05-18 2018-05-18 Exempt to tear non-metallic floor solid model superimposed sheet, corresponding floor structure and flooring construction method open Pending CN110499858A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810481897.2A CN110499858A (en) 2018-05-18 2018-05-18 Exempt to tear non-metallic floor solid model superimposed sheet, corresponding floor structure and flooring construction method open

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810481897.2A CN110499858A (en) 2018-05-18 2018-05-18 Exempt to tear non-metallic floor solid model superimposed sheet, corresponding floor structure and flooring construction method open

Publications (1)

Publication Number Publication Date
CN110499858A true CN110499858A (en) 2019-11-26

Family

ID=68584104

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810481897.2A Pending CN110499858A (en) 2018-05-18 2018-05-18 Exempt to tear non-metallic floor solid model superimposed sheet, corresponding floor structure and flooring construction method open

Country Status (1)

Country Link
CN (1) CN110499858A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111608308A (en) * 2020-05-19 2020-09-01 黄通 Distributed three-dimensional factory floor and preparation method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040148885A1 (en) * 2003-02-03 2004-08-05 Coperlegno S.R.L. Prefabricated components for making floor slabs, floors and walls with exposed wood beams for small buildings
CN103352563A (en) * 2013-07-16 2013-10-16 上海建工集团股份有限公司 Self plate-bearing type steel bar mesh support combined template and construction method thereof
CN104863296A (en) * 2015-04-03 2015-08-26 石云锦 Integrally modular steel bar truss floor plate and construction method thereof
CN204738431U (en) * 2015-07-03 2015-11-04 重庆东冶建设有限公司 Exempt from to tear open formula truss building carrier plate
CN107893477A (en) * 2017-12-12 2018-04-10 呼和浩特市中朵兴泰远大建筑工业有限公司 Overlap wall and horizontal member connecting node and its construction method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040148885A1 (en) * 2003-02-03 2004-08-05 Coperlegno S.R.L. Prefabricated components for making floor slabs, floors and walls with exposed wood beams for small buildings
CN103352563A (en) * 2013-07-16 2013-10-16 上海建工集团股份有限公司 Self plate-bearing type steel bar mesh support combined template and construction method thereof
CN104863296A (en) * 2015-04-03 2015-08-26 石云锦 Integrally modular steel bar truss floor plate and construction method thereof
CN204738431U (en) * 2015-07-03 2015-11-04 重庆东冶建设有限公司 Exempt from to tear open formula truss building carrier plate
CN107893477A (en) * 2017-12-12 2018-04-10 呼和浩特市中朵兴泰远大建筑工业有限公司 Overlap wall and horizontal member connecting node and its construction method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
中国建筑标准设计研究院,: "《桁架钢筋混凝土叠合板 15G366-1》", 1 March 2015, 中国计划出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111608308A (en) * 2020-05-19 2020-09-01 黄通 Distributed three-dimensional factory floor and preparation method

Similar Documents

Publication Publication Date Title
US8234827B1 (en) Express framing building construction system
US8499511B2 (en) Precast composite structural floor system
CN102209821A (en) Formed steel beam for steel-concrete composite beam and slab
FI91180C (en) Prefabricated building foundation element
CN108625489A (en) A kind of steel bar girder edges of boards portion and connection joints of steel structure structure
CN208815740U (en) Exempt to tear non-metallic floor solid model superimposed sheet and corresponding floor structure open
CN110499858A (en) Exempt to tear non-metallic floor solid model superimposed sheet, corresponding floor structure and flooring construction method open
CN109811878A (en) The shell integrated structure of the cast-in-place coinsiding die of assembled architecture and construction method
CA2341534A1 (en) Prefabricated self-supporting plate made of polystyrene and concrete
KR20080066574A (en) Mold of form panel comprising paper corrugated cardboard
CN110644662A (en) Prefabricated flat slab composite slab based on stress and splitting method thereof
CN206245606U (en) A kind of EPS composite heat-insulation roofs
CN209194694U (en) A kind of reinforcing concrete drain pipe building
KR19980058501U (en) Prefabricated PC Concrete Wall Panels
CN209620330U (en) A kind of non-dismantling formwork concrete shear wall structure building
FI94451C (en) Concrete-filled composite beam for use in connection with concrete slab structures
CN209194582U (en) A kind of non-dismantling formwork concrete list cabin piping lane or more cabin piping lanes
CN213449074U (en) Whole-space prefabricated composite floor slab of reinforced truss concrete with no rib at periphery
CN213509134U (en) Steel pipe truss prestressed hollow superimposed sheet
CN212957170U (en) Precast concrete bottom plate integrated with truss steel bars and prestressed steel wire meshes
CN208918266U (en) One kind exempting from support formula steel plate post-cast strip template structure system
CN210459707U (en) Novel composite floor installation device
CN211666041U (en) Full precast floor slab and precast concrete beam connection structure
CN208884804U (en) A kind of superimposed sheet and its mounting structure
CN211143352U (en) Steel wire framework heat-insulating prefabricated slab and assembled composite floor slab

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination