CN103334362A - Fabricated precast reinforced concrete wear-resistant pavement slab and pavement construction method - Google Patents
Fabricated precast reinforced concrete wear-resistant pavement slab and pavement construction method Download PDFInfo
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- CN103334362A CN103334362A CN2013102590117A CN201310259011A CN103334362A CN 103334362 A CN103334362 A CN 103334362A CN 2013102590117 A CN2013102590117 A CN 2013102590117A CN 201310259011 A CN201310259011 A CN 201310259011A CN 103334362 A CN103334362 A CN 103334362A
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Abstract
The invention relates to a fabricated precast reinforced concrete wear-resistant pavement slab and a pavement construction method. The wear-resistant pavement slab comprises a precast concrete body, slab main reinforcements and slab web reinforcements which are wrapped in the slab body, a wear-resistant surface layer and fiber tubes embedded in the top of the precast concrete body, wherein the precast concrete body is a rectangular solid standard block having a length of 3m, a width of 1m and a thickness of 0.3m; the slab main reinforcements are distributed on the top and the bottom of the precast concrete body; the slab web reinforcements are evenly distributed at intervals between the slab main reinforcements on the top and the bottom, and are fixedly connected with the slab main reinforcements; and the wear-resistant surface layer is positioned on the upper surface of the precast concrete body, and is cast with the precast concrete body into a whole on site. The invention has the advantages of high structural strength, convenient transportation process, reusability, high construction efficiency and the like, and can be widely used for road rehabilitation and temporary construction road construction.
Description
Technical field
The present invention relates to a kind of prefabricated bridge-type road slab and pavement construction method.
Background technology
At present, the road structure system of road traffic is mainly the cast-in-situ concrete pavement system, because the ordinary Portland cement setting and harden is slow, the strength developing time is long, generally needs seal maintenance 14 days to concrete strength and reaches more than 80% of design strength, can open to traffic, delay the duration.In addition, after the process of being delivered for use, can run into usually because improper use or service time need repair existing road surface than length, the repair process complexity, the reparation duration is longer, especially for important road, can affect greatly public's traffic.In addition, in road construction and building operations, often need to lay some interim builder's roads, these temporary roads need to remove after function of use is finished, if adopt the cast-in-situ concrete pavement system, and the waste lot of manpower and material resources, and produce a large amount of building wastes, environment is worked the mischief.
Given this, the present invention is to seek the prefabricated road surface of a kind of standardization emphatically, can realize rapid construction and reparation, improves road construction efficient.
Summary of the invention
The purpose of this invention is to provide a kind of prefabricated steel concrete wear resistant road surface plate and pavement construction method, solve existing cast-in-situ concrete road slab, long construction period is repaired difficulty, use and finish back dismounting inconvenience, be easy to generate the technical problem of a large amount of building wastes.
For achieving the above object, the present invention adopts following technical scheme:
A kind of prefabricated steel concrete wear resistant road surface plate, by the precast concrete body, be wrapped in the plate master muscle in the plate body, plate abdomen muscle, wear-resistant coat and the fiber tube composition that is embedded in the precast concrete bodies top, described precast concrete body is that length is 3m, width is 1m, thickness is the cuboid calibrated bolck of 0.3m, described plate master muscle is distributed in top and the bottom of precast concrete body, described plate abdomen muscle is uniformly at intervals between the plate master muscle of top and bottom, and fixedly connected with plate master muscle, described wear-resistant coat is positioned at the upper surface of precast concrete body, and is cast as one with the precast concrete body.
Described fiber tube is at least four, is distributed in the precast concrete bodies top near corner positions.
Described fiber tube is made up of internal thread sleeve pipe, external screw thread rod iron, rectangle anchor slab and bar dowel, described external screw thread rod iron is vertically welded in rectangle anchor slab center, described internal thread sleeve pipe and external screw thread rod iron are threaded, described bar dowel is symmetrically welded at external screw thread rod iron both sides near rectangle anchor slab marginal position, and rectangle anchor slab edge is all exposed at its two ends.
Described inner screw sheath external diameter of pipe is 4cm, and internal diameter is 2cm, highly is 8cm; The diameter of described external screw thread rod iron is 2cm, highly is 8cm; The length of described rectangle anchor slab is 15cm, and width is 10cm, and thickness is 1cm; The diameter of described bar dowel is 1cm.
Described plate abdomen muscle is several fonts or rectangle.
The bottom of described precast concrete body is embedded with suspension ring.
