CN212984324U - Steel mesh hollow-out cavity floor system capable of resisting concrete segregation - Google Patents
Steel mesh hollow-out cavity floor system capable of resisting concrete segregation Download PDFInfo
- Publication number
- CN212984324U CN212984324U CN202020187106.8U CN202020187106U CN212984324U CN 212984324 U CN212984324 U CN 212984324U CN 202020187106 U CN202020187106 U CN 202020187106U CN 212984324 U CN212984324 U CN 212984324U
- Authority
- CN
- China
- Prior art keywords
- steel mesh
- arc
- mesh hollow
- component
- steel
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model provides a steel mesh hollow-out cavity floor system for resisting concrete segregation, which consists of a rib beam, an arc steel mesh hollow-out component wound by non-woven fabrics, an upper flange plate with an arc shape and a cast-in-situ lower flange thin plate; the rib beams are longitudinal rib beams and transverse rib beams; the arc-shaped steel mesh hollow-out component comprises a ribbed steel mesh, a superposed support frame, a plug short mesh and non-woven fabrics; the superposed support frames in the arc-shaped steel mesh hollow components are divided into wide groups and narrow groups; the narrow groups are overlapped in the wide groups to form an arc-shaped overlapped supporting frame; the non-woven fabric is wound on at least four side surfaces of the steel mesh hollow component; the upper flange plate forms an arc shape matched with the upper surface of the arc-shaped steel mesh hollow component.
Description
Technical Field
The utility model relates to a cast in situ concrete cavity superstructure system technique, concretely relates to steel mesh fretwork cavity superstructure technique of anti concrete segregation.
Background
If the invention artificially realizes the industrialized production of the cast-in-situ hollow floor non-loose core pore-forming component, the steel reticular material is firstly used for replacing a plate body to manufacture the cast-in-situ hollow floor non-loose core pore-forming component. On the basis of the original plate pore-forming member, the invention applies a 'reticular box-shaped member for pore-forming of cast-in-situ hollow floor' ZL201310332173.9 and ZL201510331724.X 'a novel steel-concrete combined cast-in-situ hollow floor', carries out transformation upgrade on the existing cast-in-situ hollow floor technology, and creates conditions for updating; the application of the netted box-shaped component can greatly reduce the dead weight of the cavity floor, the structural safety is strong, the problem of realizing the hollow floor with large span, large space and large load is solved, mainly in the construction, the treatment of anti-floating, isolation, displacement and support is not needed, the construction procedure is simplified, and the rapidness is achieved; meanwhile, the net-shaped box-shaped component has zero damage, the construction quality is improved, and the engineering cost is reduced.
However, the original application of the reticular box-shaped component still has the problem to be perfected, the inventor continuously promotes the background technology of the self cast-in-situ hollow floor system, and invents a hyperboloid reticular cavity component ZL201721318739.2 consisting of a ribbed steel net body, a support body and a plugging body; the combined net-shaped box-shaped member is combined by promoting and utilizing pure steel materials, so that the industrialization is further improved, the manufacturing, combining and using functions are simultaneously solved, and the hidden trouble of the building quality caused by overlarge concrete slump is effectively monitored. However, because the concrete slump is controlled, the fluidity of the concrete is wrong, and the pipeline of the cast-in-place concrete delivery pump is blocked.
The method has the advantages that the ribbed steel mesh is utilized to manufacture the non-core-pulling pore-forming member of the cast-in-place hollow floor, but the concrete mortar leaks into the steel mesh member body after being separated due to overlarge concrete slump, so that the strength of the concrete structure is changed; if the concrete slump according to the design requirement is high, the concrete mortar is not separated, and the optimal effect of seepage and leakage of the concrete is achieved on the steel mesh-shaped member, the normal use of construction equipment for blocking the concrete delivery pump pipeline is influenced, so that the pair of contradictions is generated. The concrete mortar is prevented from being separated and leaking into the steel mesh component when the concrete slump is larger, the using function and the building quality of the steel mesh component are ensured, and the construction is facilitated and the engineering cost is reduced.
