CN107142804A - A kind of roadbed filler on bridgehead of high-grade highway and its production method - Google Patents
A kind of roadbed filler on bridgehead of high-grade highway and its production method Download PDFInfo
- Publication number
- CN107142804A CN107142804A CN201710331376.4A CN201710331376A CN107142804A CN 107142804 A CN107142804 A CN 107142804A CN 201710331376 A CN201710331376 A CN 201710331376A CN 107142804 A CN107142804 A CN 107142804A
- Authority
- CN
- China
- Prior art keywords
- concrete
- pipe
- bridgehead
- cement
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
Abstract
The invention discloses a kind of roadbed filler on bridgehead of high-grade highway, including fine grained soil, concrete and reinforced concrete prefabricated pipe.A kind of roadbed filler on bridgehead of high-grade highway production method comprises the following steps：2), by reinforcing bar colligation into framework of steel reinforcement；4) pipe die, is assembled；6), skeleton is fitted into pipe die；7), to cement, water, sand and the independent batching of stone；9), sand and stone are delivered to inside agitator, water is added；10) cement and additive, are added and sandstone is stirred, concrete is drawn off；11), concrete is fed in pipe die.The roadbed filler on bridgehead of high-grade highway and its production method use interval crawl blanking, cutting stock precision is higher, after sandstone enters mixer plus suitable quantity of water, cement is mixed with the stirring of damp sand stone again, improve the intensity and quality of concrete, armored concrete prefabricated pipe is inlaid with, the drainage performance of roadbed can be improved, while improving the intensity of roadbed.
Description
Technical field
The present invention relates to highway base-material technical field, specially a kind of roadbed filler on bridgehead of high-grade highway and its production
Method.
Background technology
In recent years as China Higher level highway being developed rapidly, vehicle bump at bridge ends is more universal, it is directly affected
Road speed, comfortably with safety, or even driving accident is caused, simultaneously because running at high speed for vehicle produces bounce in end of the bridge and rushed
Hit, road pavement and bridge produce additional impact load, accelerate the destruction of abutment, end of the bridge road surface and bridge extension joint, also add
The fast damage of vehicle in itself, directly affects the service life and social benefit of highway.
In traditional high-grade highway Bridgehead by Blastig filler, low intensity, bad hydraulic permeability, maintenance cost is high.
The content of the invention
It is an object of the invention to provide a kind of roadbed filler on bridgehead of high-grade highway and its production method, with solution
State what is proposed in background technology：Low intensity in traditional high-grade highway Bridgehead by Blastig filler, bad hydraulic permeability, maintenance cost is high
Problem.
To achieve the above object, the present invention provides following technical scheme：A kind of roadbed filler on bridgehead of high-grade highway, bag
Include over coarse grained soil (gravel compound), chisley soil (gravelly soil), fine grained soil (low liquid limit clayey soil), concrete and reinforced concrete pre-
Tubulation.
