CN109736155A - Building castoff Filling Expressway Subgrade construction - Google Patents
Building castoff Filling Expressway Subgrade construction Download PDFInfo
- Publication number
- CN109736155A CN109736155A CN201811469393.5A CN201811469393A CN109736155A CN 109736155 A CN109736155 A CN 109736155A CN 201811469393 A CN201811469393 A CN 201811469393A CN 109736155 A CN109736155 A CN 109736155A
- Authority
- CN
- China
- Prior art keywords
- filling
- building castoff
- construction
- rolling
- roadbed
- 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
Abstract
The invention discloses building castoff Filling Expressway Subgrade constructions, the engineering method is crushed according to the partial size and ingredient of building castoff, is sorted, is rejected, Gradation Optimization is carried out to handle to obtain roadbed filling, the particle maximum particle diameter of the house refuse of building waste sorting, plastics, metal material, wood materials, humus, foam light materials sundries, roadbed filling is no more than 150mm.Engineering method uses vibration pressure after vibrated roller elder generation static pressure, effectively avoids the phenomenon for causing skin granulate loose because of vibration, has good consolidation effect.The building castoff good water permeability that engineering method uses, when construction, are not influenced by rainy season construction, can be accelerated construction progress.Engineering method is jointly controlled using differential settlement and compactness, can effectively improve the filling roadbed strength and stability of building castoff, has significant Social benefit and economic benefit.
Description
Technical field
The present invention relates to a kind of methods by building castoff filling high speed roadbed, belong to building castoff and reapply technology
Field.
Background technique
As Urbanization in China is constantly accelerated, can all there be a large amount of structure to close on service life every year and be removed, add
Part building it is destroyed by natural calamities such as earthquakes, produce a large amount of building castoff.China's building castoff is produced per year
About 3,500,000,000 tons of amount, but comprehensive utilization ratio is less than 5%, far below European Union (90%), Japanese (97% or more) and South Korea (97% with
On) etc. developed countries and regions, such as traditional discarded concrete processing method mainly transport countryside air storage or landfill to, account for
With a large amount of soils, ecological environment is destroyed, and has exceeded the disposing capacity of urban architecture waste, the place of the building castoff of flood tide
Reason problem seriously restricts the propulsion of Process of Urbanization Construction.It is planned according to China " 13 ", in plan the year two thousand twenty highway is built up
150,000 kilometers of journey.Expressway construction mileage is necessarily required to a large amount of construction material during continuous expand, and obtains this
A little construction materials may cause huge destruction to the ecosystem.
Building castoff has the good characteristics such as high intensity, high rigidity, impact flexibility is strong, wearability is high, water-tolerant, object
Reason and stable chemical performance, performance have been more than clay, silty soil, sand and rendzinas, are also had compared with other construction materials
Quantity is more and feature at low cost.
Capital Loop Freeway the beginning and the end mileage is K0+660.416~K38+859.023, and overall length 38.2km completely bankets
Side about 6,000,000 m of amount3, average 5.5 meters of the depth of fill.Beijing area subgrade construction Tu Yuan is few, takes native hardly possible, and building site neighboring buildings are useless
Gurry storage is more, and majority is that one-storey house is removed, and brick is more.Due to building castoff good water permeability, when construction, is not applied by rainy season
Work influences, and accelerates construction speed.According to the requirement of " low-carbon traffic, environmentally friendly traffic ", according to the thinking of " doing traffic hardworking and thrifty dustrious and thrifty in managing one's household ", benefit
Highway subgrade is filled with building castoff, is a kind of trial and test of " turn waste into wealth, economize on resources ", and realizes that highway is built
A breach of " if save the cost reduces investment, reduces cost " target.Resource regeneration is increased, not only can directly be dropped
Low project cost also reduces and takes native excavation, protect environment, saved resource.
This engineering method be combine completed National Capital Area loop wire building castoff Filling Expressway Subgrade engineering, and
Construction practices experience is summarized, the key technology in work progress is summarized and is formed.The formation of the engineering method, can be improved and apply
Work efficiency rate, reinforce quality control on construction, for building castoff Filling Expressway Subgrade arrangement and method for construction design provide it is strong
Foundation, meanwhile, the construction for building castoff Filling Expressway Subgrade under domestic conditions of similarity has accumulated invaluable experience, pushes away
Standard convention into building castoff Filling Expressway Subgrade engineering construction related fields is formed and systematic Study, has
Significant Social benefit and economic benefit.