SUMMERY OF THE UTILITY MODEL
Through repeated tests, the utility model aims to change the adjustment of the internal structure of the original steel mesh component and the improvement of the functions of each component on the basis of the prior art of the inventor, improve the stress by using the upper flange plate with the arc arching in the rib beam lattice, and effectively solve the defect that the concrete mortar is separated and seeped into the steel mesh component when the concrete slump is larger; in order to prevent the isolation phenomenon between the steel mesh-shaped member and the concrete and not to influence the combination effect between the steel mesh-shaped member and the concrete, the non-woven fabric for preventing the steel mesh-shaped member wound with the hole is required to be thin to an extreme value.
The technical scheme of the utility model is that the steel mesh hollow-out cavity floor system for resisting concrete segregation is composed of a rib beam, an arc steel mesh hollow-out component wound by non-woven fabric, an upper flange plate with an arc shape and a cast-in-situ lower flange thin plate; the rib beam is characterized in that the rib beam is a longitudinal rib beam and a transverse rib beam; the rib grid ratio formed by the longitudinal rib beams and the transverse rib beams is minimum 2/3; the arc-shaped steel mesh hollow-out component comprises a ribbed steel mesh, a superposed support frame, a plug short mesh and non-woven fabrics; the ribbed steel mesh is a rhombic steel mesh serving as an arc-shaped steel mesh hollow component body; the superposed support frames in the arc-shaped steel mesh hollow components are divided into wide groups and narrow groups; longitudinal and transverse cold-drawn steel wires of the superposed support frame are welded at the cross point; the narrow groups are overlapped in the wide groups to form an arc-shaped overlapped supporting frame; reinforcing steel sheets are superposed on two ends of the plug short net; the non-woven fabric is wound on at least four side surfaces of the steel mesh hollow component; the upper flange plate forms an arc shape matched with the upper surface of the arc-shaped steel mesh hollow component; the lower flange form and the lower surface of the arc-shaped steel mesh hollow component are arc-high and comprise a sheet of ribbed steel mesh.
Another preferred aspect of the present invention is: the non-woven fabric wound arc-shaped steel mesh hollow component has the wound non-woven fabric which is thin to an extreme value and has the volume weight of 14 g/m2The following.
Another preferred aspect of the present invention is: the ribbed steel mesh comprises ribs and an inter-mesh connecting sheet; the ribs are different in height, and at least two edges of the ribs are higher than other ribs.
Another preferred aspect of the present invention is: the width of the wide group of the superposed support frame is the hollow width of the main body of the steel mesh hollow component, and cold-drawn steel wires are arranged at the two edges of the wide group; the narrow group width is greater than 200mm and higher than the wide group height.
Another preferred aspect of the present invention is: the steel mesh hollow component main body comprises a steel mesh hollow component upper surface, a steel mesh hollow component lower surface, two side surfaces and a lap joint amount, and the height in the middle of the main body is greater than the height on two sides of the steel mesh hollow component main body to form an arc shape.
Another preferred aspect of the present invention is: after reinforcing steel sheets with the width smaller than 200mm of the short plug net are superposed on the two ends of the short plug net, the parts without the superposed reinforcing steel sheets are exposed at eight outer corners of the steel mesh hollow component and abut against the edge of the steel mesh with the ribs of the main body, and the short plug net ribs exposed at four outer corners of the lower part of the steel mesh hollow component form four supporting points of four outer corners of the lower part of the arc steel mesh hollow component.
Another preferred aspect of the present invention is: and a plate body conveying air duct is arranged in the steel mesh hollow-out component.