A kind of roadbed filler on bridgehead of high-grade highway production method, it is described to comprise the following steps：
1), material prepares, including cement, sand, stone, water, reinforcing bar, additive etc.；
2), ready reinforcing bar is placed in special molding frame to enter using No. 20 or No. 22 galvanized wires or baked wheaten cake silk
Row colligation, the advance straightening of longitudinal reinforcement, customized cut-off, circumferential reinforcement can not be distorted, and prepare the oblique reinforcing bar of certain number of rings, institute
There is circumferential reinforcement to be fixed with the equal colligation in longitudinal reinforcement crosspoint, leakage ties up rate less than 2%, is in along the button of tying up of longitudinal reinforcement length arrangement
Forward and reverse cross modal, end circumferential reinforcement and the longitudinal reinforcement crosspoint of framework of steel reinforcement are reinforced using manual electric arc welding；
3), by step 2) in framework of steel reinforcement add protective layer locator card, the interlayer of double steel bar skeleton is connected with bearing rod
Connect firmly, framework of steel reinforcement will have enough rigidity, contact firmly, it is not loose, do not collapse, tilt, without obvious torsional deformation and big
Microcephaly's phenomenon；
4) pipe die, is assembled, the two-port and joint close of pipe die are without obvious gap, and the fastener connected between each several part firmly may be used
Lean on, the bottom plate of pipe die is smooth, interior external mold is perpendicular to bottom plate and is accurately positioned；
5), by step 4) in pipe die inner wall cleaning it is clean, the cement screenings of remaining is rejected, then in pipe die inwall and gear
Interleaving agent is coated on circle, bottom plate, interleaving agent selects grease, emulsified fat or rosin soap；
6), by step 3) in skeleton be fitted into step 5) in pipe die in, framework of steel reinforcement load pipe die when prevent scratch manage
Mould inwall；
7), to step 1) in ready cement, water, sandstone and using electronic weighing device carry out individually metering match somebody with somebody
Material, the error of cement, water and additive is ± 2%, and the error of sand and stone is ± 3%；
8), to step 7) in blending process use multiple blanking method, claim when any material enters to required weight
When 90~95%, stop blanking, then interval crawl blanking, until completing blanking after weight needed for reaching；
9), by step 8) in the sandstone that completes of dispensing deliver to inside agitator, appropriate (mesh is then added inside agitator
Mark the humidity 70%-90% pre- setting value that adds water) water；
10), by step 8) in the cement that completes of dispensing and additive be added to inside agitator, and stirred with sandstone
Mix, then draw off the concrete completed；
11), concrete continuous is uniformly fed in pipe die, inner core is opened when concrete feeds 1/3 height of pipe range
Mould vibrator, during concrete edge vibration side feeding to pipe die top, rotates tube top pressue device above pipe, Opening pressure oil
Cylinder makes forming ring be pressed on pipe end, rolls end surfaces and continues 1min, closes inner core die vibrator, and continues to roll 1min, until
After the complete failure of oscillation of vibrator, tube top pressue device is retracted into original place；
12), to carrying out removing surface, finishing at the top of molded concrete prefabricated pipe, then it is inserted in inside and outside protection sizing
Circle；
13), over coarse grained soil (gravel compound), chisley soil (gravelly soil) and fine grained soil (low liquid limit clayey soil) are mixed and filled
In the bottom of high-grade highway Bridgehead by Blastig, thickness is 100mm~300mm, concrete is then laid above, and be put into reinforcing bar
Concrete prefabricated pipe.
It is preferred that, the composition of the concrete is water：190th, cement：404th, sand：542nd, stone：1264, its reclaimed water：Water
Mud：Sand：Stone is 0.47:1:1.342:3.219.
It is preferred that, the concrete prefabricated pipe intensity is not less than 50MPa.
It is preferred that, the step 1) in sand use modulus of fineness for 3.0~2.3 middle sand, its clay content cannot be greater than
3%, cement is not less than 52.5 portland cement or Portland cement using strength grade, and stone maximum particle diameter must not
More than the 1/3 of armored concrete thickness of pipe wall, flat-elongated particles content cannot be greater than 15%, and clay content cannot be greater than 1%, and clod contains
Amount cannot be greater than 0.5%.
It is preferred that, the step 3) in each portion's permissible variation in dimension of framework of steel reinforcement：Diameter ± 5mm, length+0-10mm, ring
+ 10 rings of number, pitch ± 5mm.
Compared with prior art, the beneficial effects of the invention are as follows：The roadbed filler on bridgehead of high-grade highway and its production
Method is individually measured using electronic weighing device, and uses interval crawl blanking, and cutting stock precision is higher, enters mixer in sandstone and adds
After suitable quantity of water, then cement and admixture is knocked down into the stirring of mixer and damp sand stone mix, dust, raising coagulation can be effectively reduced
The intensity and quality of soil, are inlaid with armored concrete prefabricated pipe, can improve the performance of the draining of roadbed, while improving the strong of roadbed
Degree, the jump car phenomenon of buffering automobile Bridgehead by Blastig increases the service life of roadbed, reduces the incidence of subgrade settlement, reduces dimension
Protect cost.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
The present invention provides technical scheme：A kind of roadbed filler on bridgehead of high-grade highway, including (gravel is mixed over coarse grained soil
Material), chisley soil (gravelly soil), fine grained soil (low liquid limit clayey soil), concrete and reinforced concrete prefabricated pipe.