Summary of the invention
It is an object of the invention to propose building castoff Filling Expressway Subgrade construction, engineering method is using vibration
It shakes and presses after road roller elder generation static pressure, effectively avoid the phenomenon for causing skin granulate loose because of vibration, there is good compacting effect
Fruit.The building castoff good water permeability that engineering method uses, when construction, are not influenced by rainy season construction, can be accelerated construction progress.Engineering method
Jointly controlled using differential settlement and compactness, can effectively improve the filling roadbed strength and stability of building castoff.
To achieve the above object, the technical solution adopted by the present invention is building castoff Filling Expressway Subgrade construction work
Method, the engineering method are crushed according to the partial size and ingredient of building castoff, are sorted, are rejected, and are carried out Gradation Optimization and are handled to obtain road
Based filler, the house refuse of building waste sorting, plastics, metal material, wood materials, humus, foam light materials sundries,
The particle maximum particle diameter of roadbed filling is no more than 150mm.
S1 paves
Filler transit route is arranged properly when transporting filler with a thickness of 250mm in the loose Pu that this engineering method uses.Roadbed filling warp
Excavator is directly loadable into dumper and is transported to construction site, and by horizontal slice, central discharge behind high, first two sides, has been loaded and unloaded after first low
Filler after.The width that every dypass based filler is laid with will be more than that packing course designs width 50cm.It is slightly put down using bull-dozer, land leveller
Essence is flat.It finds that partial size is more than specification and technical requirements in paving process, is solved again using big gun crusher machine hammer small, artificial
Broken or rejecting.
S2 watering or sunning
Natural moisture content Detection & Controling are carried out after building castoff filler paves and before rolling, moisture content is according to indoor real
The optimum moisture content for testing determining building castoff filler is controlled, and is no more than ± 2%.Moisture content is too low or excessively high should carry out
Watering or sunning operation, carry out subsequent rolling operation after carrying out 2~4h of shelving after watering.
S3 placement grinding
Rolled using active section of the vibrated roller to paving and leveling, first press two sides lean on road shoulder part, after successively to
Intermediate pressure.The travel speed that rolls of road roller is begun at a slow speed, and speed per hour is controlled in 2km/h；Maximum speed is no more than 4km/
h；It is carried out from low to high when rolling, straightway is from both sides to centre, and from the inside to the outside, Longitudinal carries out sharp radius curve section；
Chong Die 40~50cm between being compacted route longitudinally parallel to each other for rolling, row and going, front and back adjacent sections overlapping 100~
150cm；When rolling to the edge of roadbed, road roller and route section angle at 45 ° reach without leakage pressure, without dead angle, it is ensured that roll
Uniformly.
It is strong later to shake first using each 1 time of vibrated roller static pressure, weak vibration when rolling, Qiang Zhen 3~7 times, until compactness
Meet technical requirements with differential settlement, finally uses road roller static pressure 1 time, the effect after rolling completion.
After roadbed often fills 1.5m, enhancing impact is carried out using the above triangle impact road roller of energy 25kJ as needed
Ftercompction 10~15 times.
The construction of S4 bound edge soil
Bound edge soil and roadbed filling synchronous construction.Bound edge soil also belongs to a part of road structure, and width is calculated last
It forms within width of subgrade.Bound edge soil thickness be 2.0m, widen 50cm outward in the construction process, all molding after again into
Row cuts slope, to guarantee the compactness for rolling width and side slope of road roller.To ensure that compacted density to 93% compactness, needs stringent
The physical indexs such as partial size, moisture content of banketing are controlled, rolling method guarantees design compactness and compacting as general soil subgrade
Thickness guarantees the stability of side slope, bound edge soil work progress.Finished when bound edge clay rolls, by code requirement detection compactness,
Flatness, width, absolute altitude.
Moisture control is no more than ± 2% in optimum moisture content before rolling.Appropriate moisturizing is answered when surface is more dry.
It rolls using from low to high, from both sides to the mode of intermediate wrong wheel, wheelmark is overlapped 40~50cm.