The utility model discloses a steel mesh fretwork cavity superstructure of anti concrete segregation, when designing the cavity superstructure, adopt two-way atress board, the length of longitudinal rib roof beam is more than or equal to the horizontal rib roof beam, the rib length proportion that longitudinal rib roof beam and horizontal rib roof beam formed is the best between 2/3 and 1/1; the hole forming adopts an arc-shaped steel mesh hollow component, and the arc-shaped steel mesh hollow component is used for forming an upper flange plate with an arc-shaped arch to improve the stress state of the cavity floor; the arc-shaped steel mesh hollow component formed by winding the extremely thin non-woven fabric is used for effectively solving the problem that concrete mortar is separated and leaks into the arc-shaped steel mesh hollow component body when the concrete slump is larger; arc steel mesh hollow structureThe piece does not produce the isolation phenomenon with the concrete, does not influence the combination effect between arc steel mesh hollow component and the concrete, and the non-woven fabrics that twine arc steel mesh hollow component and be used for preventing segregation will be thin to extreme value, and the thin volume weight of non-woven fabrics will be controlled at 14 grams/m through many times of experiments2The following. Manufacturing an arc-shaped steel mesh hollow component, wherein the arc-shaped steel mesh hollow component comprises a ribbed steel mesh, a superposed support frame, a plug short mesh and non-woven fabrics; innovating a net-shaped plate, a reinforcing rib and a connecting sheet of the ribbed steel net body according to the requirement of a practical function; experimental results show that in order to reach the national standard of concrete slump of 160mm +/-20, concrete mortar is not separated and leaked into the ribbed steel mesh body, and the punching distance of each step of the special punching machine is required to be less than 6 mm; in order to enhance the rigidity of the connecting sheet when the connecting sheet is expanded into the mesh, the galvanized coiled sheet with the thickness of more than 0.35mm must be adopted, the utility model discloses a reform transform the existing special die cutter, change the original die-cut every step distance less than 6mm into 12mm, equal to the connecting sheet steel sheet also widens one time and satisfies the rigidity of the connecting sheet when the connecting sheet is expanded into the mesh, can effectively reduce the galvanized coiled sheet thickness from 0.35mm to the optimum thickness of 0.25mm, production efficiency also improves one time; forming an upper surface and a lower bottom surface which are arc-shaped respectively, two side surfaces and a lap joint part by punching a ribbed steel mesh which is expanded into rhombic meshes with each step distance of 12mm to form a main body of the steel mesh hollow component; meanwhile, in the prior art, the thickness of the galvanized steel coil is increased, and the height of a pressed reinforcing rib is increased on the galvanized steel coil to resist the positive pressure and the lateral pressure of cast-in-place concrete, so that the reinforcing rib with the same height is adopted for stress balance and manufacturing; because the stress function of the reinforcing rib of the utility model is changed, the reinforcing ribs on two sides of the ribbed steel mesh are clearly distinguished to meet the requirement of the combination function, and other reinforcing ribs only meet the requirement of expanding into the ribbed steel mesh by taking the reinforcing rib as a boundary region, the stress function is secondary, and the reduction of the heights of other reinforcing ribs is provided; through the innovation of the ribbed steel net body, the cost of the raw materials of the overall galvanized coil plate is reduced by 40%, but the production speed of the ribbed steel net body is doubled. The utility model has wide and narrow groups; cold drawing the coiled steel wire into cold drawn wires with required different diameters by cold drawing equipment; folding supportThe frame is welded by cross points of longitudinal and transverse cold-drawn steel wires; the wide group of support frames are used for controlling the inner hollow width of the steel mesh hollow component main body, and the wide group of support frames are close to the ribbed steel meshes on the two side surfaces and the upper surface and close to the two side surfaces to jointly act to resist the lateral pressure generated on the steel mesh hollow