CN212984325U - Steel mesh hollow-out component capable of resisting concrete segregation - Google Patents
Steel mesh hollow-out component capable of resisting concrete segregation Download PDFInfo
- Publication number
- CN212984325U CN212984325U CN202020190424.XU CN202020190424U CN212984325U CN 212984325 U CN212984325 U CN 212984325U CN 202020190424 U CN202020190424 U CN 202020190424U CN 212984325 U CN212984325 U CN 212984325U
- Authority
- CN
- China
- Prior art keywords
- steel mesh
- steel
- hollow component
- component
- hollow
- 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
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model provides a steel mesh hollow component for resisting concrete segregation, which consists of a ribbed steel mesh, a superposed support frame, a plug short net and non-woven fabrics; the ribbed steel mesh is a rhombic steel mesh serving as a steel mesh hollow component body; the superposed support frames in the steel mesh hollow components are divided into wide groups and narrow groups; the narrow groups are overlapped in the wide groups to form an overlapped support frame; reinforcing steel sheets are fixedly overlapped at two ends of the plug short net; the length of the reinforced steel sheet is shorter than the width of the short net of the plug; the non-woven fabric is at least wound on the side body surface of the steel mesh hollow component.
Description
Technical Field
The utility model relates to a cast in situ concrete cavity superstructure system technology, concretely relates to steel mesh fretwork component 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 component of the cast-in-place hollow floor, but the concrete mortar leaks into the net box-shaped component body after being separated due to overlarge concrete slump, so that the strength of the concrete structure is changed; if the concrete slump required by the design does not separate, the normal use of construction equipment is influenced when the optimal effect of seepage and leakage to the reticular box-shaped component is achieved, so that the pair of contradictions is generated. The main contradiction that the concrete mortar is not separated and leaked into the mesh box-shaped component body when the concrete slump is larger is solved, and the use function and the building quality of the mesh box-shaped component are ensured, so that the construction is facilitated, and the engineering cost is reduced, and the main contradiction is not easy to realize.
SUMMERY OF THE UTILITY MODEL
Through the repetition test, the utility model discloses an on the basis of this inventor prior art, change the adjustment of the inner structure of former netted box component and the improvement of each subassembly function, to the practical degree of engineering, the innovation of product and cost are synthesized perfect market mechanism, on the basis of a great deal of innovation in an organic whole, adopt winding non-woven fabrics technique at the side of steel mesh fretwork component again, come effectively to solve because of the concrete slump when on the large side, the internal defect of seepage to netted box component is educed to the concrete mortar.
The technical scheme of the utility model is that the steel mesh hollow component for resisting concrete segregation is composed of ribbed steel mesh, a superposed support frame, a plug short mesh and non-woven fabric; the ribbed steel mesh is a rhombic steel mesh serving as a steel mesh hollow component body; the superposed support frames in the steel mesh hollow components are divided into wide groups and narrow groups; the superposed support frame is formed by cross spot welding of longitudinal and transverse cold-drawn steel wires; the width of the wide group is the inner hollow width of the steel mesh hollow component main body, and cold drawn steel wires are arranged on two edges of the wide group; the width of the narrow group is more than 150mm, and the height of the narrow group is more than the horizontal height of the hollow space in the steel mesh hollow component and is higher than the wide group; the narrow groups are overlapped in the wide groups to form an overlapped support frame; reinforcing steel sheets are superposed on two ends of the plug short net; the length of the reinforced steel sheet is shorter than the width of the short net of the plug; the non-woven fabric is at least wound on the side body surface of the steel mesh hollow component.
Another preferred aspect of the present invention is: the thickness of the steel substrate of the ribbed steel mesh is less than 0.30 mm; the meshes of the ribbed steel mesh form a diamond shape.
Another preferred aspect of the present invention is: the rib heights of the ribbed steel nets are different, and the ribs on at least two edges are higher than other ribs.
Another preferred aspect of the present invention is: thin plates or thin sheets are arranged between the ribbed steel mesh of the steel mesh hollow component and the wide group of the superposed support frames.
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 of the middle of the main body is larger than the height of the two sides of the steel mesh hollow component main body.
