CN112176810A - Combined pneumatic precast concrete pavement laying method - Google Patents
Combined pneumatic precast concrete pavement laying method Download PDFInfo
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- CN112176810A CN112176810A CN202010932544.7A CN202010932544A CN112176810A CN 112176810 A CN112176810 A CN 112176810A CN 202010932544 A CN202010932544 A CN 202010932544A CN 112176810 A CN112176810 A CN 112176810A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
- E01C5/065—Pavings made of prefabricated single units made of units with cement or like binders characterised by their structure or component materials, e.g. concrete layers of different structure, special additives
Abstract
The invention discloses a combined pneumatic precast concrete pavement laying method, belonging to the field of pavement construction, which comprises the steps of firstly inflating the interior of a pneumatic soft groove frame so as to adjust the alignment of a plurality of concrete bricks and improve the flatness of the pavement, then injecting fine aggregate concrete into the pavement, on one hand, the fine aggregate concrete gradually covers a framework barbed net so as to form a keel in a connecting layer between two concrete bricks, further improving the strength of the connecting layer, further reducing the possibility of water seepage between the two concrete bricks by matching the action of a fiber connecting rod, on the other hand, a waterproof ball is pierced by the framework barbed net, and a connecting layer is formed between the two concrete bricks by using waterproof coating and the fine aggregate concrete in the waterproof ball, compared with the prior art, only the surface is subjected to waterproof treatment, so that the seepage resistance of the pavement is obviously improved, and the damage speed of the pavement is obviously reduced.
Description
Technical Field
The invention relates to the field of pavement construction, in particular to a method for paving a combined pneumatic precast concrete pavement.
Background
The precast concrete slabs are manufactured in factories and transported to construction sites to form a pavement which is an assembled (combined) concrete pavement. The fabricated concrete plate is generally made into a square or rectangle with the side length of 1-2 meters, and also can be made into a hexagon with the side length of 1.2 meters, and the plate thickness is 12-18 centimeters; the large-scale plate with the width of 3.5 meters and the length of 3-6 meters can be made, and corresponding transportation and hoisting machines are needed to be matched. The edges and corners of the plate can be provided with reinforcing steel bars, and the whole plate surface can also be provided with reinforcing steel bar nets. In order to improve the quality of concrete, the processes of prestress, vacuum water absorption, mechanical vibration, steam curing and the like can be adopted. The assembled concrete pavement slab can be produced all year round, is not influenced by climate and is easy to ensure the quality; and the paving progress is fast, the vehicle can be put through after paving, and the vehicle is easy to disassemble, replace and repair after being damaged. Therefore, the method is more suitable for parking yards and ports and docks, but has more seams and poor integrity, so the method is rarely adopted on highways and urban road trunks.
When laying precast concrete brick among the prior art, though just laying the completion is, connection between two adjacent concrete brick is comparatively inseparable, but along with the extension of time, the fragment of brick is very easily become flexible, very easily influences the road surface beautifully on the one hand to and the bearing nature on road surface, can lead to the fragment of brick to be cracked even, on the other hand, when rainy day, under its not hard up condition, the easy infiltration rainwater in space between two concrete brick, the moisture of infiltration causes the erosion to the road surface whole easily, the damage on road surface accelerates.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a combined pneumatic precast concrete pavement laying method, which can firstly inflate the interior of a plurality of concrete bricks by arranging a pneumatic soft groove frame so as to adjust the alignment of the concrete bricks and improve the flatness of the pavement, then inject fine aggregate concrete into the pavement, on one hand, the fine aggregate concrete gradually covers a framework barbed wire, so that a keel can be formed in a connecting layer between the two concrete bricks, further the strength of the connecting layer is improved, the possibility of water seepage between the two concrete bricks is further reduced by matching the action of a fiber connecting rod, on the other hand, a waterproof ball is pierced by the framework barbed wire, a connecting layer is formed between the two concrete bricks by the same waterproof coating and the fine aggregate concrete in the waterproof ball, compared with the prior art, only waterproof treatment is carried out on the surface, the seepage resistance of the pavement is obviously improved, and the damage speed of the pavement is obviously reduced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A combined pneumatic precast concrete pavement laying method comprises the following steps:
s1, firstly, cleaning a road surface to be constructed, excavating a groove, paving a roadbed, and leveling the roadbed after paving;
s2, paving a pneumatic soft groove frame on the roadbed, arranging a limiting plate at the edge of the pneumatic soft groove frame, and fixedly burying the limiting plate on the roadbed;
s3, coating a concrete layer at the bottom of the pneumatic soft groove frame, and then paving the prefabricated concrete bricks on the pneumatic soft groove frame one by one;
s4, inflating the pneumatic soft groove frame, and adjusting the positions of two adjacent concrete bricks and the flatness of the upper surface;
and S5, after the adjustment is completed, filling fine aggregate concrete into the pneumatic soft slot frame again until the pneumatic soft slot frame is completely unfolded, tightly connecting a plurality of concrete bricks to form a connecting layer, and then airing to finish pavement paving.