A kind of roadbed filler on bridgehead of high-grade highway production method, comprises the following steps：
1), material prepares, including cement, sand, stone, water, reinforcing bar, additive etc.；
2), ready reinforcing bar is placed in special molding frame to enter using No. 20 or No. 22 galvanized wires or baked wheaten cake silk
Row colligation, the advance straightening of longitudinal reinforcement, customized cut-off, circumferential reinforcement can not be distorted, and prepare the oblique reinforcing bar of certain number of rings, institute
There is circumferential reinforcement to be fixed with the equal colligation in longitudinal reinforcement crosspoint, leakage ties up rate less than 2%, is in along the button of tying up of longitudinal reinforcement length arrangement
Forward and reverse cross modal, end circumferential reinforcement and the longitudinal reinforcement crosspoint of framework of steel reinforcement are reinforced using manual electric arc welding；
3), by step 2) in framework of steel reinforcement add protective layer locator card, the interlayer of double steel bar skeleton is connected with bearing rod
Connect firmly, framework of steel reinforcement will have enough rigidity, contact firmly, it is not loose, do not collapse, tilt, without obvious torsional deformation and big
Microcephaly's phenomenon, prevents from damaging the globality of framework of steel reinforcement during transport skeleton, die-filling and moulding tubes；
4) pipe die, is assembled, the two-port and joint close of pipe die are without obvious gap, and the fastener connected between each several part firmly may be used
Lean on, the bottom plate of pipe die is smooth, interior external mold is perpendicular to bottom plate and is accurately positioned；
5), by step 4) in pipe die inner wall cleaning it is clean, the cement screenings of remaining is rejected, then in pipe die inwall and gear
Interleaving agent is coated on circle, bottom plate, interleaving agent selects grease, emulsified fat or rosin soap；
6), by step 3) in skeleton be fitted into step 5) in pipe die in, framework of steel reinforcement load pipe die when prevent scratch manage
Mould inwall；
7), to step 1) in ready cement, water, sandstone and using electronic weighing device carry out individually metering match somebody with somebody
Material, the error of cement, water and additive is ± 2%, and the error of sand and stone is ± 3%；
8), to step 7) in blending process use multiple blanking method, claim when any material enters to required weight
When 90~95%, stop blanking, then interval crawl blanking, until completing blanking after weight needed for reaching；
9), by step 8) in the sandstone that completes of dispensing deliver to inside agitator, appropriate (mesh is then added inside agitator
Mark the humidity 70%-90% pre- setting value that adds water) water；
10), by step 8) in the cement that completes of dispensing and additive be added to inside agitator, and stirred with sandstone
Mix, then draw off the concrete completed；
11), concrete continuous is uniformly fed in pipe die, inner core is opened when concrete feeds 1/3 height of pipe range
Mould vibrator, during concrete edge vibration side feeding to pipe die top, rotates tube top pressue device above pipe, Opening pressure oil
Cylinder makes forming ring be pressed on pipe end, rolls end surfaces and continues 1min, closes inner core die vibrator, and continues to roll 1min, until
After the complete failure of oscillation of vibrator, tube top pressue device is retracted into original place；
12), to carrying out removing surface, finishing at the top of molded concrete prefabricated pipe, then it is inserted in inside and outside protection sizing
Circle；
13), over coarse grained soil (gravel compound), chisley soil (gravelly soil) and fine grained soil (low liquid limit clayey soil) are mixed and filled
In the bottom of high-grade highway Bridgehead by Blastig, thickness is 100mm~300mm, concrete is then laid above, and be put into reinforcing bar
Concrete prefabricated pipe.
In above-described embodiment, specifically, the composition of concrete is water：190th, cement：404th, sand：542nd, stone：1264,
Its reclaimed water：Cement：Sand：Stone is 0.47:1:1.342:3.219, the intensity of concrete can be improved by this match ratio, is improved
The stabilization of roadbed.
