CN106468043A - A kind of reinforcing bar for strengthening inferior grade concrete road is followed closely and construction method - Google Patents
A kind of reinforcing bar for strengthening inferior grade concrete road is followed closely and construction method Download PDFInfo
- Publication number
- CN106468043A CN106468043A CN201610855330.8A CN201610855330A CN106468043A CN 106468043 A CN106468043 A CN 106468043A CN 201610855330 A CN201610855330 A CN 201610855330A CN 106468043 A CN106468043 A CN 106468043A
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- China
- Prior art keywords
- reinforcing bar
- road
- nail
- inferior grade
- bar
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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
- E01C11/16—Reinforcements
- E01C11/18—Reinforcements for cement concrete pavings
- E01C11/185—Reinforcements for cement concrete pavings the reinforcements extending up to the surface, e.g. anti-slip gratings
Abstract
The invention discloses a kind of reinforcing bar for strengthening inferior grade concrete road is followed closely and construction method, including for strengthening the anti-shearing upper part with tensile strength in road surface and being used for strengthening the lower part being connected with sub-surface, described upper part is connected to form steel bar plane by two shear reinforcements intersections, and described lower part is made up of the fixing reinforcing bar that one or more and steel bar plane are fixedly linked.The present invention can determine its arrangement pitch, size with factors such as the actual operation requirements of road, design width, road local environments.The present invention can reasonably utilize reinforcing bar, reduces cost, improves inferior grade concrete road structural strength.The present invention can prefabrication, simple to operate, speed of application is fast, and its construction quality can be guaranteed；Its reasonable stress, can significantly increase road surface shearing strength, tensile strength, increase the cohesive strength between top course and basic unit.
Description
Technical field
The invention belongs to inferior grade concrete road construction field, be related to a kind of strengthen road intensity method and in particular to
A kind of reinforcing bar for strengthening inferior grade concrete road is followed closely and construction method.
Background technology
At present in new countryside construction, concrete road is much all built in rural area.But the restriction due to economic condition, mostly
Number concrete road surface does not all have reinforcement, and the intensity of concrete road surface is relatively low, is easily destroyed.Hole in road after destruction
The situations such as groove, roadbed settlement, impeded drainage, large area crush, partial collapse, maintenance not only increases the financial burden in rural area, and
Transportation may be caused with different degrees of impact.
The problems such as take time and effort for the destructible of the plain concrete road built in new countryside construction, maintenance, does not have at present
There is good solution.
Content of the invention
The invention aims to overcoming above-mentioned deficiency, provide that a kind of reinforcing bar utilization rate is high, structure is simple, low cost,
Can increase shearing strength and the tensile strength of concrete road surface to a certain extent, and surface layer and the pulling force of basic unit can be increased
Inferior grade concrete road reinforcing bar nail and its construction method.
The present invention is a kind of new cross reinforcing bar nail, can increase to a certain extent the shearing strength of concrete road surface with
Tensile strength, and the pulling force of surface layer and basic unit can be increased.Prevent pavement destruction, reduce unnecessary economic loss, have substantially
Economic advantages and important construction value.
The technical scheme that the present invention is adopted to achieve these goals is as follows：
A kind of for strengthen inferior grade concrete road reinforcing bar follow closely it is characterised in that：Including for strengthen road surface anti-shearing and
The upper part of tensile strength and the lower part being connected with sub-surface for enhancing, described upper part is intersected by two shear reinforcements
It is connected to form steel bar plane, described lower part is made up of the fixing reinforcing bar that one or more and steel bar plane are fixedly linked.This
Bright can determine its arrangement pitch, size with the actual operation requirements of road, design width, the factor such as road local environment.This
Bright can reasonably utilize reinforcing bar, reduce cost, improve inferior grade concrete road structural strength.
Preferably, described fixing reinforcing bar is symmetrical centered on the cross point of steel bar plane.
Preferably, described fixing reinforcing bar has 1-6 root.
Preferably, the reinforcing bar of described composition steel bar plane and fixing reinforcing bar are screw-thread steel, it is equal that it is connected with each other mode
For welding, described fixing reinforcing bar direction is vertical with steel bar plane.