component during cast-in-place concrete, so that the lateral pressure born by the steel mesh hollow component after the height of the ribbed steel mesh reinforcing ribs is reduced is ensured; cold drawing steel wires are arranged at two edges of the wide group to reserve a combined framework for the short net of the plug; the optimal width of the narrow group is 300mm, the height of the narrow group is greater than the horizontal height of the space in the steel mesh hollow component, and the optimal height is more than 10mm, so that the narrow group is overlapped in the wide group to form a composite overlapped support frame, the upper surface and the lower bottom surface of the steel mesh hollow component are ingeniously formed into an arc-shaped steel mesh hollow component, and the arc-shaped upper surface is used for improving the stress state of the applied load without collapsing; the supporting frame close to the upper surface of the ribbed steel mesh overcomes the condition that the prior art needs manual recovery after a constructor tramples the ribbed steel mesh, and the supporting frame close to the upper surface of the ribbed steel mesh quickly recovers the arc shape of the original shape due to the elasticity of the superposed supporting frame after the constructor tramples the steel mesh hollow component; the arc-shaped steel mesh hollow-out component is built into a steel arc-shaped upper flange plate to improve the stress of the cavity floor. When the upper surface of the arc-shaped steel mesh hollow component bears the concrete slump to exceed the range, concrete segregation on the upper surface is possibly caused, at the moment, a thin plate or a thin sheet is arranged between the ribbed steel mesh of the steel mesh hollow component and the wide group of the composite superposed support frame to block the concrete segregation, and the upper surface of the arc-shaped steel mesh hollow component can also be wound by adopting ultrathin non-woven fabrics; the lower surface of the steel mesh hollow component is not wound with non-woven fabrics because part of concrete mortar is required to permeate into the bottom of the steel mesh hollow component to form a lower flange thin plate. The arc of the lower surface is utilized to form a space for the cast-in-place concrete to flow into the bottom of the steel mesh hollow component so as to enhance the flowability of the concrete flowing into the bottom of the steel mesh hollow component. Because the material of the short net base of the plug is changed and the arc-shaped upper surface of the steel net hollow component is generated, in order to match and resist the lateral pressure of the short net of the plug and the arc-shaped upper surface, reinforcing steel sheets with the width of less than 200mm of the short net of the plug are superposed on two ends of the short net of the plug, and the part on which the reinforcing steel sheets are superposed is straightThe cold-drawing steel wire is connected into the edge rib of the ribbed steel mesh and is combined with the cold-drawing steel wire at the edge of the wide group of support frames to form a plug connecting belt; the part which is not overlapped with the reinforced steel sheet is exposed at eight outer corners of the arc-shaped steel mesh hollow component and is tightly close to the edge of the main body ribbed steel mesh; the part without the overlapped reinforced steel sheets is exposed at the four outer corners of the lower part of the steel mesh hollow component to form four corner supporting points at the lower part of the arc-shaped steel mesh hollow component, so that the stability of the stress of an arc-shaped surface formed by the bottom surface is effectively balanced; the change of the base material of the short net of the plug can influence the side pressure resistance of the short net of the plug, N ribs are arranged in the middle of the short net of the plug, and at least two ribs are provided with cold drawing steel wires which act together with the short net of the plug to resist the side pressure. And placing steel mesh hollow members with four supporting points, arcs and wound non-woven fabrics in rib grids formed by the bound longitudinal and transverse rib beam reinforcing steel bars, laying upper flange plate reinforcing steel bars, binding and then pouring concrete to form the steel mesh hollow floor system resisting concrete segregation.
Drawings
Figure 1 is the utility model discloses the cross-sectional view of anti concrete segregation's cavity superstructure embodiment arc steel mesh fretwork component end cap side.