First using each 1 time of vibrated roller static pressure, weak vibration, later strong vibration 3~7 times, last static pressure 1 time.Per strong vibration 2 times into
Settling amount detection of row, finally carries out compactness detection.
The underground utilities and neighbouring various structures rolled in range are found out before rolling, and are arranged according to the type of structure
Apparent marker should be arranged in the periphery of protection scope for the structure of quasi- protection before construction, for not being inconsistent in guard space
The travel speed for taking reduction road roller closing evaded distance but must constructing reduces vibration, and increases the protection of number of rolling
Measure, and set special messenger commander and weaken the effect.
Compared with prior art, the roadbed of this engineering method is filled using the earthwork, is counted according to plains region ditch depth 2m
It calculates, needs 7.5 mu/ten thousand m of land occupation3；By 1 mu/ten thousand m of saving when roadbed is filled using building castoff3.Therefore, do not considering
In the case where saving on transport costs, two are reduced 8.5 mu/ten thousand m of land use altogether3.This project is expected to use 300,000 m of building castoff3,
Can Economization on land use 8.5 mu/ten thousand m3× 30 ten thousand m3=255 mu.
In addition, at present building castoff transport, landfill, cleaning be both needed to consumption substantial contribution, by building castoff by plus
Work processing is applied to construction as reworked material, can save the enormous expenditure of building castoff landfill cleaning.
The demand of highway engineering construction material over the ground is huge, and valuable soil will be discharged by carrying out processing and utilization to building castoff
Ground resource.Simultaneously in Process of Engineering Construction, building castoff substitution roadbed takes soil that can reduce the interim occupancy in the construction period
Cost of land.
In addition, after the regeneration of building castoff, harmful substance is avoided in building castoff to surrounding soil and water
The pollution of resource, solves the phenomenon that building castoff is arbitrarily toppled over, and protects regional environment.
Detailed description of the invention
Fig. 1 is the implementation diagram of this engineering method specific embodiment.
Specific embodiment
Engineering method of the invention is described in detail below in conjunction with drawings and examples.
Building castoff Filling Expressway Subgrade construction, the engineering method according to the partial size of building castoff and ingredient into
Row is broken, sorting, rejects, and carries out Gradation Optimization processing, takes the treatment measures such as broken when necessary.It should separate as far as possible wherein
The sundries such as house refuse, plastics, metal material, wood materials, humus, foam light materials, the particle of roadbed filling is maximum
Partial size is usually no more than 150mm.
S1 paves
General subgrade filler is replaced using building castoff, the loose laying depth of filler is the important ginseng of consolidation effect control
Number.Loose laying depth is considered as compacting machine performance, packing material size, filling property, is ensuring the reasonable premise of filled soils, technology
Under, should also meet saving construction cost and shorten construction period etc. proposed requirement, the loose Pu that this engineering method uses with a thickness of
250mm.When transporting filler, filler transit route, special messenger commander are arranged properly.Filler, which through excavator is directly loadable into dumper and is transported to, to be applied
Work scene, by horizontal slice, central discharge behind high after first low, elder generation two sides, the filler after the completion of loading and unloading.The width that every side filler is laid with
Degree will be more than that packing course designs width 50cm.It is slightly put down using bull-dozer, land leveller essence is flat.Find that partial size is more than rule in paving process
Model and technical requirements, small, hand breaking or rejecting are solved using big gun crusher machine hammer again.
S2 watering or sunning
Natural moisture content Detection & Controling should be all carried out after building castoff filler paves and before rolling, moisture content should basis
The optimum moisture content for the building castoff filler that laboratory experiment determines is controlled, no more than ± 2%.Moisture content is too low or mistake
Operation should be sprinkled water or be dried to height, can carry out subsequent rolling operation after should also carrying out 2~4h of shelving after watering.
S3 placement grinding
Rolled using active section of the vibrated roller to paving and leveling, first press two sides lean on road shoulder part, after successively to
Intermediate pressure.The travel speed that rolls of road roller is begun at a slow speed, and speed per hour is controlled in 2km/h；Maximum speed no more than
4km/h；Carried out from low to high when rolling, straightway from both sides to centre, sharp radius curve section from the inside to the outside, Longitudinal into
Row；Chong Die 40~50cm between being compacted route longitudinally parallel to each other for rolling, row and going, front and back adjacent sections should be overlapped 100
~150cm；When rolling to the edge of roadbed, road roller and route section angle at 45 ° reach without leakage pressure, without dead angle, it is ensured that grind
Pressure is uniform.