Further, the thickness of the concrete layer in the S3 is 2-3 cm.
Further, prefabricated concrete brick is provided with the unsmooth layer all around, the surface on unsmooth layer is uneven setting, through the unsmooth layer, can effectively increase concrete brick surface and S in the degree of combination of the fine aggregate concrete that pours into to effectively guarantee the degree of connection between two adjacent concrete bricks, effectively avoid two concrete brick junctions to intake simultaneously, and then effectively improve its life, can accelerate the rupture of gluing the hemisphere in advance simultaneously.
Furthermore, the pneumatic soft groove frame comprises a plurality of inflatable soft layers which are vertically and crossly distributed, the inflatable soft layers are communicated with each other, every two adjacent inflatable soft layers are provided with connecting pipes with valves at the intersection points, the connecting pipes are communicated with the inflatable soft layers, and the inflatable soft layers can be aerated or filled with fine aggregate concrete through the connecting pipes.
Furthermore, when the fine aggregate concrete is injected in the S, one connecting pipe is injected into the fine aggregate concrete, and the other connecting pipe is kept in an open state, so that the connecting pipe in the open state can effectively discharge the gas filled in the connecting pipe when the fine aggregate concrete is injected, and the influence of the gas filled in the connecting pipe on the injection of the fine aggregate concrete is effectively avoided.
Further, the inflatable soft layer comprises a compression layer and a welt layer wrapped on the outer surface of the compression layer, an inner inflatable cavity is arranged in the middle of the compression layer and communicated with a connecting pipe, a plurality of waterproof balls which are uniformly distributed are embedded in the welt layer close to the edge, waterproof paint is filled in the waterproof balls, a plurality of pre-bonded hemispheres are fixedly connected to the outer surface of the welt layer, caulking agents are filled in the pre-bonded hemispheres, the connecting strength between two concrete bricks is effectively increased, when gas is filled in the welt layer, the inner inflatable cavity expands, the welt layer and the compression layer are squeezed towards two sides, a framework barbed net in the welt layer is squeezed, so that the inner wall of the inner inflatable cavity is pierced, then when the fine aggregate concrete is filled, the fine aggregate concrete is convenient to cover the framework barbed net through the inner wall of the damaged inner inflatable cavity, and the framework barbed net is gradually close to the waterproof balls along with more and more filling amount, and the edges of the welting layers are stuck, so that the waterproof coating in the waterproof ball overflows, and is spread to the outer side of the inflatable soft layer together with the fine aggregate concrete to be combined with the adjacent concrete bricks, the waterproofness of the two concrete bricks is effectively improved, the water seepage between the two concrete bricks is further effectively inhibited, and the service life of the pavement is further effectively ensured.
Further, compression layer inside inlays and has skeleton acanthopore network, skeleton acanthopore network includes vertical even silk and horizontal even silk of a plurality of criss-cross, vertical even silk and horizontal even mutual fixed connection of silk, vertical even silk and the two-way thorn of the equal fixedly connected with of horizontal even silk surface, two-way thorn can be used for pricking interior bloated air cavity inner wall and the layer of bordering on to be convenient for the whole gas pocket of gravy concrete infiltration, after the gardney concrete infiltration covers skeleton acanthopore network, it can regard as the skeleton on the articulamentum between two concrete fragment of brick, and then improves the intensity on this articulamentum, further reduces the possibility of infiltration between two concrete fragment of brick.