Fig. 2 shows an embodiment of the arc-shaped steel net hollow component of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is the cross-sectional view of the side of the arc steel mesh hollow end cap of the embodiment of the utility model discloses cavity floor of anti concrete segregation, the utility model discloses when implementing, the cavity floor A of design is the T type cross-sectional plate that adopts two-way atress, and the length of the longitudinal rib roof beam 2 is more than or equal to the horizontal rib roof beam, adopts the arc steel mesh hollow as the pore-forming component, uses the arc steel mesh hollow component 1 to form the upper flange plate 7 with the arc camber to improve the stress state of the cavity floor; the arc-shaped steel mesh hollow component 1 formed by winding the extremely thin non-woven fabric 6 is used for effectively solving the problem that concrete mortar is separated and leaked into the arc-shaped steel mesh hollow component body when the concrete slump is larger; under the prerequisite that does not influence the combination effect between arc steel mesh fretwork component and the concrete, through many times of experiments, the non-woven fabrics that winding arc steel mesh fretwork component is used for preventing segregation will be thin to the extreme value, and the unit weight of thin non-woven fabrics will be heavyControlled at 14 g/m2In this way, the arc-shaped steel mesh hollow component and the concrete can not be isolated. Manufacturing an arc-shaped steel mesh hollow component, wherein the arc-shaped steel mesh hollow component comprises a ribbed steel mesh, a superposed support frame, a plug short mesh and non-woven fabrics; the utility model has wide and narrow groups; the wide group of support frames are used for controlling the inner hollow width of the steel mesh hollow component main body, the wide group of support frames are tightly close to the ribbed steel meshes on the two side surfaces and the upper surface, and the support frames tightly close to the two side surfaces act together to resist the lateral pressure generated on the steel mesh hollow component when concrete is cast in place; after the narrow groups are overlapped in the wide groups to form the composite overlapped support frame, the upper surface and the lower bottom surface of the steel mesh hollow component are skillfully formed into an arc-shaped steel mesh hollow component, and then the arc-shaped steel mesh hollow component does not collapse under the compression state of load application by utilizing the arc-shaped improvement of the upper surface; the lower surface of the steel mesh hollow component is not wound with non-woven fabrics because part of concrete mortar is required to permeate into the bottom of the steel mesh hollow component to form a lower flange thin plate 5. The arc 4 of the lower surface is used for forming a space for the cast-in-place concrete to flow into the bottom of the steel mesh hollow component so as to enhance the flowability of the concrete flowing into the bottom of the steel mesh hollow component. Overlapping two ends of the plug short net with reinforcing steel sheets 8 with the width being 200mm smaller than that of the plug short net, directly placing the overlapped reinforcing steel sheets in the edge ribs of the ribbed steel net, and combining the overlapped reinforcing steel sheets with cold-poking steel wires at the edge of the wide group of support frames to form a plug connecting belt; the part which is not overlapped with the reinforced steel sheet is exposed at eight outer corners of the arc-shaped steel mesh hollow component and is tightly close to the edge of the main body ribbed steel mesh; the part without the overlapped reinforced steel sheets is exposed at the four outer corners of the lower part of the steel mesh hollow component to form four corner supporting points at the lower part of the arc-shaped steel mesh hollow component, so that the stability of the stress of an arc-shaped surface formed by the bottom surface is effectively balanced; the change of the base material of the short net of the plug can influence the side pressure resistance of the short net of the plug, N ribs are arranged in the middle of the short net of the plug, and at least two ribs are provided with cold drawing steel wires which act together with the short net of the plug to resist the side pressure. And placing steel mesh hollow members with four supporting points, arcs and wound non-woven fabrics in rib grids formed by the bound longitudinal and transverse rib beam reinforcing steel bars, laying upper flange plate reinforcing steel bars, binding and then pouring concrete 3 to form the steel mesh hollow cavity floor A resisting concrete segregation.