When rolling, first using each 1 time of vibrated roller static pressure, weak vibration, later strong vibration, general strong vibration 3~7 times, until pressure
Solidity and differential settlement meet technical requirements, finally use road roller static pressure 1 time, the effect after rolling completion.Wherein reach 94th area
Compaction requirement need to shake by force 3 times or more, and reaching 96 area's compaction requirements need to shake by force 7 times or more.
After roadbed often fills 1.5m, enhancing impact is carried out using the above triangle impact road roller of energy 25kJ as needed
Ftercompction 10~15 times.
The construction of S4 bound edge soil
Bound edge soil and roadbed filling synchronous construction.Bound edge soil also belongs to a part of road structure, and width should be calculated
Finally form within width of subgrade.Bound edge soil thickness is preferably 2.0m, widens 50cm outward in the construction process, in whole moldings
It carries out cutting slope again afterwards, to guarantee the compactness for rolling width and side slope of road roller.For ensure compacted density to 93% compactness,
Strict control is needed to banket the physical indexs such as partial size, moisture content, rolling method guarantees design compactness as general soil subgrade
And compacted thickness, guarantee the stability of side slope, bound edge soil work progress.It finishes, should be examined by code requirement when bound edge clay rolls
Survey compactness, flatness, width, absolute altitude.
Moisture control is in optimum moisture content before rolling, no more than ± 2%.Appropriate moisturizing is answered when surface is more dry.
Rolling should be using from low to high, and from both sides to the mode of intermediate wrong wheel, wheelmark is overlapped 40~50cm.
Generally first using each 1 time of vibrated roller static pressure, weak vibration, later strong vibration 3~7 times, last static pressure 1 time.Wherein reach
It need to shake by force 3 times or more to 94 area's compaction requirements, reaching 96 area's compaction requirements need to shake by force 7 times or more.
2 times speed are about 2km/h before when rolling, and later speed can be accelerated to 4km/h.
A settling amount detection is carried out per strong vibration 2 times or so under normal circumstances, finally carries out compactness detection.
The underground utilities and neighbouring various structures rolled in range are found out before rolling, and are arranged according to the type of structure
Apparent marker should be arranged in the periphery of protection scope for the structure of quasi- protection before construction, for not being inconsistent in guard space
The travel speed for taking reduction road roller closing evaded distance but must constructing reduces vibration, and increases the protection of number of rolling
Measure, and special messenger commander should be set, it weakens the effect as far as possible.
Embodiment
Capital Loop Freeway the beginning and the end mileage is K0+660.416~K38+859.023, and overall length 38.2km completely bankets
Side about 6,000,000 m of amount3, average 5.5 meters of the depth of fill.Project is located at Tongzhou District, Beijing City, and natural earthwork natural moisture content is high, no
It can be directly used in roadbed filling, and project neighboring buildings waste storage is more, majority is that one-storey house is removed, and brick is more, then
In line with the thought of " turn waste into wealth, economize on resources ", the building castoff on project periphery is used to fill capital Loop Freeway
Roadbed part.Using building castoff Filling Expressway Subgrade construction, by building castoff be applied to 93rd area of roadbed~
96th area are filled.After the completion of construction, pass through the on-site test to indexs such as compactness, the modulus of resilience, deflection value, flatness, energy
Enough meet this project roadbed fills requirement, and accelerates construction speed, saves 300,000 side of the earthwork, achieves good society's warp
Ji benefit.
In new highway in Beijing, the engineering method Successful utilization in roadbed bottom surface hereinafter, filling height be 0.6~2.75m, disappear
Consuming building castoff total amount is about 2.3 ten thousand m3.The subgrade settlement change rate very little, monolithic stability, construction progress is smooth, and effect is good
It is good, it is satisfactory to complete node schedule objective.