Further, be provided with interior caulking groove on the hem layer, the bottom end fixedly connected with fibre connecting rod in the interior caulking groove, outside fibre connecting rod tip extended to interior caulking groove, the fibre connecting rod can contact with another concrete brick's surface for the conjugation degree of pea gravel concrete and concrete brick is higher, effectively avoids the difficult fracture when using of articulamentum that pea gravel concrete formed between two concrete bricks.
Furthermore, the fiber connecting rod comprises an inner fixed ball fixedly connected with the embedded groove and a fiber bundle fixedly connected to the upper end of the inner fixed ball, and the fiber bundle penetrates through the embedded groove.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through the setting of pneumatic soft truss, can aerify to its inside earlier, thereby adjust the regularity nature between a plurality of concrete brick pieces each other, improve the roughness on this road surface, later pour into the pea gravel concrete into to it again, on the one hand the pea gravel concrete covers the skeleton barbed wire gradually, thereby can form fossil fragments in the articulamentum between two concrete brick pieces, and then improve the intensity on this articulamentum, the effect of cooperation fibre connecting rod, further reduce the possibility of seeping water between two concrete brick pieces, on the other hand waterproof ball is punctured by the skeleton barbed wire, waterproof coating and pea gravel concrete in it form the articulamentum together between two concrete brick pieces, compare in prior art, only carry out water repellent at the surface, show the prevention of seepage nature that improves this road surface, and then show the damage speed that reduces the road surface.
(2) Prefabricated concrete brick is provided with the concave-convex layer all around, and the surface on concave-convex layer is uneven setting, through the concave-convex layer, can effectively increase concrete brick surface and S in the combination degree of the fine aggregate concrete of pouring into to effectively guarantee the degree of connection between two adjacent concrete bricks, effectively avoid two concrete brick junctions to intake simultaneously, and then effectively improve its life, can accelerate simultaneously and glue breaking of hemisphere in advance.
(3) The pneumatic soft slot frame comprises a plurality of inflatable soft layers which are vertically and crossly distributed, the inflatable soft layers are mutually communicated, connecting pipes with valves are arranged at the intersection points of every two adjacent inflatable soft layers, the connecting pipes are communicated with the inflatable soft layers, and the inflatable soft layers can be aerated or filled with fine aggregate concrete.
(4) When the fine aggregate concrete is injected in the step S5, one of the two adjacent connecting pipes is filled with the fine aggregate concrete, and the other connecting pipe is kept in an open state, so that the connecting pipe in the open state can effectively discharge the gas filled inside when the fine aggregate concrete is injected, and the influence of the gas filled inside on the injection of the fine aggregate concrete is effectively avoided.
(5) The inflatable soft layer comprises a compression layer and a welt layer wrapped on the outer surface of the compression layer, an inner inflatable cavity is arranged in the middle of the compression layer and communicated with a connecting pipe, a plurality of waterproof balls which are uniformly distributed are embedded in the welt layer close to the edge, waterproof paint is filled in the waterproof balls, a plurality of pre-bonded hemispheres are fixedly connected on the outer surface of the welt layer, caulking agents are filled in the pre-bonded hemispheres, the connecting strength between two concrete bricks is effectively increased, the inner inflatable cavity expands greatly when gas is filled, the welt layer and the compression layer are extruded to two sides, a framework barbed net in the welt layer is extruded, so that the inner wall of the inner inflatable cavity is pierced, then when fine stone concrete is filled, the fine stone concrete covers the framework barbed net through the inner wall of the damaged inner inflatable cavity, the framework barbed net is gradually close to the waterproof balls along with more and more filling amount, and the edge of the welt layer is attached, thereby puncture the two for waterproof coating spills over in the waterproof ball, and with the fine aggregate concrete together stretch to the soft layer outside of physiosis and close to the concrete brick combination, thereby effectively improve the waterproof nature of two concrete brick departments, further effectively restrain the infiltration water between two concrete brick, and then effectively guarantee the life on this road surface.