Another preferred aspect of the present invention is: the diameters of the longitudinal cold-drawn steel wires of the wide group and the narrow group of the superposed support frame are unequal, the diameter of the longitudinal cold-drawn steel wire of the narrow group is larger than that of the longitudinal cold-drawn steel wire of the wide group, and the diameter of the cold-drawn steel wire is smaller than 5 mm.
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-out component and abut against the edge of the main ribbed steel mesh.
Another preferred aspect of the present invention is: n ribs are arranged in the middle of the plug short net, and cold drawing steel wires are arranged in at least two ribs.
Another preferred aspect of the present invention is: and a plate body conveying air duct is arranged in the steel mesh hollow component.
Another preferred aspect of the present invention is: the bulk density of the non-woven fabric wound on the side body surface of the steel mesh hollow component is 14 g/m2Within.
The utility model discloses a concrete segregation resistant steel mesh fretwork component, this application is that the inventor goes on under the non-prior art basis of loosing core of utilizing ribbed steel mesh body to form cavity superstructure of oneself invention:
firstly, 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.
Secondly, the functionality of the support body in the prior art is changed, and the support body is similar to a hyperboloid net-shaped cavity body member, and the main function of the support body in the prior art is to prevent the upper surface of the steel net body with the ribs of the support belt from collapsing and control the height of the cavity body member; 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; the superposed support frame is formed by cross spot welding 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 an overlapped support frame, the upper surface and the lower bottom surface of the steel mesh hollow component are ingeniously formed into an arc shape, and the arc shape of the upper surface is used for improving the stress state of the applied load without collapsing; especially the support 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, the support frame close to the upper surface of the ribbed steel mesh of the utility model can quickly recover the original shape due to the elasticity of the superposed support frame after the constructor tramples the steel mesh hollow component; when the upper surface of the steel mesh hollow component bears the concrete slump in an over-range manner, 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 superposed support frames to block the concrete segregation, and the upper surface of the steel mesh hollow component with an arc shape can also be wound by adopting ultrathin non-woven fabrics; the steel mesh hollow component utilizes the arc of lower surface to form the space for cast-in-place concrete flows into steel mesh hollow component bottom, is equivalent to prior art need advance the measure of taking the angle of ribbing steel mesh body bottom chamfer to strengthen the concrete of superstructure lower flange board and flow into the mobility of steel mesh hollow component bottom.
Thirdly, the existing similar plugging head is supported by four points: because the plug short net base material is changed and the arc-shaped upper surface of the steel mesh hollow component is generated, in order to enable the plug short net to be relatively matched with the arc-shaped upper surface and resist lateral pressure, reinforcing steel sheets with the width being 200mm smaller than that of the plug short net are superposed on two end heads of the plug short net, the superposed reinforcing steel sheets are directly placed in the edge ribs of the ribbed steel mesh and combined 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 steel mesh hollow-out component and is tightly close to the edge of the steel mesh with the ribs of the main body, and the comprehensive treatment of the following steps is needed; the part without the superimposed 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 of the lower part of the steel mesh hollow component, so that the stability of 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.
Fourth, resist the concrete segregationThe steel mesh hollow component: because the prior technical scheme of the inventor is changed, the structure of the steel mesh hollow component is more reasonable, the manufacturing speed is improved in multiples, the practicability is further improved, and the manufacturing cost is greatly reduced; the connection pieces are widened due to the fact that the punching stepping distance is doubled, when the ribbed steel mesh is expanded, the connection pieces have enough steel to resist expansion force, the connection pieces are prevented from being broken when expanded, and the ribbed steel mesh is formed; thereby avoiding using a relatively thick galvanized coil base material; other innovations are changed in basis and exert creativity on using functions. However, the punching step distance is doubled, so that the diamond meshes of the ribbed steel mesh are increased, and the concrete segregation phenomenon is aggravated; in order to fundamentally solve the concrete segregation phenomenon under the premise of lowest cost and satisfying the function, the volume weight of the concrete segregation phenomenon is 10 g/m compared with that of the research and development of a non-woven fabric expert2The extremely thin non-woven fabric (note: the non-woven fabric is thick and can generate an isolation layer, which seriously affects the combined action of the steel mesh hollow component and the concrete) is wound on four side surfaces of the steel mesh hollow component by an extremely thin non-woven fabric winding belt, and the parts of the steel sheets which are not overlapped and reinforced are exposed at eight outer corners of the steel mesh hollow component and are tightly wound on a short net of a plug at the edge of a main ribbed steel mesh. 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.