The following table 1 is construction equipment list, and table 2 is Subgrade Construction Quality requirement
1 construction equipment table of table
| Mechanical title | Specifications and models | Quantity | Unit |
| Sprinkling truck | 8t | 3 | ? |
| Land leveller | PY180A | 1 | Platform |
| Bull-dozer | ≥120kW | 1 | Platform |
| Single drum vibratory roller | 22t | 2 | ? |
| Triangle impact road roller | 32t | 1 | ? |
| Dumper | 20m3 | 10 | ? |
| Load wagon | 50 types | 1 | Platform |
The requirement of 2 Subgrade Construction Quality of table
Claims (5)
1. building castoff Filling Expressway Subgrade construction, it is characterised in that: the engineering method is according to the grain of building castoff
Diameter and ingredient are crushed, are sorted, are rejected, and are carried out Gradation Optimization and are handled to obtain roadbed filling, the life of building waste sorting
Rubbish, plastics, metal material, wood materials, humus, foam light materials sundries, the particle maximum particle diameter of roadbed filling do not surpass
Cross 150mm；
S1 paves
Filler transit route is arranged properly when transporting filler with a thickness of 250mm in the loose Pu that this engineering method uses；Roadbed filling is through excavating
Machine is directly loadable into dumper and is transported to construction site, by horizontal slice, central discharge behind high, first two sides after first low, after the completion of handling
Filler；The width that every dypass based filler is laid with will be more than that packing course designs width 50cm；It is slightly put down using bull-dozer, land leveller essence
It is flat；It finds that partial size is more than specification and technical requirements in paving process, is solved again using big gun crusher machine hammer small, artificial broken
Broken or rejecting；
S2 watering or sunning
Natural moisture content Detection & Controling are carried out after building castoff filler paves and before rolling, moisture content is true according to laboratory experiment
The optimum moisture content of fixed building castoff filler is controlled, and is no more than ± 2%；Moisture content is too low or excessively high should sprinkle water
Or sunning operation, subsequent rolling operation is carried out after carrying out 2~4h of shelving after watering；
S3 placement grinding
Rolled using active section of the vibrated roller to paving and leveling, first press two sides lean on road shoulder part, after successively to centre
Pressure；The travel speed that rolls of road roller is begun at a slow speed, and speed per hour is controlled in 2km/h；Maximum speed is no more than 4km/h；It grinds
It is carried out from low to high when pressure, straightway is from both sides to centre, and from the inside to the outside, Longitudinal carries out sharp radius curve section；Compacting
Route is longitudinally parallel to each other for rolling, capable Chong Die 40~50cm between row, 100~150cm of front and back adjacent sections overlapping；It is right
When the edge of roadbed rolls, road roller and route section angle at 45 ° reach without leakage pressure, without dead angle, it is ensured that roll uniformly；
When rolling, each 1 time of vibrated roller static pressure, weak vibration is first used, later strong vibration, Qiang Zhen 3~7 times, until compactness and sunk
Drop difference meets technical requirements, finally uses road roller static pressure 1 time, the effect after rolling completion；
After roadbed often fills 1.5m, enhancing shocking rolling is carried out using the above triangle impact road roller of energy 25kJ as needed
10~15 times；
The construction of S4 bound edge soil
Bound edge soil and roadbed filling synchronous construction；Bound edge soil also belongs to a part of road structure, and width calculation is formed finally
Within width of subgrade；Bound edge soil thickness is 2.0m, widens 50cm outward in the construction process, is cut again after all moldings
Slope, to guarantee the compactness for rolling width and side slope of road roller；To ensure that compacted density to 93% compactness, needs strict control
It bankets the physical indexs such as partial size, moisture content, rolling method guarantees that design compactness and compacting are thick as general soil subgrade
Degree, guarantees the stability of side slope, bound edge soil work progress；It finishes when bound edge clay rolls, by code requirement detection compactness, puts down
Whole degree, width, absolute altitude.
2. building castoff Filling Expressway Subgrade construction according to claim 1, it is characterised in that: before rolling
Moisture control is no more than ± 2% in optimum moisture content；Appropriate moisturizing is answered when surface is more dry.
3. building castoff Filling Expressway Subgrade construction according to claim 1, it is characterised in that: roll and adopt
With from low to high, from both sides to the mode of intermediate wrong wheel, wheelmark is overlapped 40~50cm.
