CN105714642A - Joints and construction method suitable for continuous reinforced concrete pavement structure - Google Patents
Joints and construction method suitable for continuous reinforced concrete pavement structure Download PDFInfo
- Publication number
- CN105714642A CN105714642A CN201610135171.4A CN201610135171A CN105714642A CN 105714642 A CN105714642 A CN 105714642A CN 201610135171 A CN201610135171 A CN 201610135171A CN 105714642 A CN105714642 A CN 105714642A
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- CN
- China
- Prior art keywords
- joint
- transverse
- joints
- seam
- cement concrete
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Classifications
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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
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
- E01C11/06—Methods of making joints
-
- 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
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
- E01C11/14—Dowel assembly ; Design or construction of reinforcements in the area of joints
Abstract
The invention discloses joints and a construction method suitable for the continuous reinforced concrete pavement structure. The joints include the transverse joints, the pre-cutting joints traversing well lids and the longitudinal construction joints. One transverse joint is arranged every 150 m, the width of the transverse joints ranges from 1.0 cm to 1.5 cm, and each transverse joint is divided into an upper part and a lower part, wherein the depth of the upper part of the transverse joint ranges from 5.0 cm to 8.0 cm, is filled with silicone adhesive, epoxy mortar is poured at the portions, within 8-15 cm, of the two sides of the upper part of the transverse joint, the lower part of the transverse joint is filled with a polyethylene blind-hole foam joint filling plate, and longitudinal reinforcing steel bars transversely penetrate through the joint filling plate. The depth of the pre-cutting joints traversing the well lids ranges from 3 cm to 4 cm, the width ranges from 3 mm to 5 mm, and the pre-cutting joints are filled with silicone adhesive. Transverse reinforcing steel bars at the longitudinal construction joints are connected with direct thread sleeves, and the reservation length of the transverse reinforcing steel bars is 60 cm and 20 cm. By means of the joints, the problem in the arrangement of joint of a continuous reinforced concrete pavement can be solved, and the traffic safety and comfort are improved.
Description
Technical field
The invention belongs to road engineering technical field, relate to the seam and the construction method that are applicable to continuous reinforced concrete pavement structure.
Background technology
Substantial amounts of cement concrete pavement has been built last century by China around the nineties, cement concrete pavement generally need to arrange seam, to solve the problem such as expand with heat and contract with cold of cement concrete slab, but due to washing away and driving effect of water, the seam of cement concrete pavement and Ban Jiaochu be easily generated come to nothing, purt mud, faulting of slab ends, the disease such as disconnected plate, extremely serious particularly in phenomenon this in urban road and area of heavy rainfull, the service life of extreme influence cement concrete pavement and quality.Hereafter, in all parts of the country to build bituminous paving, but bituminous paving is same because the effect of water creates more early disease, even also have the diseases such as the rutting deformation caused because of high temperature and the face checking that causes because of low temperature, and cement concrete pavement is not generally resulted in these impacts by the height of temperature, and the bearing capacity of bituminous paving is also relatively poor.Adopt in recent years always and keep in repair relative cement concrete pavement after this structure of bituminous paving mainly disease occurs because of bituminous paving and be easier to, inherently do not solve the problem that road surface early disease takes place frequently, and the design service life of bituminous paving is generally 10～15 years, and Cement Concrete Pavement Design is generally 30～50 years service life, if arranged and construction Problems existing so cement-concrete road joint can be solved, give full play to its long-life feature and keep in repair less, significant social and economic effects will be produced.Build cement concrete pavement and also can make full use of the materials such as the cement of China's yield relative abundance, reinforcing bar, flyash, reduce the dependence to petroleum resources, promote local economic development.For the problem solving cement concrete pavement structure seam, China much areas begin attempt to build continuous reinforced concrete pavement in recent years, this pavement structure can set less or not set seam, that reduces water enters to blend the flimsy problem of seam, but existing build practice have shown that and sets less or do not set transverse joint, generally there will be more transversal crack, substantially every 1.0～2.0m mono-, and the gap width of minority transversal crack is bigger, seepage problem can be produced, even there will be diseases such as gnawing limit, crush.It is therefore necessary to research and development are applicable to seam and the construction method of continuous reinforced concrete pavement structure, solve continuous reinforced concrete pavement seam and Problems existing is set, improve traffic safety and comfortableness.