Drawings
Fig. 1 shows an embodiment of the steel mesh hollow-out component for resisting concrete segregation.
Fig. 2 shows an embodiment of the folding support frame of the present invention.
FIG. 3 is a cross-sectional view of the combination of the laminated support frame and the steel net body with ribs
Fig. 4 is a side view of the combination of the plug short net and the 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 shows an embodiment of a steel mesh hollow component for resisting concrete segregation, according to the requirement of the steel mesh hollow component 1 for use, the steel mesh with ribs 11, a composite superposed support frame 12, a plug short net 13 and a non-woven fabric 14 winding tape are firstly manufactured; transversely pressing folding marks with two cutters for controlling the width on the ribs of the ribbed steel mesh 11 with the ribs 111 and the connecting sheets 112 according to the required specification to control the width and the folding marks with two cutters for controlling the height, and reserving 50mm of lap joint quantity at two ends of the ribbed steel mesh; the composite lay-up carriers are divided into wide groups 121 to form widths 113 and narrow groups 122 to form heights 114; 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.
Fig. 2 shows an embodiment of the folding support of the present invention, which is divided into a wide group 121 and a narrow group 122; the length of the longitudinal cold drawing wire 123 of the wide group support frame is related to the width a and the height B of the steel mesh hollow-out component, that is, the length Lmm is a + 2B-10 and is welded with the cross point 125 of the transverse cold drawing wire, and the two cross points are folded into two right angles 126 at two heights to form the wide group support frame 121; the diameter of the narrow group of support frames 122 is 4mm, the length of the longitudinal cold-drawing wire 127 is related to the width 300mm and the height B of the steel mesh hollow-out component, namely the length Lmm is the width 300+2B +20 and the cross point 125 of the transverse cold-drawing wire 124 are welded, and the narrow group of support frames 122 are formed by pressing and folding the height plus 10mm into two right angles.
Fig. 3 is a cross-sectional view of the combination of the stacked supporting frame and the ribbed steel mesh body of the present invention, the wide group supporting frame 121 is used to control the inner hollow width of the steel mesh hollow component body, and the vertical cold-drawing wires of the wide group supporting frame 121 are close to the two side surfaces 131 of the ribbed steel mesh 11; the cold poking wires of the support frame 121 close to the side face act together with the side face of the main body ribbed steel mesh 11 to resist the side pressure of the steel mesh hollow-out component generated by concrete during cast-in-place, and ensure the side pressure born by reducing the height of the ribbed steel mesh reinforcing ribs; the transverse cold-drawn wires of the wide group of support frames 121 abut against the ribbed steel mesh on the upper surface 132 of the main body ribbed steel mesh 11 to resist the positive pressure of the concrete on the steel mesh hollow-out component during cast-in-place; cold drawing steel wires are arranged at two edges of the wide group to reserve a combined framework 133 for the plug short net; 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 122 is overlapped in the wide group 121 to form an overlapped support frame, the upper surface of the steel mesh hollow component is ingeniously formed into an arc 134, the lower bottom surface of the steel mesh hollow component is ingeniously formed into an arc 135, and the arc on the upper surface is used for improving the stress state of the applied load without collapsing; particularly, the support frame which is close to the upper surface of the ribbed steel mesh overcomes the defect that the collapsed part of the treaded ribbed steel mesh needs to be manually recovered after a constructor treads the ribbed steel mesh in the prior art; the utility model is close to the support frame on the upper surface of the ribbed steel net, and after constructors trample the steel net hollow component, the original shape is rapidly recovered due to the elasticity of the superposed support frame; when the upper surface of the steel mesh hollow component bears the concrete slump in an over-range manner, concrete segregation on the upper surface is possibly caused, at the moment, a thin plate or a thin sheet can be arranged between the ribbed steel mesh of the steel mesh hollow component and the wide group of the superposed support frames to block the concrete segregation, and the upper surface of the steel mesh hollow component with an arc shape can also be wound by adopting ultrathin non-woven fabrics; the steel mesh hollow component utilizes the arc 135 of the lower surface to form a space for the cast-in-place concrete to flow into the bottom of the steel mesh hollow component, which is equivalent to the fact that the prior art needs a measure of chamfering the bottom corner of a ribbed steel mesh body to enhance the fluidity of the concrete of the lower flange plate of the floor system flowing into the bottom of the steel mesh hollow component; meanwhile, the phenomena that concrete at the bottom corner of the ribbed steel mesh body is thick and concrete outside the bottom corner chamfered edge of the ribbed steel mesh body is relatively thin and unbalanced due to the obvious height difference of the bottom corner chamfered edge of the ribbed steel mesh body are overcome; in order to reinforce the stress state of the overlapped support frame in height, the number of the transverse cold-drawing steel wires 124 is increased or decreased except for changing the diameter of the longitudinal cold-drawing steel wires.