A kind of nail using above-mentioned reinforcing bar carries out the construction method of enhancing inferior grade concrete road it is characterised in that including
Following steps：
Step 1, Design and Machining reinforcing bar nail：According to above-mentioned reinforcing bar pin structure, selected according to actual inferior grade concrete road situation
Required size manufactures multiple reinforcing bar nails；
Step 2, preparation of construction：Bed course, basic unit are compacted according to road construction relevant criterion intensity；
Step 3, surveying setting-out：By design pitch, surveying setting-out, and carry out labelling；
Step 4, embedded bar nail：In labelling point embedded bar nail, the fixing reinforcing bar of the lower part of reinforcing bar nail is gone down to the grass-roots units 3-15cm；
As needed, reinforcing bar nails on the steel bar plane of part less than the concrete roadway surface after pouring；
Step 5, placing concrete：Placing concrete after embedded bar nail, completes road construction.
Preferably, longitudinal and transverse directional spreding spacing followed closely by described reinforcing bar is 0.7-1.5m.
Present invention is generally directed to rural area inferior grade concrete road surface, due to the restriction of its economic condition, traffic pressure is compared with city
Road is little so that rural area concrete road surface is less considers reinforcement form of construction work, so the structure of most of rural area concrete road surface
Intensity is not reaching to relevant national standard.The shearing strength that the present invention can strengthen rural area inferior grade concrete road surface is strong with tension
Degree, is increased the cohesive strength between concrete road surface surface layer and basic unit simultaneously, so that the surface layer of concrete road surface is connected more with basic unit
Stable.
The present invention has following points good effect：
Compared with routine techniquess, the present invention combines rural area concrete road surface, and the cross steel bar plane that reinforcing bar nails on part increases
The shearing resistance on road surface, tensile strength；Lower part joint face layer and basic unit, make surface layer be connected not the only pressure of surface layer, face with basic unit
Layer and the stiction force of basic unit, be also add pulling force effect, so that surface layer is connected with basic unit more stable.
1st, the present invention is applied to rural area inferior grade concrete road surface.
2nd, the present invention has saved reinforcing bar cost compared to high grade concrete pavement.
3rd, the present invention improves shearing strength and the tensile strength on road surface compared to rural area inferior grade plain concrete road surface.
4th, the present invention increases surface layer and basic unit's shearing strength and tensile strength, also increases the adhesive aggregation of surface layer and basic unit simultaneously
Power, makes surface layer be connected with basic unit more firm.
Brief description
Fig. 1 is the plane graph of inventive structure.
Fig. 2 is the elevation of inventive structure.
Fig. 3 is the facade layout drawing of embodiment.
Fig. 4 is the site plan of embodiment.
Fig. 5 is the construction method flow chart of embodiment.
Fig. 6 is the structural representation of embodiment 2.
Fig. 7 is the structural representation of embodiment 3.
In figure, 1- longitudinal screw shear reinforcement, 2- horizontal thread shear reinforcement, 3- fixes reinforcing bar.
Specific embodiment
Below in conjunction with the accompanying drawings the technical scheme of present aspect is described further, but the present invention is not limited in lower section
Formula：
Embodiment 1：As shown in figure 1, inferior grade concrete road reinforcing bar nail, including for strengthening, road surface is anti-shearing and tensile strength
Upper part and for strengthening the lower part that is connected with sub-surface, the shear reinforcement that its middle and upper part is divided has two, by longitudinal spiral shell
Stricture of vagina shear reinforcement 1 and horizontal thread shear reinforcement 2 welding in 90 °, upper part in concrete topping, shear reinforcement and concrete
Combine well, the bending resistance on enhancing road surface, resistance to compression, shear resistance；Bottom is divided into fixing reinforcing bar 3 to be one, fixing reinforcing bar 3 one end
Weld with the shear reinforcement cross point of intersection of upper part, and the reinforcing bar that fixing reinforcing bar 3 forms perpendicular to upper part shear reinforcement
Plane is in 90 °（As Fig. 2）, the other end stretches into roadbase 10cm, and fixing reinforcing bar 3 has frictional force with basic unit.Lower part connects
Junction layer and basic unit, so that surface layer is connected with basic unit not only the stiction force of the pressure of surface layer, surface layer and basic unit, also add pulling force
Effect, makes surface layer be connected with basic unit more stable.
As shown in figure 5, this reinforcing bar nail to be embodied as construction method as follows：1. Design and Machining reinforcing bar nail：Unification is according to steel
The muscle portion of nailing on be two be about 30cm spiral, bottom be one be about this specification standards of 20cm twisted steel design, according to
Practical situation selects the suitable reinforcing bar of diameter dimension.
2. preparation of construction：Bed course, basic unit are compacted according to road construction relevant criterion intensity.