Summary of the invention
The technical problem to be solved is seam and the construction method that research and development are applicable to continuous reinforced concrete pavement structure, this seam and construction method are simple and practical, continuous reinforced concrete pavement seam can be solved Problems existing is set, improve traffic safety and comfortableness.
For achieving the above object, the technical scheme is that
Suitable in the seam of continuous reinforced concrete pavement structure, including transverse joint, cross the pre-joint-cutting of well lid, longitudinal construction joint；Described transverse joint sets one every 150m, width is 1.0～1.5cm, it is divided into upper and lower, wherein upper lateral joint depth is 5.0～8.0cm, employing silicone adhesive is filled, adopting epoxy resin mortar to build within the scope of upper lateral seam both sides 8～15cm, lower, transverse seam adopts ethylene closed cell foam joint filling board to fill, and longitudinal reinforcement crosses joint filling board；The described pre-joint-cutting degree of depth crossing well lid is 3～4cm, and width is 3～5mm, adopts silicone adhesive to fill；Described longitudinal construction joint is arranged between center line of road position or runway and hardened verge, the whole Portland Cement Concrete Surface Course thickness of depth penetration, the transverse steel at longitudinal construction joint place adopts straight screw sleeve to connect, and transverse steel length in reserve is 60cm and 20cm, length interlaced arrangement.
Joint construction method suitable in continuous reinforced concrete pavement structure, it is characterised in that comprise the following steps:
By route direction and pavement-height, steel form is installed, after lateral model sheetinstallat, by design drawing requirement, transverse joint position is accurately positioned；First arranging lower, transverse seam, lay the ethylene closed cell foam joint filling board with transverse joint width uniform thickness (1.0～1.5cm) in transverse joint position, longitudinal reinforcement crosses joint filling board, builds the concrete of lower, transverse seam crossing；Joint filling board is placed above the iron tooled joint lath with transverse joint width uniform thickness, build the concrete of upper lateral seam crossing, being reserved with width respectively in tooled joint lath both sides is the groove that 8～15cm, the degree of depth and length are identical with upper lateral seam, epoxy resin mortar is adopted to build in groove, being extracted out by tooled joint lath in groove before final set, the transverse joint in groove adopts silicone adhesive to fill；After Portland Cement Concrete Surface Course completes to build 1 month, at the pre-joint-cutting that well lid place pre-cut 3～4cm is deep, 4～5mm width crosses well lid of inspection shaft, cut from well lid edge and be switched to Portland Cement Concrete Surface Course edge, clean with water after joint-cutting, adopt silicone adhesive joint filling；After runway or half range Portland Cement Concrete Surface Course have been built, cement concrete dabbing to longitudinal construction joint place, the transverse steel straight screw sleeve that reserved length is 60cm and 20cm length interlaced arrangement is connected hardened verge or the transverse steel on another half range road surface again, then builds hardened verge or another half range cement concrete pavement.
Beneficial effects of the present invention is as follows:
The present invention provides the seam and construction method that are applicable to continuous reinforced concrete pavement structure, is arrange Problems existing according to solution continuous reinforced concrete pavement seam, and the principle of raising pavement structure serviceability carries out reasonable and scientific design；The present invention sets a transverse joint every 150m on Portland Cement Concrete Surface Course, it is mainly minimizing transversal crack quantity, the existing cement concrete pavement arranging continuity reinforcement(bar) scarcely sets transverse joint, generally there will be more transversal crack, substantially every 1.0～2.0m mono-, and the gap width of minority transversal crack is bigger, seepage problem can be produced, even there will be and gnaw limit, the disease such as broken, the setting that transverse joint width is 1.0～1.5cm can reduce transversal crack about 20～30, also entering to blend and being likely to occur the hidden danger of disease because crackle exists of water is further reduced；The existing cement concrete pavement arranging continuity reinforcement(bar) also has minority to set a number of transverse joint, although decrease these problems, but transverse joint has often become again weak link, transverse joint place occur in that gnaw limit, come to nothing, the disease such as faulting of slab ends, disconnected plate；Compared with tradition transverse joint, the transverse joint of the present invention is divided into upper and lower, wherein adopts epoxy resin mortar to build within the scope of the 8～15cm of upper lateral seam both sides, owing to epoxy resin mortar intensity is high, efficiently solves the problem that seam crossing easily occurs gnawing limit；In the present invention, another significant advantage of transverse joint is that the continuity reinforcement(bar) arranged in pavement structure is effectively combined, transverse joint place continues to keep the seriality of longitudinal reinforcement, in existing engineering, transverse joint is all arrange longitudinal dowel bar reinforcement bar of 50cm length, the reinforcing bar of seam crossing is discontinuous and short, seam crossing reinforcing bar and cement concrete about are easily damaged, washing away plus water, transverse joint place there will be come to nothing, the disease such as faulting of slab ends, disconnected plate, the transverse joint of the present invention can effectively solve these problems.