Fig. 2 is a schematic view of an embodiment of the steel mesh hollow component of the present invention, which is formed by first manufacturing a ribbed steel mesh 11, a composite laminated support frame 12, a plug short mesh 13 and a non-woven fabric 14 according to the requirement of the steel mesh hollow component 1 for use; respectively pressing folding marks of two cutters for controlling the width and the height according to the required specification in the transverse direction of the rib 111 and the connecting sheet 112 of the ribbed steel mesh to control the width and the height; the lapping amount of 50mm is reserved at the two ends of the ribbed steel mesh; the composite superposed support frame is divided into a wide group of support frames 121 and a narrow group of support frames 122, the width of the wide group of support frames restricts the width 113 of the steel mesh hollow component, and the height of the narrow group of support frames restricts the height 114 of the steel mesh hollow component; specifically, the wide groups form the width of the steel mesh hollow component, and the narrow groups form the height of the steel mesh hollow component; cold drawing the coiled steel wire into a cold drawn wire with the diameter of 3mm required by the wide group of supporting frames by cold drawing equipment; the cold drawing wires with the diameter of 4mm are required by the narrow group of support frames, and are folded into two right angles 123 at the required height; manufacturing a plug short net 13 with a reinforced steel sheet 131 and cold-drawn steel wires 132, directly placing the reinforced steel sheet parts superposed on the two ends of the plug short net into the edge ribs 133 of the ribbed steel net, and combining the reinforced steel sheet parts with the cold-drawn steel wires at the edge of the wide group of support frames to form a plug connecting belt; the parts without the superimposed reinforced steel sheets are exposed at eight outer corners 135 of the steel mesh hollow component, and ribs of a plug short net exposed at the lower part of the steel mesh hollow component form four corner supporting points 136 to balance the stability of stress of an arc surface 137 formed by the bottom surface; in order to radically solve the concrete segregation phenomenon, the ultra-thin volume weight is 10 g/m2The non-woven fabric winding tape 14 is wound on four side surfaces 138 of the steel mesh hollow component, and the plug short net which exposes the non-overlapped reinforced steel sheet parts at eight outer corners of the steel mesh hollow component and is close to the edge of the main ribbed steel mesh and the gap which is not combined in place are wound together, so that the problem that concrete is not separated under any slump condition is thoroughly solved, and the cost of the non-woven fabric winding tape only accounts for 0.5 percent of the total cost of the manufacturing cost. The steel mesh hollow component manufactured by adopting the ribbed steel mesh is realized, the cast-in-place concrete cavity floor can be accurately built, and concrete is not segregated into the steel mesh hollow component body in any slump state.
It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the modifications or equivalent substitutions can be made to the specific embodiments of the present invention, and any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention should be covered by the claims of the present invention.
Claims (6)
1. A steel mesh hollow-out cavity floor system resisting concrete segregation is composed of a rib beam, an arc steel mesh hollow-out component wound by non-woven fabrics, an upper flange plate with an arc shape and a cast-in-situ lower flange thin plate; the rib beam is characterized in that the rib beam is a longitudinal rib beam and a transverse rib beam; the rib grid ratio formed by the longitudinal rib beams and the transverse rib beams is minimum 2/3; the arc-shaped steel mesh hollow-out component comprises a ribbed steel mesh, a superposed support frame, a plug short mesh and non-woven fabrics; the ribbed steel mesh is a rhombic steel mesh serving as an arc-shaped steel mesh hollow component body; the superposed support frames in the arc-shaped steel mesh hollow components are divided into wide groups and narrow groups; longitudinal and transverse cold-drawn steel wires of the superposed support frame are welded at the cross point; the narrow groups are overlapped in the wide groups to form an arc-shaped overlapped supporting frame; reinforcing steel sheets are superposed on two ends of the plug short net; the non-woven fabric is wound on at least four side surfaces of the steel mesh hollow component; the upper flange plate forms an arc shape matched with the upper surface of the arc-shaped steel mesh hollow component; the lower flange form and the lower surface of the arc-shaped steel mesh hollow component are arc-high and comprise a sheet of ribbed steel mesh.
2. The steel mesh hollow floor system capable of resisting concrete segregation as claimed in claim 1, wherein the non-woven fabric wound arc steel mesh hollow component is thin to an extreme value and has a volume weight of 14 g/m2The following.
3. The steel mesh hollow floor system capable of resisting concrete segregation as claimed in claim 1, wherein the width of the wide group of the superimposed supports is the inner space width of the steel mesh hollow member body, and cold drawn steel wires are arranged at two edges of the wide group; the narrow group width is greater than 200mm and higher than the wide group height.