Adopt described prefabricated steel concrete wear resistant road surface plate to carry out pavement construction method, step is as follows:
Step 2, prefabricated assembled prefabricated reinforced concrete wear resistant road surface plate; Prefabricated process is: colligation plate master's muscle and plate abdomen muscle, and at the default fiber tube of its soffit, and the plate master muscle at described fiber tube top and top is welded to connect, build wear-resistant coat then earlier, build the precast concrete body afterwards and carry out maintenance, and suspension ring are preset on the surface thereon;
Step 5 is transported to the job site with prefabricated inverted T shape strip foundation and prefabricated steel concrete wear resistant road surface plate;
Step 6 at the pre-buried position of inverted T shape strip foundation end face fiber tube dress suspension ring, winches to the installation site with the inverted T shape strip foundation, lays down suspension ring;
Step 7 is at the pad L of the step place of prefabricated inverted T shape strip foundation type rubber pad;
Step 8 adopts the mode identical with lifting the inverted T shape strip foundation that prefabricated steel concrete wear resistant road surface plate is winched to the installation site, and is erected at T type strip foundation step place, and holds out against with the edge of a wing and the web of T type strip foundation.
Advantages such as the prefabricated steel concrete wear resistant road surface of the present invention plate is compared with traditional road pavement and method for maintaining, has the structural strength height, is convenient to transportation, and is reusable, and it is efficient to construct are in particular in the following aspects:
1) convenient transportation.Though structure is built by steel concrete, the volume of each piece is little, so monolithic weight is not approximately 1.5 tons, transports more convenient and is standardized structural element, transports more convenient.
2) Fast Installation, easy construction.Structure top is provided with built-in fitting, makes that installing and the removal of prefabricated steel concrete wear resistant road surface plate circuit face system lifting suspension ring are very convenient, and then makes that the lifting of this prefabricated steel concrete wear resistant road surface plate circuit face system is very convenient.In when construction, earlier reinforced concrete strip foundation is lifted smooth road surface, the darker beam slab of steel concrete is lifted on the strip foundation, after splicing is finished, without any need for being connected, can use between between piece and the piece and piece and the basis.
3) the required plant equipment of construction is few, and material usage is economized, and low its of energy consumption can be reused, and reduces construction costs and other expense greatly.Be prefabricated in the factory because adorning prefabricated reinforced concrete strip foundation and the dark beam slab of prefabricated reinforced concrete, at the construction field (site), only need grading, lifting is laid this prefabricated steel concrete wear resistant road surface plate circuit face system and is got final product, to temporary road, it is recyclable to use up the back, in order to using next time, further saves material usage.
4) pavement construction is few to ambient influnence.Traditional pavement construction needs more construction machinery, produces bigger noise during the construction machinery operation.Simultaneously, waste material of buildings is more in traditional pavement engineering construction, comprises water conservancy, timber, packaging material, discarded mould etc.These refuses are buried under the ground, and can cause phreatic pollution.The present invention is prefabricated at the workshop, and refuse is less and can focus on, to the almost not influence of job site environment.
5) namely spread i.e. usefulness, open to traffic early.In case laying construction finishes, just open to traffic immediately behind the removal suspension ring.Even can be open to traffic while constructing, be conducive to conveniently marching into the arena of construction machinery and Construction traffic, accelerating construction progress.The time that is open to traffic behind the construction of cement concrete road surface, the time that is open to traffic behind the asphalt concrete pavement construction, prefabricated steel concrete wear resistant road surface plate circuit face system of the present invention can namely be spread i.e. usefulness greater than 3 days greater than 16 days, even the shop, limit is just used.
6) dismounting freely.Prefabricated steel concrete wear resistant road surface plate circuit face system is reusable, can lay in advance, is transported to on-the-spot the laying when to be needed and gets final product.Built-in fitting is housed in the structure, installs, the removal suspension ring are very convenient, structure hoisting fashionable dress upper lift ring can lift.
7) technology is simple, and cost is lower, and prefabricated steel concrete wear resistant road surface plate circuit face system adopts ordinary reinforced concrete as the preparation material, and the cost of material is low, and structure is unified standard size, Mold Making and build all very convenient.Applied widely.Prefabricated steel concrete wear resistant road surface plate circuit face system is applicable to the various roadbeds with certain bearing capacity, can not only be used in the laying of construction with interim matter transportation road, can also be used for rushing to repair the road that is damaged in the earthquake.
8) by being lined with L type rubber pad at prefabricated reinforced concrete road slab and prefabricated inverted T shape strip foundation contact surface, submit the vibration damping and vibration isolation effect of bridge to, improve the application life of bridge.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.Fig. 1 is the plan view of prefabricated steel concrete wear resistant road surface plate.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the fiber tube detail drawing.
Fig. 5 is Fig. 4 vertical view.
Reference numeral: 1-precast concrete body, 2-plate master muscle, 3-plate abdomen muscle, 4-fiber tube, 4.1-internal thread sleeve pipe, 4.2-external screw thread rod iron, 4.3-rectangle anchor slab, 4.4-bar dowel, 5-suspension ring, 6-wear-resistant coat.