Present invention well lid place on surface layer is provided with the pre-joint-cutting crossing well lid, it is possible to effectively discharges the stress within pavement structure near well lid, solves crack, existing cement concrete pavement well lid place many and irregular, the well lid place flimsy problem of pavement structure.
It is many that the present invention can effectively solve existing continuous reinforced concrete pavement structure transversal crack, easily there is infiltration in seam, gnaw limit, the problem of the disease such as broken, make continuous reinforced concrete pavement structure substantially can avoid the occurrence of within the use phase to come to nothing, purt mud, faulting of slab ends, the diseases such as disconnected plate, the service life of pavement structure is greatly prolonged, because seam and the few road-ability of Portland Cement Concrete Surface Course disease and safety are increased dramatically, the reconstruction cost that maintenance costs and year are shared also greatly reduces, the harmful effect that society is caused by pavement damage can be reduced, also can solving road often because pavement damage and maintenance cause interruption of communication or block up, the problem even causing vehicle accident, there are good social benefit and economic benefit.
Report on the Work of the Governments in 2016 are pointed out, " 13 " period will strengthen great infrastructure construction, newly-built reconstruction highway mileage open to traffic about 30,000 kilometers, the seam being applicable to continuous reinforced concrete pavement structure and the construction method of continuous reinforced concrete pavement structure and research and development have a extensive future, and potential social and economic effects is notable.
Accompanying drawing explanation
Fig. 1 is the transverse joint schematic diagram of continuous reinforced concrete pavement structure of the present invention.
The transverse steel that Fig. 2 is longitudinal construction joint place of continuous reinforced concrete pavement structure of the present invention arranges partial schematic diagram.
In figure, the description of reference numerals of each element is as follows:
1-Portland Cement Concrete Surface Course；2-longitudinal reinforcement；3-transverse steel；4-bearing；5-silicone adhesive；6-epoxy resin mortar；7-ethylene closed cell foam joint filling board；8-straight screw sleeve.
Detailed description of the invention
In order to be more fully understood that the present invention, below with reference to drawings and the specific embodiments, the present invention being described in further detail, described embodiment is only in order to illustrate technical scheme, not in order to limit the present invention.
Embodiment
The seam being applicable to continuous reinforced concrete pavement structure of the present invention and construction method, including transverse joint, cross the pre-joint-cutting of well lid, longitudinal construction joint.With reference to shown in 1 to 2, the thickness of Portland Cement Concrete Surface Course 1 is 28cm, construction installs steel form by route direction and pavement-height, after lateral model sheetinstallat, by design drawing requirement, transverse joint position is accurately positioned, one is set every 150m, width is preferably 1.2cm, it is divided into upper and lower, upper lateral joint depth is decided to be 7cm, lower, transverse seam is first set, lay in transverse joint position and transverse joint width uniform thickness (1.2cm), highly deduct upper lateral joint depth for 21cm(Portland Cement Concrete Surface Course 1 thickness) ethylene closed cell foam joint filling board 7, longitudinal reinforcement 2 crosses ethylene closed cell foam joint filling board 7, longitudinal reinforcement 2 is placed on transverse steel 3, reinforcing bar completes connection by steel tendon colligation and is placed on bearing 4, build the concrete of lower, transverse seam crossing；Ethylene closed cell foam joint filling board 7 is placed above the iron tooled joint lath with transverse joint width uniform thickness, build the concrete of upper lateral seam crossing, being reserved with width respectively in tooled joint lath both sides is the groove that 10cm, the degree of depth and length are identical with upper lateral seam, epoxy resin mortar 6 is adopted to build in groove, being extracted out by tooled joint lath in groove before final set, the transverse joint in groove adopts silicone adhesive 5 to fill；After Portland Cement Concrete Surface Course 1 completes to build 1 month, at the pre-joint-cutting that well lid place pre-cut 4cm is deep, 4mm width crosses well lid of inspection shaft, cut from well lid edge and be switched to Portland Cement Concrete Surface Course 1 edge, clean with water after joint-cutting, use silicone adhesive 5 joint filling；After runway or half range Portland Cement Concrete Surface Course have been built, cement concrete dabbing to longitudinal construction joint place, transverse steel 3 straight screw sleeve 8 that reserved length is 60cm and 20cm length interlaced arrangement is connected hardened verge or the transverse steel 3 on another half range road surface again, then builds hardened verge or another half range cement concrete pavement.