In above-described embodiment, specific concrete prefabricated pipe intensity is not less than 50MPa, by adding concrete prefabricated pipe,
The drainage performance of highway Bridgehead by Blastig can be increased, simultaneously because internal can improve the intensity of roadbed provided with reinforcing bar, increase roadbed
Service life, reduces the incidence of subgrade settlement.
In above-described embodiment, specifically, step 1) in sand use modulus of fineness for 3.0~2.3 middle sand, its clay content
3% is cannot be greater than, cement is not less than 52.5 portland cement or Portland cement using strength grade, stone is maximum
Particle diameter cannot be greater than the 1/3 of armored concrete thickness of pipe wall, and flat-elongated particles content cannot be greater than 15%, and clay content cannot be greater than
1%, clod content cannot be greater than 0.5%, and coagulation can be improved during making concrete and making concrete prefabricated pipe
The intensity of the quality and quality of soil and concrete prefabricated pipe, increase concrete and concrete prefabricated pipe.
In above-described embodiment, specifically, step 3) in each portion's permissible variation in dimension of framework of steel reinforcement：Diameter ± 5mm, length+
0-10mm, the ring of number of rings+10, pitch ± 5mm can improve the uniformity of framework of steel reinforcement, while can increase armored concrete prefabricated pipe
Intensity.
The roadbed filler on bridgehead of high-grade highway and its production method are individually measured using electronic weighing device, and are used
Interval crawl blanking, cutting stock precision is higher, and mixer is knocked down after sandstone enters mixer plus suitable quantity of water, then by cement and admixture
Mixed with the stirring of damp sand stone, dust can be effectively reduced, improved the intensity and quality of concrete, be inlaid with armored concrete prefabricated
Pipe, can improve the performance of the draining of roadbed, while the intensity of roadbed is improved, the jump car phenomenon of buffering automobile Bridgehead by Blastig, increase
The service life of roadbed, reduces the incidence of subgrade settlement, reduces maintenance cost.
In summary, the basic principles, principal features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel's understanding, the present invention is not limited to the above embodiments, simply illustrates this hair described in above-described embodiment and specification
Bright principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
It all fall within the protetion scope of the claimed invention with improvement.The claimed scope of the invention is by appended claims and its effect
Thing is defined.
Claims (5)
1. a kind of roadbed filler on bridgehead of high-grade highway, it is characterised in that：Its composition includes over coarse grained soil (gravel compound), stone
Matter soil (gravelly soil), fine grained soil (low liquid limit clayey soil), concrete and reinforced concrete prefabricated pipe.
A kind of roadbed filler on bridgehead of high-grade highway production method, it is characterised in that：Comprise the following steps：
1), material prepares, including cement, sand, stone, water, reinforcing bar, additive etc.；
2), ready reinforcing bar is placed in special molding frame and tied up using No. 20 or No. 22 galvanized wires or baked wheaten cake silk
Prick, the advance straightening of longitudinal reinforcement, customized cut-off, circumferential reinforcement can not be distorted, and prepare the oblique reinforcing bar of certain number of rings, Suo Youhuan
Fixed to reinforcing bar with the equal colligation in longitudinal reinforcement crosspoint, leakage ties up rate less than 2%, button is tied up in positive and negative along longitudinal reinforcement length arrangement
To cross modal, end circumferential reinforcement and the longitudinal reinforcement crosspoint of framework of steel reinforcement are reinforced using manual electric arc welding；
3), by step 2) in framework of steel reinforcement install protective layer locator card additional, the interlayer of double steel bar skeleton is connected with bearing rod
Firmly, framework of steel reinforcement will have enough rigidity, contact firmly, it is not loose, do not collapse, tilt, obvious torsional deformation and concentric reducer
Phenomenon；
4) pipe die, is assembled, the two-port and joint close of pipe die are without obvious gap, and the fastener connected between each several part is solid and reliable,