Fig. 4 is a side view of the combination of the short net and the steel net hollow member of the present invention, because the material of the short net base of the plug is changed and the arc 134 of the upper surface of the steel net hollow member is generated, in order to match the short net with the arc 134 of the upper surface and resist the lateral pressure, the two ends of the short net of the plug are overlapped with the reinforced steel sheets 137 with a width less than 200mm of the short net of the plug, and the overlapped reinforced steel sheets are directly placed in the edge ribs 116 of the steel net with ribs and combined with the cold-drawn steel wires at the edge of the wide group support frame to form a; the parts without the superimposed reinforced steel sheets are exposed at the eight outer corners of the steel mesh hollow-out component 13A and are close to the edges of the main body ribbed steel mesh; the part without the superimposed reinforced steel sheets is exposed at the four outer corners of the lower part of the steel mesh hollow component, and the exposed ribs form four corner supporting points 13B of the lower part of the 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, and the cold-poking steel wire 138 is arranged in at least two ribs of the area of the short net of the plug and is used for resisting the side pressure together with the short net rib 111 of the plug and the connecting sheet 112.
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 (10)
1. A steel mesh hollow component for resisting concrete segregation is composed of a ribbed steel mesh, an overlapped support frame, a plug short mesh and non-woven fabrics; the steel mesh with the ribs is a rhombic steel mesh and serves as a steel mesh hollow component main body; the superposed support frames in the steel mesh hollow components are divided into wide groups and narrow groups; the superposed support frame is formed by cross spot welding of longitudinal and transverse cold-drawn steel wires; the width of the wide group is the inner hollow width of the steel mesh hollow component main body, and cold drawn steel wires are arranged on two edges of the wide group; the width of the narrow group is more than 150mm, and the height of the narrow group is more than the horizontal height of the hollow space in the steel mesh hollow component and is higher than the wide group; the narrow groups are overlapped in the wide groups to form an overlapped support frame; reinforcing steel sheets are superposed on two ends of the plug short net; the length of the reinforced steel sheet is shorter than the width of the short net of the plug; the non-woven fabric is at least wound on the side body surface of the steel mesh hollow component.
2. The steel mesh lath member for resisting the segregation of concrete according to claim 1, wherein the meshes of the ribbed steel mesh form a diamond shape.
3. A steel mesh grid structure against concrete segregation as claimed in claim 1, wherein the ribs of said ribbed steel mesh are of different heights, at least two edges of the ribs being higher than the others.
4. The steel mesh hollow component for resisting concrete segregation as claimed in claim 1, wherein a thin plate or sheet is arranged between the ribbed steel mesh of the steel mesh hollow component and the wide group of the laminated support frames.
5. The steel mesh hollow component for resisting concrete segregation as claimed in claim 1, wherein the steel mesh hollow component 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 component body.
6. The steel net hollow component for resisting concrete segregation according to claim 1, wherein the diameters of the longitudinal cold-drawn steel wires of the wide group and the narrow group of the overlapped support frames are unequal, the diameter of the longitudinal cold-drawn steel wire of the narrow group is larger than that of the longitudinal cold-drawn steel wire of the wide group, and the diameter of the cold-drawn steel wire is smaller than 5 mm.