Claims (2)
1. it is applicable to seam and the construction method of continuous reinforced concrete pavement structure, including transverse joint, crosses the pre-joint-cutting of well lid, longitudinal construction joint；Described transverse joint sets one every 150m, width is 1.0～1.5cm, it is divided into upper and lower, wherein upper lateral joint depth is 5.0～8.0cm, employing silicone adhesive is filled, adopting epoxy resin mortar to build within the scope of upper lateral seam both sides 8～15cm, lower, transverse seam adopts ethylene closed cell foam joint filling board to fill, and longitudinal reinforcement crosses joint filling board；The described pre-joint-cutting degree of depth crossing well lid is 3～4cm, and width is 3～5mm, adopts silicone adhesive to fill；Described longitudinal construction joint is arranged between center line of road position or runway and hardened verge, the whole Portland Cement Concrete Surface Course thickness of depth penetration, the transverse steel at longitudinal construction joint place adopts straight screw sleeve to connect, and transverse steel length in reserve is 60cm and 20cm, length interlaced arrangement.
2. the joint construction method suitable in continuous reinforced concrete pavement structure according to claim 1, it is characterised in that comprise the following steps:
By route direction and pavement-height, steel form is installed, after lateral model sheetinstallat, by design drawing requirement, transverse joint position is accurately positioned；First arranging lower, transverse seam, lay the ethylene closed cell foam joint filling board with transverse joint width uniform thickness (1.0～1.5cm) in transverse joint position, longitudinal reinforcement crosses joint filling board, builds the concrete of lower, transverse seam crossing；Joint filling board is placed above the iron tooled joint lath with transverse joint width uniform thickness, build the concrete of upper lateral seam crossing, being reserved with width respectively in tooled joint lath both sides is the groove that 8～15cm, the degree of depth and length are identical with upper lateral seam, epoxy resin mortar is adopted to build in groove, being extracted out by tooled joint lath in groove before final set, the transverse joint in groove adopts silicone adhesive to fill；After Portland Cement Concrete Surface Course completes to build 1 month, at the pre-joint-cutting that well lid place pre-cut 3～4cm is deep, 4～5mm width crosses well lid of inspection shaft, cut from well lid edge and be switched to Portland Cement Concrete Surface Course edge, clean with water after joint-cutting, adopt silicone adhesive joint filling；After runway or half range Portland Cement Concrete Surface Course have been built, cement concrete dabbing to longitudinal construction joint place, the transverse steel straight screw sleeve that reserved length is 60cm and 20cm length interlaced arrangement is connected hardened verge or the transverse steel on another half range road surface again, then builds hardened verge or another half range cement concrete pavement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135171.4A CN105714642B (en) | 2016-03-10 | 2016-03-10 | Suitable for the seam and construction method of continuous reinforced concrete pavement structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135171.4A CN105714642B (en) | 2016-03-10 | 2016-03-10 | Suitable for the seam and construction method of continuous reinforced concrete pavement structure |
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| CN105714642A true CN105714642A (en) | 2016-06-29 |
| CN105714642B CN105714642B (en) | 2017-08-29 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252210A (en) * | 2018-04-09 | 2018-07-06 | 长沙理工大学 | Subsection cast-in-situ UHPC bridge beam section connectors and its construction method |
| CN108394013A (en) * | 2018-03-23 | 2018-08-14 | 中交航局第工程有限公司 | A kind of harbour wearing course and the prefabricated mounting process of the big plate of road and storage yard |
| CN110241675A (en) * | 2019-07-11 | 2019-09-17 | 江苏江达生态环境科技有限公司 | A kind of construction joint of the permeable concrete topping of color asphalt and the construction method of dilatation joint |