4. The steel mesh hollow floor system capable of resisting concrete segregation as claimed in claim 1, wherein the steel mesh hollow member body comprises an upper surface, a lower surface, two side surfaces and an overlapping amount, and the height of the middle of the body is greater than the height of the two sides of the steel mesh hollow member body to form an arc.
5. The steel mesh hollow-out floor system capable of resisting concrete segregation as claimed in claim 1, wherein after the reinforcing steel sheets with the width of 200mm smaller than that of the plug short net are overlapped at the two ends of the plug short net, the part without the overlapped reinforcing steel sheets is exposed at eight outer corners of the steel mesh hollow-out component and is abutted against the edge of the steel mesh with the rib at the main body, and the plug short net ribs exposed at the four outer corners at the lower part form supporting points of the four outer corners.
6. The steel mesh hollow floor system capable of resisting concrete segregation as claimed in claim 1, wherein a plate body conveying air channel is arranged in the steel mesh hollow component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020187106.8U CN212984324U (en) | 2020-02-20 | 2020-02-20 | Steel mesh hollow-out cavity floor system capable of resisting concrete segregation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020187106.8U CN212984324U (en) | 2020-02-20 | 2020-02-20 | Steel mesh hollow-out cavity floor system capable of resisting concrete segregation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212984324U true CN212984324U (en) | 2021-04-16 |
Family
ID=75397456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020187106.8U Expired - Fee Related CN212984324U (en) | 2020-02-20 | 2020-02-20 | Steel mesh hollow-out cavity floor system capable of resisting concrete segregation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212984324U (en) |
-
2020
- 2020-02-20 CN CN202020187106.8U patent/CN212984324U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104532997B (en) | A kind of precast assemble floor system and its construction method | |
| CN101949191B (en) | Method for constructing unsupported super-long irregularly-shaped overhanging floor | |
| CN105735469B (en) | A kind of part adhesive precast prestressed concrete frame structure | |
| CN209637112U (en) | A kind of band lacing wire concrete filled steel tube pours building body | |
| CN109763650A (en) | A kind of Super High construction method of steel bar truss floor support plate | |
| CN212984324U (en) | Steel mesh hollow-out cavity floor system capable of resisting concrete segregation | |
| CN212984325U (en) | Steel mesh hollow-out component capable of resisting concrete segregation | |
| CN111270804A (en) | Steel mesh hollow-out cavity floor system capable of resisting concrete segregation | |
| CN105239709A (en) | Permeable combined filling box formed by metal sheets | |
| CN111021587B (en) | Double-layer steel plate composite shear wall with transverse type hole-opening corrugated web | |
| CN109025294A (en) | A kind of post-cast strip inflatable arc angle rectangular section hose side form installs construction method | |
| CN111270803A (en) | Steel mesh hollow component with supporting points | |
| CN111270802A (en) | Steel mesh hollow-out component capable of resisting concrete segregation | |
| KR101846501B1 (en) | Concrete steel composite box-type column structure with reinforced lattice | |
| CN111411725A (en) | Steel mesh hollow component with arc shape | |
| CN214302412U (en) | Steel wire mesh frame sandwich plate with disassembly-free mesh mold | |
| CN111042395B (en) | Double-deck steel sheet compound shear wall of channel-section truss-like drawknot | |
| CN212001284U (en) | Structure of post-cast strip construction joint water stop steel plate | |
| CN115233813A (en) | Beam with clamping connection plate | |
| CN212295249U (en) | Assembled floor and assembled floor piece structure | |
| CN209742220U (en) | Prefabricated composite structure column based on corrugated web H-shaped steel | |
| CN217871802U (en) | Non-dismantling construction formwork applied to post-cast strip | |
| CN111139974A (en) | Four-corner steel pipe, corrugated side plate and flat side plate combined column | |
| CN110847505A (en) | Formed reinforcement cage for double-skin wall and processing method thereof | |
| CN211775110U (en) | Four-corner steel pipe, corrugated side plate and flat side plate combined column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210416 |