The specific embodiment
Embodiment is referring to shown in Fig. 1 to 3, a kind of prefabricated steel concrete wear resistant road surface plate, by precast concrete body 1, be wrapped in the plate master muscle 2 in the plate body, plate abdomen muscle 3, wear-resistant coat 6 and fiber tube 4 compositions that are embedded in precast concrete body 1 top, described precast concrete body 1 is 3m for length, width is 1m, thickness is the cuboid calibrated bolck of 0.3m, described plate master muscle 2 is distributed in top and the bottom of precast concrete body 1, described plate abdomen muscle 3 is uniformly at intervals between the plate master muscle 2 of top and bottom, and fixedly connected with plate master muscle 2, described wear-resistant coat 6 is positioned at the upper surface of precast concrete body 1, and is cast as one with precast concrete body 1.
Described fiber tube 4 is at least four, is distributed in precast concrete body 1 top near corner positions.
Described fiber tube 4 is made up of internal thread sleeve pipe 4.1, external screw thread rod iron 4.2, rectangle anchor slab 4.3 and bar dowel 4.4, described external screw thread rod iron 4.2 is vertically welded in rectangle anchor slab 4.3 centers, described internal thread sleeve pipe 4.1 and external screw thread rod iron 4.2 are threaded, described bar dowel 4.4 is symmetrically welded at external screw thread rod iron 4.2 both sides near rectangle anchor slab 4.3 marginal positions, and rectangle anchor slab 4.3 edges are all exposed at its two ends.Described internal thread sleeve pipe 4.1 external diameters are 4cm, and internal diameter is 2cm, highly are 8cm; The diameter of described external screw thread rod iron 4.2 is 2cm, highly is 8cm; The length of described rectangle anchor slab 4.3 is 15cm, and width is 10cm, and thickness is 1cm; The diameter of described bar dowel 4.4 is 1cm, referring to Fig. 4 and Fig. 5.
Described plate abdomen muscle 3 is several fonts or rectangle.To the end, the submarginal limb of plate abdomen muscle of several fonts is bending upwards in the length of plate.
The bottom of described precast concrete body 1 is embedded with suspension ring 5, and described suspension ring 5 are welded to connect with the plate master muscle 2 of bottom.Described suspension ring 5 are formed by the reinforcing bar bending or are the finished product suspension ring.
Adopt described prefabricated steel concrete wear resistant road surface plate to carry out pavement construction method, step is as follows:
Step 2, prefabricated assembled prefabricated reinforced concrete wear resistant road surface plate; Prefabricated process is: colligation plate master muscle 2 and plate abdomen muscle 3, and at the default fiber tube 4 of its soffit, and the plate master muscle 2 at described fiber tube 4 tops and top is welded to connect, build wear-resistant coat 6 then earlier, build precast concrete body 1 afterwards and carry out maintenance, and suspension ring 5 are preset on the surface thereon;
Step 5 is transported to the job site with prefabricated inverted T shape strip foundation and prefabricated steel concrete wear resistant road surface plate;
Step 6 at the pre-buried position of inverted T shape strip foundation end face fiber tube dress suspension ring, winches to the installation site with the inverted T shape strip foundation, lays down suspension ring;
Step 7 is at the pad L of the step place of prefabricated inverted T shape strip foundation type rubber pad;
Step 8, adopt the mode identical with lifting inverted T shape strip foundation that prefabricated steel concrete wear resistant road surface plate is winched to the installation site, and be erected at T type strip foundation step place, and and the edge of a wing of T type strip foundation and web holds out against between road slab and banket in both sides.And banket and jolt ramming to the place, slit that connects between plate and the plate, the environment of an opposed flattened is provided for travelling of vehicle.Also want earth filling tamping in plate body both sides, road surface, to improve the lateral stability of road slab.
The length of described prefabricated inverted T shape strip foundation is 4m, and flange width is 1m, and edge of a wing thickness is 0.3m, web width 0.5m, and web height 0.35m also is standard component.
Claims (7)
1. prefabricated steel concrete wear resistant road surface plate, it is characterized in that: by precast concrete body (1), be wrapped in the plate master muscle (2) in the plate body, plate abdomen muscle (3), wear-resistant coat (6) and fiber tube (4) composition that is embedded in precast concrete body (1) top, described precast concrete body (1) is 3m for length, width is 1m, thickness is the cuboid calibrated bolck of 0.3m, described plate master muscle (2) is distributed in top and the bottom of precast concrete body (1), described plate abdomen muscle (3) is uniformly at intervals between the plate master muscle (2) of top and bottom, and fixedly connected with plate master muscle (2), described wear-resistant coat (6) is positioned at the upper surface of precast concrete body (1), and is cast as one with precast concrete body (1).