| CN110863406A (en) * | 2019-11-28 | 2020-03-06 | 湖北工业大学 | Auxiliary method for reducing abrasion resistance of large-spacing joint reinforced cement concrete pavement in special road section |
| CN110965427A (en) * | 2019-12-26 | 2020-04-07 | 中冶南方工程技术有限公司 | Continuous reinforced concrete composite asphalt pavement expansion joint structure and construction method thereof |
| CN110965426A (en) * | 2019-12-26 | 2020-04-07 | 中冶南方工程技术有限公司 | Rigid-flexible composite pavement expansion joint structure and construction method thereof |
| CN111021177A (en) * | 2019-12-04 | 2020-04-17 | 东南大学 | High-ductility cement-based material based seamless cement pavement structure and construction method and application thereof |
| CN111254778A (en) * | 2020-03-05 | 2020-06-09 | 南通大学 | Embedding structure and method for preventing cracking of luminous mark of concrete pavement |
| CN111895476A (en) * | 2020-07-09 | 2020-11-06 | 张坤坤 | Heat accumulating type floor heating system |
| CN113982116A (en) * | 2021-11-22 | 2022-01-28 | 中建科工集团有限公司 | Unequal-height construction roof construction method for high-rise steel structure residence |
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| CN204039864U (en) * | 2014-07-17 | 2014-12-24 | 西南交通建设集团股份有限公司 | Concrete structure above a kind of gap be applied in bridge or road |
| CN104264563A (en) * | 2014-08-08 | 2015-01-07 | 中国建筑第八工程局有限公司 | Concrete pavement reinforced shrinkage crack structure and construction method thereof |
| CN104652210A (en) * | 2015-03-13 | 2015-05-27 | 黄贺明 | Assembled concrete traffic pavement and construction method thereof |
| CN204803705U (en) * | 2015-07-03 | 2015-11-25 | 浙江恒力建设有限公司 | Concrete road surface expansion joint filleting structure |
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| JPS57184145A (en) * | 1981-05-06 | 1982-11-12 | Abc Trading Co | Reinforcing structure of joint part of concrete structure and construction thereof |
| CH666505A5 (en) * | 1984-12-10 | 1988-07-29 | Sfs Stadler Ag | Expansion component bridging reinforced-concrete seam - comprises second oblong member fixed at ends to first and third ones |
| US4699540A (en) * | 1986-04-07 | 1987-10-13 | Jmk International, Inc. | Expansion joint |
| US20040237434A1 (en) * | 2001-08-01 | 2004-12-02 | Permaban North America, Inc. | System of protecting the edges of cast-in-place concrete slab on ground, construction joints |
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| CN204039864U (en) * | 2014-07-17 | 2014-12-24 | 西南交通建设集团股份有限公司 | Concrete structure above a kind of gap be applied in bridge or road |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394013A (en) * | 2018-03-23 | 2018-08-14 | 中交航局第工程有限公司 | A kind of harbour wearing course and the prefabricated mounting process of the big plate of road and storage yard |
| CN108252210A (en) * | 2018-04-09 | 2018-07-06 | 长沙理工大学 | Subsection cast-in-situ UHPC bridge beam section connectors and its construction method |
| CN110241675A (en) * | 2019-07-11 | 2019-09-17 | 江苏江达生态环境科技有限公司 | A kind of construction joint of the permeable concrete topping of color asphalt and the construction method of dilatation joint |
| CN110863406A (en) * | 2019-11-28 | 2020-03-06 | 湖北工业大学 | Auxiliary method for reducing abrasion resistance of large-spacing joint reinforced cement concrete pavement in special road section |
| CN111021177A (en) * | 2019-12-04 | 2020-04-17 | 东南大学 | High-ductility cement-based material based seamless cement pavement structure and construction method and application thereof |
| CN110965427A (en) * | 2019-12-26 | 2020-04-07 | 中冶南方工程技术有限公司 | Continuous reinforced concrete composite asphalt pavement expansion joint structure and construction method thereof |
| CN110965426A (en) * | 2019-12-26 | 2020-04-07 | 中冶南方工程技术有限公司 | Rigid-flexible composite pavement expansion joint structure and construction method thereof |
| CN111254778A (en) * | 2020-03-05 | 2020-06-09 | 南通大学 | Embedding structure and method for preventing cracking of luminous mark of concrete pavement |
| CN111895476A (en) * | 2020-07-09 | 2020-11-06 | 张坤坤 | Heat accumulating type floor heating system |
| CN113982116A (en) * | 2021-11-22 | 2022-01-28 | 中建科工集团有限公司 | Unequal-height construction roof construction method for high-rise steel structure residence |
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| CN105714642B (en) | 2017-08-29 |
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