The bottom plate of pipe die is smooth, and interior external mold is perpendicular to bottom plate and is accurately positioned；
5), by step 4) in pipe die inner wall cleaning it is clean, reject the cement screenings of remaining, then pipe die inwall and back-up ring,
Interleaving agent is coated on bottom plate, interleaving agent selects grease, emulsified fat or rosin soap；
6), by step 3) in skeleton be fitted into step 5) in pipe die in, framework of steel reinforcement load pipe die when prevent scratch pipe die in
Wall；
7), to step 1) in ready cement, water, sandstone and independent batching, water are carried out using electronic weighing device
The error of mud, water and additive is ± 2%, and the error of sand and stone is ± 3%；
8), to step 7) in blending process use multiple blanking method, when any material enter claim to required weight 90~
When 95%, stop blanking, then interval crawl blanking, until completing blanking after weight needed for reaching；
9), by step 8) in the sandstone that completes of dispensing deliver to inside agitator, then add that appropriate (target is wet inside agitator
Spend 70%-90% the pre- setting value that adds water) water；
10), by step 8) in the cement that completes of dispensing and additive be added to inside agitator, and be stirred with sandstone,
Then the concrete completed is drawn off；
11), concrete continuous is uniformly fed in pipe die, inner core die is opened when concrete feeds 1/3 height of pipe range and shakes
Dynamic device, during concrete edge vibration side feeding to pipe die top, rotates tube top pressue device above pipe, Opening pressure oil cylinder makes
Forming ring is pressed on pipe end, is rolled end surfaces and is continued 1min, closes inner core die vibrator, and continues to roll 1min, until vibration
After the complete failure of oscillation of device, tube top pressue device is retracted into original place；
12), to carrying out removing surface, finishing at the top of molded concrete prefabricated pipe, then it is inserted in inside and outside protection shaping loop；
13), over coarse grained soil (gravel compound), chisley soil (gravelly soil) and fine grained soil (low liquid limit clayey soil) are mixed and are filled in height
The bottom of standard highway Bridgehead by Blastig, thickness is 100mm~300mm, concrete is then laid above, and be put into reinforced concrete
Native prefabricated pipe.
2. a kind of roadbed filler on bridgehead of high-grade highway according to claim 1, it is characterised in that：The composition of concrete
For water：190th, cement：404th, sand：542nd, stone：1264, its reclaimed water：Cement：Sand：Stone is 0.47:1:1.342:
3.219。
3. a kind of roadbed filler on bridgehead of high-grade highway according to claim 1, it is characterised in that：The concrete is pre-
Tubulation intensity is not less than 50MPa.
4. a kind of roadbed filler on bridgehead of high-grade highway production method according to claim 1, it is characterised in that：It is described
Step 1) in sand use modulus of fineness for 3.0~2.3 middle sand, its clay content cannot be greater than 3%, and cement uses strength grade
It is not less than 52.5 portland cement or Portland cement, stone maximum particle diameter cannot be greater than armored concrete thickness of pipe wall
1/3, flat-elongated particles content cannot be greater than 15%, and clay content cannot be greater than 1%, and clod content cannot be greater than 0.5%.
5. a kind of roadbed filler on bridgehead of high-grade highway production method according to claim 1, it is characterised in that：It is described
Step 3) in each portion's permissible variation in dimension of framework of steel reinforcement：Diameter ± 5mm, length+0-10mm, the ring of number of rings+10, pitch ± 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331376.4A CN107142804A (en) | 2017-05-11 | 2017-05-11 | A kind of roadbed filler on bridgehead of high-grade highway and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331376.4A CN107142804A (en) | 2017-05-11 | 2017-05-11 | A kind of roadbed filler on bridgehead of high-grade highway and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107142804A true CN107142804A (en) | 2017-09-08 |
Family
ID=59777887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710331376.4A Pending CN107142804A (en) | 2017-05-11 | 2017-05-11 | A kind of roadbed filler on bridgehead of high-grade highway and its production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107142804A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108018752A (en) * | 2017-12-02 | 2018-05-11 | 江苏惠淳建设有限公司 | A kind of soft soil roadbed reinforcing construction process |