(6) The compression layer is internally inlaid with a framework barbed wire mesh, the framework barbed wire mesh comprises a plurality of longitudinal continuous wires and transverse continuous wires which are crossed vertically and horizontally, the longitudinal continuous wires and the transverse continuous wires are fixedly connected with each other, the longitudinal continuous wires and the transverse continuous wires are fixedly connected with the outer surface in a two-way manner, the two-way barbs can be used for piercing the inner expansion air cavity inner wall and the edge pasting layer, so that the whole air expansion soft layer can be conveniently infiltrated by fine aggregate concrete, the framework can be used as a connecting layer between two concrete bricks after the framework barbed wire mesh is infiltrated by the fine aggregate concrete, the strength of the connecting layer is further improved, and the possibility of water seepage between the two concrete bricks is further reduced.
(7) Be provided with interior caulking groove on the hem layer, the bottom end fixedly connected with fibre connecting rod in the embedded groove, outside fibre connecting rod tip extended to interior caulking groove, the fibre connecting rod can contact with another concrete brick's surface for the conjugation degree of pea gravel concrete and concrete brick is higher, effectively avoids the nexine of pea gravel concrete formation between two concrete bricks to be difficult for when using the fracture.
Drawings
FIG. 1 is a schematic diagram of the main flow structure of the present invention;
FIG. 2 is a schematic structural view of a concrete block of the present invention;
FIG. 3 is a schematic view of the structure of the inflatable soft layer of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
fig. 5 is a schematic structural view of the framework barbed wire portion of the present invention.
The reference numbers in the figures illustrate:
the inflatable bag comprises an inflatable soft layer 1, a compression layer 11, a side layer 12, an inner inflatable cavity 13, a connecting pipe 2, a waterproof ball 3, an inner embedded groove 4, an inner fixed ball 51, a fiber bundle 52, a pre-bonded hemisphere 6, a longitudinal connecting wire 71, a transverse connecting wire 72 and a bidirectional spine 73.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a method for laying a combined pneumatic precast concrete pavement includes the following steps:
s1, firstly, cleaning a road surface to be constructed, excavating a groove, paving a roadbed, and leveling the roadbed after paving;
s2, paving a pneumatic soft groove frame on the roadbed, arranging a limiting plate at the edge of the pneumatic soft groove frame, and fixedly burying the limiting plate on the roadbed;
s3, coating a concrete layer at the bottom of the pneumatic soft groove frame, and then paving the prefabricated concrete bricks on the pneumatic soft groove frame one by one;
s4, inflating the pneumatic soft groove frame, and adjusting the positions of two adjacent concrete bricks and the flatness of the upper surface;
and S5, after the adjustment is completed, filling fine aggregate concrete into the pneumatic soft slot frame again until the pneumatic soft slot frame is completely unfolded, tightly connecting a plurality of concrete bricks to form a connecting layer, and then airing to finish pavement paving.
S3, the thickness of the concrete layer is 2-3cm, please refer to fig. 2, wherein a represents the concrete brick, b represents the concave-convex layer, the concave-convex layer is arranged around the prefabricated concrete brick, the surface of the concave-convex layer is not smooth, through the concave-convex layer, the bonding degree of the outer surface of the concrete brick and the moisture-absorbing concrete injected in S5 can be effectively increased, thereby effectively ensuring the connectivity between two adjacent concrete bricks, effectively avoiding water from entering the joint of the two concrete bricks, and further effectively prolonging the service life of the connector, when the fine aggregate concrete is injected in S5, in the adjacent two connecting pipes 2, one connecting pipe 2 is filled with fine aggregate concrete, the other connecting pipe 2 is kept in an open state, can effectively guarantee when pouring into the pea gravel concrete, the inside gas that fills can be discharged to the connecting pipe 2 of open mode, effectively avoids the gas that fills to cause the influence to the injection of pea gravel concrete.