3. surveying setting-out：By design pitch, surveying setting-out, and carry out labelling.
4. embedded bar nail：In labelling point embedded bar nail, go down to the grass-roots units 10cm for reinforcing bar nail bottom.
5. placing concrete：Placing concrete after pre-buried good reinforcing bar nail.
As shown in figure 3, after surveying setting-out carries out labelling, reinforcing bar nail is embedded into labelling point, arbitrary reinforcing bar of upper part with
At ordinary times, using hammering, and reinforcing bar nail lower rebar extends vertically into basic unit about 10cm to road surface ordinate.Two reinforcing bar nails follow closely it with reinforcing bar
Between be spaced 1m（As Fig. 4）.
The operation principle of the present embodiment is：The fixing reinforcing bar 3 insertion basic unit of the lower part of reinforcing bar nail, closely coupled with basic unit.
Fixing reinforcing bar 3 is twisted steel, and it has frictional resistance with basic unit, improves resistance to capsizing after being compacted simultaneously.Reinforcing bar nails on the ten of part
Font steel bar plane is combined with concrete topping, improves shearing strength and the tensile strength of top course.Also improve simultaneously
Surface layer and the cohesive strength of basic unit, make surface layer be combined with basic unit more firm.
Embodiment 2：The shear reinforcement that present invention composition reinforcing bar nails on part steel bar plane has 3, as shown in fig. 6, passing through 3
Root shear reinforcement, can preferably strengthen shearing strength and the comprcssive strength on road surface, and durability, actual useful year are higher.
In road surface corner arrangement reinforcing bar as shown in Figure 6 nail, can make long-term tension, subtracted, pressurized corner structure more stably,
Survivable, other structures and implementation are in the same manner as in Example 1.
Embodiment 3：Under reinforcing bar nail of the present invention, the fixing reinforcing bar 3 of part has 3, by increasing fixing reinforcing bar 3 quantity, such as schemes
So that the reinforcing bar nail of the present embodiment can preferably strengthen the cohesive strength of road deck and basic unit shown in 7, surface layer is made to be combined with basic unit
More firm.This kind of reinforcing bar nail is more stable because of structure, and the stiffening effect of surface intensity of satisfying the need more preferably, can be not only used for inferior grade
The special place of concrete road reinforces it is also possible to reinforce for the fragile harm of high-grade concrete road, enhancing road surface shearing strength,
Tensile strength, increases the cohesive strength between top course and basic unit.The present embodiment other parts structure and construction method and reality
As applying example 1 or embodiment 2.
The present invention can determine between its arrangement with factors such as the actual operation requirements of road, design width, road local environments
Away from, size.The present invention can reasonably utilize reinforcing bar, reduces cost, improves inferior grade concrete road structural strength.
Reinforcement and not two kinds of situations of reinforcement are divided in concrete road surface.High grade concrete pavement reinforcement, strengthens the shearing resistance on road surface
Intensity and comprcssive strength, and durability, actual useful year can reach road design and require.Road surface breakage is few, does not interfere with
Traffic.When the bad area of economic condition or pavement grade are relatively low, more than concrete road surface, not reinforcement can be selected, which reduce through
Ji burden, also save resource, but the high grade concrete pavement compared to reinforcement, the shearing strength on plain concrete road surface and
Comprcssive strength significantly reduces, and the durability on road surface, actual useful year are extremely difficult to road design and require, and road surface is fragile
Damage, often affect traffic.
Add reinforcing bar nail in the present invention and strengthen 30% ~ 40% compared to the plain concrete road surface of non-reinforcement in concrete road surface
Shearing strength and tensile strength, and the breakage of concrete road surface can be reduced, thus decreasing the maintenance after road surface breakage
Expense；Compare high grade concrete pavement reinforcement simultaneously and more save reinforcing bar, be more applicable for inferior grade concrete road, reduce
The cost of early investment later period maintenance.
Claims (6)
1. a kind of for strengthen inferior grade concrete road reinforcing bar follow closely it is characterised in that：Including anti-shearing for strengthening road surface
The lower part with sub-surface be connected with the upper part of tensile strength and for enhancing, described upper part is handed over by two shear reinforcements
Fork is connected to form steel bar plane, and described lower part is made up of the fixing reinforcing bar that one or more and steel bar plane are fixedly linked.
2. according to claim 1 a kind of reinforcing bar nail it is characterised in that：Described fixing reinforcing bar with the cross point of steel bar plane is
Centrosymmetry is distributed.