| CN108892442A (en) * | 2018-09-10 | 2018-11-27 | 卢莺莺 | A kind of roadbed stuffing for expressway and its production method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201850505U (en) * | 2010-11-18 | 2011-06-01 | 中交第一公路勘察设计研究院有限公司 | Rigid-flexible transition structure capable of preventing bumping at bridge-head |
| CN102528925A (en) * | 2011-12-16 | 2012-07-04 | 马鞍山钢铁建设集团有限公司 | Vertical vibrating pre-forming production process for large-diameter reinforced concrete drainage pipe |
| CN104631251A (en) * | 2015-01-05 | 2015-05-20 | 王军 | Geogrid chamber lightweight mixed soil reinforced structure for bridge head treatment |
| CN106584674A (en) * | 2016-12-27 | 2017-04-26 | 齐跃广 | Full-automatic batching and mixing control system adopting method of sand enveloped with cement |
-
2017
- 2017-05-11 CN CN201710331376.4A patent/CN107142804A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201850505U (en) * | 2010-11-18 | 2011-06-01 | 中交第一公路勘察设计研究院有限公司 | Rigid-flexible transition structure capable of preventing bumping at bridge-head |
| CN102528925A (en) * | 2011-12-16 | 2012-07-04 | 马鞍山钢铁建设集团有限公司 | Vertical vibrating pre-forming production process for large-diameter reinforced concrete drainage pipe |
| CN104631251A (en) * | 2015-01-05 | 2015-05-20 | 王军 | Geogrid chamber lightweight mixed soil reinforced structure for bridge head treatment |
| CN106584674A (en) * | 2016-12-27 | 2017-04-26 | 齐跃广 | Full-automatic batching and mixing control system adopting method of sand enveloped with cement |
Non-Patent Citations (1)
| Title |
|---|
| 企业规程编委: "混凝土和钢筋混凝土排水管工艺技术规程", 《辽宁建材》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108018752A (en) * | 2017-12-02 | 2018-05-11 | 江苏惠淳建设有限公司 | A kind of soft soil roadbed reinforcing construction process |
| CN108892442A (en) * | 2018-09-10 | 2018-11-27 | 卢莺莺 | A kind of roadbed stuffing for expressway and its production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AlShareedah et al. | Field performance evaluation of pervious concrete pavement reinforced with novel discrete reinforcement | |
| CN106894308A (en) | A kind of crack resistance construction of cement stable macadam base method | |
| CN103864374A (en) | Semi-flexible pavement base material and preparation method thereof | |
| CN107143111A (en) | A kind of construction method of abrasion-proof terrace | |
| CN104929365B (en) | Refuse of refuse burning generating plant discharging platform combined type surface construction technology | |
| CN104233950B (en) | A kind of precast pier and its production method | |
| CN105256689A (en) | Construction method of water retaining and cooling asphalt pavement | |
| CN106835973B (en) | Web-superhigh tenacity cement-base composite material combined bridge deck structure and method | |
| CN107226662A (en) | A kind of large dosage heavy blast furnace slag complex sand base water-permeable brick and its high efficiency preparation method | |
| CN107142804A (en) | A kind of roadbed filler on bridgehead of high-grade highway and its production method | |
| CN107805989A (en) | Temporary road rolling compacted concrete pavement reconstruction structure and its construction method | |
| CN114045729A (en) | Anti-segregation crack-reducing construction method for cement stabilized aggregate base layer in low-temperature area | |
| CN110306791A (en) | Superelevation clear-water concrete independence cylinder construction method | |
| CN107604788A (en) | Cement concrete L-type kerbstone preparation method and its method for paving | |
| CN114163187A (en) | Emulsified asphalt plant-mixed cold-recycling mixture and construction process thereof | |
| Adaska | Roller-compacted concrete (RCC) | |
| CN107142902A (en) | High head and large flow tunneling boring damming method | |
| CN106939545B (en) | A kind of road surface fast repairing method | |
| CN111719371A (en) | Road base layer component and road paving method | |
| CN110242328A (en) | A kind of Tunnel Second Lining Construction method | |
| CN206736649U (en) | A kind of light road bank structure | |
| CN107227668B (en) | Fiber asphalt concrete pavement and construction method thereof | |
| CN107558324A (en) | The Steel Fibre Concrete Pavement and its construction technology of a kind of tramcar and road usual friendship mouth | |
| CN106968167B (en) | A kind of construction method of bridge expanssion joint packing material | |
| JP7330797B2 (en) | Concrete construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170908 |