The pneumatic soft slot frame comprises a plurality of inflatable soft layers 1 which are vertically and crossly distributed, the inflatable soft layers 1 are mutually communicated, a connecting pipe 2 with a valve is arranged at the intersection point of every two adjacent inflatable soft layers 1, the connecting pipe 2 is communicated with the inflatable soft layers 1, and fine aggregate concrete can be introduced or injected into the inflatable soft layers 1 through the connecting pipe 2; referring to fig. 3, the inflatable soft layer 1 includes a compression layer 11 and a welt layer 12 wrapped on the outer surface of the compression layer 11, an inner inflatable chamber 13 is disposed in the middle of the compression layer 11, the inner inflatable chamber 13 is communicated with the connecting pipe 2, a plurality of waterproof balls 3 are embedded inside the welt layer 12 near the edge, the waterproof balls 3 are filled with waterproof paint, a plurality of pre-bonded hemispheres 6 are fixedly connected to the outer surface of the welt layer 12, the pre-bonded hemispheres 6 are filled with caulking agent, the inner inflatable chamber 13 expands greatly when gas is filled, the welt layer 12 and the compression layer 11 are squeezed towards both sides, a skeleton barbed net in the welt layer 12 is squeezed, so as to pierce the inner wall of the inner inflatable chamber 13, then when the fine aggregate concrete is filled, the fine aggregate concrete covers the skeleton barbed net through the inner wall of the damaged inner inflatable chamber 13, the skeleton barbed net gradually approaches the waterproof balls 3 along with the increase of the amount of the filled skeleton, and the edge of the welt layer 12, thereby puncture the two for waterproof coating spills over in the waterproof ball 3, and with the fine aggregate concrete together stretch to the soft layer of physiosis 1 outside and the concrete brick block that is close to combine, thereby effectively improve the waterproof nature of two concrete brick departments, further effectively restrain the infiltration water between two concrete brick blocks, and then effectively guarantee the life on this road surface.
Referring to fig. 5, a framework barbed wire is inlaid in the compression layer 11, the framework barbed wire includes a plurality of longitudinal connecting wires 71 and transverse connecting wires 72 which are criss-cross, the longitudinal connecting wires 71 and the transverse connecting wires 72 are fixedly connected with each other, the outer surfaces of the longitudinal connecting wires 71 and the transverse connecting wires 72 are fixedly connected with two-way barbs 73, the two-way barbs 73 can be used for piercing the inner wall of the inner inflatable cavity 13 and the welting layer 12, so that the fine stone concrete can permeate the whole inflatable soft layer 1, the fine stone concrete can be used as a framework of a connecting layer between two concrete bricks after permeating the framework barbed wire to cover the framework barbed wire, the strength of the connecting layer is further improved, the possibility of water permeation between the two concrete bricks is further reduced, an inner embedded groove 4 is arranged on the welting layer 12, a fiber connecting rod is fixedly connected to the inner bottom end of the embedded groove 4 and comprises an inner fixed ball 51 fixedly connected to the embedded groove 4 and a fiber bundle 52 fixedly connected to, fibre bundle 52 runs through interior caulking groove 4, and outside fibre connecting rod tip extended to interior caulking groove 4, the fibre connecting rod can contact with another concrete brick's surface for the fine aggregate concrete is higher with concrete brick's combination degree, effectively avoids the nexine that fine aggregate concrete formed between two concrete bricks to be difficult for when using the fracture.
Through the arrangement of the pneumatic soft groove frame, when the pavement is paved, firstly, the pneumatic soft groove frame can be inflated, so that the regularity of a plurality of concrete bricks can be adjusted, the pavement planeness of the pavement to be paved is effectively ensured to be higher, then, fine aggregate concrete can be injected into the pneumatic soft groove frame, on one hand, the fine aggregate concrete gradually covers the framework barbed wire, after the fine aggregate concrete permeates and covers the framework barbed wire, the fine aggregate concrete can be used as a framework of a connecting layer between two concrete bricks, so that the strength of the connecting layer is improved, the possibility of water seepage between the two concrete bricks is further reduced under the action of the fiber connecting rod, on the other hand, the waterproof ball 3 is pierced by the framework barbed wire, the waterproof coating and the fine aggregate concrete in the waterproof ball form the connecting layer between the two concrete bricks, compared with the prior art, only the surface is subjected to waterproof treatment, and the seepage resistance of the pavement is obviously improved, thereby significantly reducing the speed of damage to the road surface.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (9)
1. A combined pneumatic precast concrete pavement laying method is characterized in that: the method comprises the following steps:
s1, firstly, cleaning a road surface to be constructed, excavating a groove, paving a roadbed, and leveling the roadbed after paving;
s2, paving a pneumatic soft groove frame on the roadbed, arranging a limiting plate at the edge of the pneumatic soft groove frame, and fixedly burying the limiting plate on the roadbed;
s3, coating a concrete layer at the bottom of the pneumatic soft groove frame, and then paving the prefabricated concrete bricks on the pneumatic soft groove frame one by one;
s4, inflating the pneumatic soft groove frame, and adjusting the positions of two adjacent concrete bricks and the flatness of the upper surface;
and S5, after the adjustment is completed, filling fine aggregate concrete into the pneumatic soft slot frame again until the pneumatic soft slot frame is completely unfolded, tightly connecting a plurality of concrete bricks to form a connecting layer, and then airing to finish pavement paving.