2. prefabricated steel concrete wear resistant road surface plate according to claim 1, it is characterized in that: described fiber tube (4) is at least four, is distributed in precast concrete body (1) top near corner positions.
3. prefabricated steel concrete wear resistant road surface plate according to claim 1, it is characterized in that: described fiber tube (4) is by internal thread sleeve pipe (4.1), external screw thread rod iron (4.2), rectangle anchor slab (4.3) and bar dowel (4.4) are formed, described external screw thread rod iron (4.2) is vertically welded in rectangle anchor slab (4.3) center, described internal thread sleeve pipe (4.1) and external screw thread rod iron (4.2) are threaded, described bar dowel (4.4) is symmetrically welded at external screw thread rod iron (4.2) both sides near rectangle anchor slab (4.3) marginal position, and rectangle anchor slab (4.3) edge is all exposed at its two ends.
4. prefabricated steel concrete wear resistant road surface plate according to claim 3, it is characterized in that: described internal thread sleeve pipe (4.1) external diameter is 4cm, and internal diameter is 2cm, highly is 8cm; The diameter of described external screw thread rod iron (4.2) is 2cm, highly is 8cm; The length of described rectangle anchor slab (4.3) is 15cm, and width is 10cm, and thickness is 1cm; The diameter of described bar dowel (4.4) is 1cm.
5. according to claim 1 or 3 described prefabricated steel concrete wear resistant road surface plates, it is characterized in that: described plate abdomen muscle (3) is several fonts or rectangle.
6. according to claim 1 or 3 described prefabricated steel concrete wear resistant road surface plates, it is characterized in that: the bottom of described precast concrete body (1) is embedded with suspension ring (5).
7. adopt any described prefabricated steel concrete wear resistant road surface plate of claim 1 to 6 to carry out pavement construction method, it is characterized in that: step is as follows:
Step 1, prefabricated inverted T shape strip foundation;
Step 2, prefabricated assembled prefabricated reinforced concrete wear resistant road surface plate; Prefabricated process is: colligation plate master muscle (2) and plate abdomen muscle (3), and at the default fiber tube (4) of its soffit, and the plate master muscle (2) at described fiber tube (4) top and top is welded to connect, build wear-resistant coat (6) then earlier, build precast concrete body (1) afterwards and carry out maintenance, and suspension ring (5) are preset on the surface thereon;
Step 3, behind the prefabricated steel concrete wear resistant road surface sheet metal forming, catch on suspension ring by crane gear, prefabricated steel concrete wear resistant road surface plate is sling, the demoulding, then suspension ring are cut off, and the upset of prefabricated steel concrete wear resistant road surface plate made have facing up of fiber tube (4);
Step 4 is removed roadbase, and will flatten by machinery;
Step 5 is transported to the job site with prefabricated inverted T shape strip foundation and prefabricated steel concrete wear resistant road surface plate;
Step 6 at the pre-buried position of inverted T shape strip foundation end face fiber tube dress suspension ring, winches to the installation site with the inverted T shape strip foundation, lays down suspension ring;
Step 7 is at the pad L of the step place of prefabricated inverted T shape strip foundation type rubber pad;
Step 8 adopts the mode identical with lifting the inverted T shape strip foundation that prefabricated steel concrete wear resistant road surface plate is winched to the installation site, and is erected at T type strip foundation step place, and holds out against with the edge of a wing and the web of T type strip foundation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310259011.7A CN103334362B (en) | 2013-06-26 | 2013-06-26 | Prefabricated steel concrete wear resistant road surface plate and pavement construction method |
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| CN201310259011.7A CN103334362B (en) | 2013-06-26 | 2013-06-26 | Prefabricated steel concrete wear resistant road surface plate and pavement construction method |
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| CN103334362A true CN103334362A (en) | 2013-10-02 |
| CN103334362B CN103334362B (en) | 2015-10-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107059574A (en) * | 2016-12-07 | 2017-08-18 | 华南农业大学 | A kind of method of concrete structure and its prefabricated assembled cement concrete pavement of leveling |
| CN112853849A (en) * | 2021-02-03 | 2021-05-28 | 张家港保税区金运通市政建筑工程有限公司 | Prefabricated spliced cement-stabilized macadam pavement and construction process thereof |
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Patent Citations (8)
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| GB191030146A (en) * | 1910-12-29 | 1911-04-13 | James Gibson | Improvements in Slabs or the like for use in Paving or for Analogous Purposes. |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107059574A (en) * | 2016-12-07 | 2017-08-18 | 华南农业大学 | A kind of method of concrete structure and its prefabricated assembled cement concrete pavement of leveling |
| CN112853849A (en) * | 2021-02-03 | 2021-05-28 | 张家港保税区金运通市政建筑工程有限公司 | Prefabricated spliced cement-stabilized macadam pavement and construction process thereof |
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| CN103334362B (en) | 2015-10-28 |
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