3. according to claim 2 a kind of reinforcing bar nail it is characterised in that：Described fixing reinforcing bar has 1-6 root.
4. according to claims 1 to 3 any one a kind of reinforcing bar nail it is characterised in that：The steel of described composition steel bar plane
Muscle and fixing reinforcing bar are screw-thread steel, and it is connected with each other mode and is welding, and described fixing reinforcing bar direction is vertical with steel bar plane.
5. a kind of road construction method carrying out enhancing inferior grade concrete road using reinforcing bar nail a kind of described in claim 4, it is special
Levy and be, comprise the following steps：
Step 1, Design and Machining reinforcing bar nail：According to above-mentioned reinforcing bar pin structure, selected according to actual inferior grade concrete road situation
Required size manufactures multiple reinforcing bar nails；
Step 2, preparation of construction：Bed course, basic unit are compacted according to road construction relevant criterion intensity；
Step 3, surveying setting-out：By design pitch, surveying setting-out, and carry out labelling；
Step 4, embedded bar nail：In labelling point embedded bar nail, the fixing reinforcing bar of the lower part of reinforcing bar nail is gone down to the grass-roots units 3-15cm；
As needed, reinforcing bar nails on the steel bar plane of part less than the concrete roadway surface after pouring；
Step 5, placing concrete：Placing concrete after embedded bar nail, completes road construction.
6. according to claim 5 a kind of strengthen inferior grade concrete road construction method it is characterised in that：Described reinforcing bar nail
Longitudinal and transverse directional spreding spacing is 0.7-1.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855330.8A CN106468043A (en) | 2016-09-27 | 2016-09-27 | A kind of reinforcing bar for strengthening inferior grade concrete road is followed closely and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855330.8A CN106468043A (en) | 2016-09-27 | 2016-09-27 | A kind of reinforcing bar for strengthening inferior grade concrete road is followed closely and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN106468043A true CN106468043A (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610855330.8A Pending CN106468043A (en) | 2016-09-27 | 2016-09-27 | A kind of reinforcing bar for strengthening inferior grade concrete road is followed closely and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411751A (en) * | 2018-02-12 | 2018-08-17 | 郑州科技学院 | Asphalt road surface local repairs structure and restorative procedure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326032A (en) * | 2000-05-25 | 2001-12-12 | 关伟伯 | Pavement structure |
| CN201045175Y (en) * | 2007-04-06 | 2008-04-09 | 刘军 | Transmission rod used for cement concrete road surface |
| CN101985823A (en) * | 2010-10-26 | 2011-03-16 | 交通运输部公路科学研究所 | Sliding continuous reinforced concrete pavement, composite pavement and construction method thereof |
| CN202323614U (en) * | 2011-07-13 | 2012-07-11 | 长沙必特工程技术有限责任公司 | Novel pavement pit hole repairing structure |
| CN203700903U (en) * | 2013-11-12 | 2014-07-09 | 中建三局建设工程股份有限公司 | T-shaped empty-drum preventing bolt member |
| CN204185743U (en) * | 2014-09-17 | 2015-03-04 | 重庆交通建设(集团)有限责任公司 | A kind of Desulphurization roadbed cement pavement structure |
-
2016
- 2016-09-27 CN CN201610855330.8A patent/CN106468043A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326032A (en) * | 2000-05-25 | 2001-12-12 | 关伟伯 | Pavement structure |
| CN201045175Y (en) * | 2007-04-06 | 2008-04-09 | 刘军 | Transmission rod used for cement concrete road surface |
| CN101985823A (en) * | 2010-10-26 | 2011-03-16 | 交通运输部公路科学研究所 | Sliding continuous reinforced concrete pavement, composite pavement and construction method thereof |
| CN202323614U (en) * | 2011-07-13 | 2012-07-11 | 长沙必特工程技术有限责任公司 | Novel pavement pit hole repairing structure |
| CN203700903U (en) * | 2013-11-12 | 2014-07-09 | 中建三局建设工程股份有限公司 | T-shaped empty-drum preventing bolt member |
| CN204185743U (en) * | 2014-09-17 | 2015-03-04 | 重庆交通建设(集团)有限责任公司 | A kind of Desulphurization roadbed cement pavement structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411751A (en) * | 2018-02-12 | 2018-08-17 | 郑州科技学院 | Asphalt road surface local repairs structure and restorative procedure |
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Application publication date: 20170301 |