2. The combined pneumatic precast concrete pavement laying method according to claim 1, characterized in that: and the thickness of the concrete layer in the S3 is 2-3 cm.
3. The combined pneumatic precast concrete pavement laying method according to claim 1, characterized in that: the prefabricated concrete brick is characterized in that concave-convex layers are arranged on the periphery of the prefabricated concrete brick, and the surfaces of the concave-convex layers are all arranged in an unsmooth mode.
4. The combined pneumatic precast concrete pavement laying method according to claim 1, characterized in that: the pneumatic soft slot frame comprises a plurality of inflatable soft layers (1) which are vertically and crossly distributed, the inflatable soft layers (1) are communicated with one another, every two adjacent inflatable soft layers (1) are provided with connecting pipes (2) with valves at intersection points, and the connecting pipes (2) are communicated with the inflatable soft layers (1).
5. The combined pneumatic precast concrete pavement laying method according to claim 4, characterized in that: in the step S5, when the fine gravel concrete is injected, one of the two adjacent connection pipes (2) is injected with the fine gravel concrete, and the other connection pipe (2) is kept open.
6. The combined pneumatic precast concrete pavement laying method according to claim 4, characterized in that: the inflatable soft layer (1) comprises a compression layer (11) and a binding layer (12) wrapped on the outer surface of the compression layer (11), an inner inflatable air cavity (13) is arranged in the middle of the compression layer (11), the inner inflatable air cavity (13) is communicated with a connecting pipe (2), a plurality of uniformly distributed waterproof balls (3) are inlaid in the binding layer (12) close to the edge, waterproof paint is filled in the waterproof balls (3), a plurality of pre-bonded hemispheres (6) are fixedly connected to the outer surface of the binding layer (12), and a gap filler is filled in the pre-bonded hemispheres (6).
7. The combined pneumatic precast concrete pavement laying method according to claim 6, characterized in that: the utility model discloses a compression layer, including compression layer (11), skeleton barbed wire includes vertical even silk (71) and horizontal even silk (72) of a plurality of criss-cross, vertical even silk (71) and horizontal even silk (72) mutual fixed connection, vertical even silk (71) and horizontal even silk (72) surface equal fixedly connected with two-way thorn (73).
8. The combined pneumatic precast concrete pavement laying method according to claim 6, characterized in that: be provided with on the hem layer (12) interior caulking groove (4), the bottom end fixedly connected with fibre connecting rod in interior caulking groove (4), fibre connecting rod tip extends outside interior caulking groove (4).
9. A combined pneumatic precast concrete pavement laying method according to claim 8, characterized in that: the fiber connecting rod comprises an inner fixed ball (51) fixedly connected with the inner embedded groove (4) and a fiber bundle (52) fixedly connected to the upper end of the inner fixed ball (51), and the fiber bundle (52) penetrates through the inner embedded groove (4).
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| CN107268812A (en) * | 2017-08-18 | 2017-10-20 | 淮北庆荣高光建筑科技有限公司 | A kind of anti-dropout exterior wall with anticreep rod |
| CN107448004A (en) * | 2017-08-18 | 2017-12-08 | 淮北庆荣高光建筑科技有限公司 | A kind of exterior wall anti-dropout filled type internal repair ball |
| CN107740321A (en) * | 2017-09-07 | 2018-02-27 | 中国十七冶集团有限公司 | A kind of arc interface assembly precast concrete pavement |
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