7. The steel mesh hollow-out component capable of resisting concrete segregation as claimed in claim 1, wherein after reinforcing steel sheets smaller than 200mm of the short net width of the plug are overlapped at two ends of the short net of the plug, the parts without the overlapped reinforcing steel sheets are exposed at eight outer corners of the steel mesh hollow-out component and abut against the edge of the steel mesh with ribs of the main body.
8. The steel net hollow structure for resisting concrete segregation as claimed in claim 1, wherein said plug short net has N ribs in the middle, and at least two ribs have cold drawn steel wires.
9. The steel mesh component for resisting concrete segregation as claimed in claim 1, wherein a plate body conveying air duct is arranged in the steel mesh component.
10. The steel mesh hollow component for resisting concrete segregation as claimed in claim 1, wherein the volume weight of the non-woven fabric wound on the side of the steel mesh hollow component is 14 g/m2Within.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020190424.XU CN212984325U (en) | 2020-02-20 | 2020-02-20 | Steel mesh hollow-out component capable of resisting concrete segregation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020190424.XU CN212984325U (en) | 2020-02-20 | 2020-02-20 | Steel mesh hollow-out component capable of resisting concrete segregation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212984325U true CN212984325U (en) | 2021-04-16 |
Family
ID=75397400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020190424.XU Expired - Fee Related CN212984325U (en) | 2020-02-20 | 2020-02-20 | Steel mesh hollow-out component capable of resisting concrete segregation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212984325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270802A (en) * | 2020-02-20 | 2020-06-12 | 湖南标迪夫节能科技有限公司 | Steel mesh hollow-out component capable of resisting concrete segregation |
-
2020
- 2020-02-20 CN CN202020190424.XU patent/CN212984325U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270802A (en) * | 2020-02-20 | 2020-06-12 | 湖南标迪夫节能科技有限公司 | Steel mesh hollow-out component capable of resisting concrete segregation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101949191B (en) | Method for constructing unsupported super-long irregularly-shaped overhanging floor | |
| CN212984325U (en) | Steel mesh hollow-out component capable of resisting concrete segregation | |
| CN207110165U (en) | A kind of prefabricated superimposed sheet of cast-in-place concrete for filling Cavity structural member | |
| CN108678398A (en) | A kind of high-rise building enhancement layer steel structure truss pre-assembly method | |
| CN109763650A (en) | A kind of Super High construction method of steel bar truss floor support plate | |
| CN107130720A (en) | PK prestressed concrete overlapped slab construction methods | |
| CN111270804A (en) | Steel mesh hollow-out cavity floor system capable of resisting concrete segregation | |
| CN213174776U (en) | Post-cast strip is with a formwork structure | |
| CN111270803A (en) | Steel mesh hollow component with supporting points | |
| CN111270802A (en) | Steel mesh hollow-out component capable of resisting concrete segregation | |
| CN212984324U (en) | Steel mesh hollow-out cavity floor system capable of resisting concrete segregation | |
| CN111021587B (en) | Double-layer steel plate composite shear wall with transverse type hole-opening corrugated web | |
| CN111411725A (en) | Steel mesh hollow component with arc shape | |
| CN108625488A (en) | A kind of detachable reinforcing steel truss plate end support node structure and construction method | |
| CN214402368U (en) | Detachment-free truss plate | |
| CN114800769A (en) | Manufacturing method of prefabricated honeycomb-shaped steel partially-wrapped recycled concrete column | |
| CN214302412U (en) | Steel wire mesh frame sandwich plate with disassembly-free mesh mold | |
| CN108691382A (en) | Pin-connected panel precast floor slab and its construction method | |
| CN205776898U (en) | Overall assembled reinforced concrete shear wall structure system | |
| CN213449073U (en) | Whole-room prefabricated composite floor slab of reinforced concrete without peripheral ribs | |
| CN209022250U (en) | A kind of prefabricated case beam steel construction pedestal | |
| CN113152761A (en) | Assembled reinforced concrete bidirectional ribbed laminated slab floor and construction method thereof | |
| CN208718191U (en) | Pin-connected panel precast floor slab | |
| CN112982771A (en) | Fully-prefabricated lattice type reinforced concrete support-free floor and manufacturing method thereof | |
| CN215759898U (en) | Exempt from to tear open steel bar truss template |
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 |