4. building castoff Filling Expressway Subgrade construction according to claim 1, it is characterised in that: first use
Each 1 time of vibrated roller static pressure, weak vibration, later strong vibration 3~7 times, last static pressure 1 time；A settling amount inspection is carried out per strong vibration 2 times
It surveys, finally carries out compactness detection.
5. building castoff Filling Expressway Subgrade construction according to claim 1, it is characterised in that: before rolling
It finds out the underground utilities and neighbouring various structures rolled in range, and guard space, construction is arranged according to the type of structure
Apparent marker should be arranged in the periphery of protection scope in the preceding structure for quasi- protection, for not meeting evaded distance but
What must be constructed takes the travel speed for reducing road roller to reduce vibration, and increases the safeguard measure of number of rolling, and set special messenger
Commander weakens the effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811469393.5A CN109736155A (en) | 2018-11-28 | 2018-11-28 | Building castoff Filling Expressway Subgrade construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811469393.5A CN109736155A (en) | 2018-11-28 | 2018-11-28 | Building castoff Filling Expressway Subgrade construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109736155A true CN109736155A (en) | 2019-05-10 |
Family
ID=66358363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811469393.5A Pending CN109736155A (en) | 2018-11-28 | 2018-11-28 | Building castoff Filling Expressway Subgrade construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109736155A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273428A (en) * | 2019-07-03 | 2019-09-24 | 中电建十一局工程有限公司 | It is a kind of using building waste as the construction method for filling materials |
| CN111305006A (en) * | 2020-03-12 | 2020-06-19 | 中铁四局集团有限公司 | Filling construction method of road filling foundation |
| CN112726310A (en) * | 2021-01-29 | 2021-04-30 | 温州大学 | Reinforced roadbed with concrete building rubbish mixed soil as roadbed filler and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603842A (en) * | 2016-03-03 | 2016-05-25 | 武汉理工大学 | Large-thickness sand filling construction technology for embankment |
| CN106758709A (en) * | 2016-11-28 | 2017-05-31 | 北京市政建设集团有限责任公司 | A kind of method for express highway roadbed building castoff breaking, regenerating |
| CN207452609U (en) * | 2017-09-14 | 2018-06-05 | 中交第一公路勘察设计研究院有限公司 | A kind of hassock layer Foam lightweight soil road structure in deep soft foundation section |
| CN108677638A (en) * | 2018-05-29 | 2018-10-19 | 上海交通大学 | Express highway roadbed dam filling construction based on building waste |
-
2018
- 2018-11-28 CN CN201811469393.5A patent/CN109736155A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603842A (en) * | 2016-03-03 | 2016-05-25 | 武汉理工大学 | Large-thickness sand filling construction technology for embankment |
| CN106758709A (en) * | 2016-11-28 | 2017-05-31 | 北京市政建设集团有限责任公司 | A kind of method for express highway roadbed building castoff breaking, regenerating |
| CN207452609U (en) * | 2017-09-14 | 2018-06-05 | 中交第一公路勘察设计研究院有限公司 | A kind of hassock layer Foam lightweight soil road structure in deep soft foundation section |
| CN108677638A (en) * | 2018-05-29 | 2018-10-19 | 上海交通大学 | Express highway roadbed dam filling construction based on building waste |
Non-Patent Citations (2)
| Title |
|---|
| 刘泽锋: "建筑渣土用作路基填料的施工工艺", 《公路与汽运》 * |
| 李亮辉: "建筑废弃物在高速公路路基中的应用研究", 《市政技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273428A (en) * | 2019-07-03 | 2019-09-24 | 中电建十一局工程有限公司 | It is a kind of using building waste as the construction method for filling materials |
| CN111305006A (en) * | 2020-03-12 | 2020-06-19 | 中铁四局集团有限公司 | Filling construction method of road filling foundation |
| CN112726310A (en) * | 2021-01-29 | 2021-04-30 | 温州大学 | Reinforced roadbed with concrete building rubbish mixed soil as roadbed filler and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109736155A (en) | Building castoff Filling Expressway Subgrade construction | |
| CN107100049A (en) | A kind of clay improves the construction method of CHARACTERISTICS OF TAILINGS SAND roadbed filling | |
| CN107761495A (en) | A kind of pre-buried expanding bag compensation subgrade settlement construction method | |
| CN108468325A (en) | A kind of large area borders on the sea beach ooze rapid curing construction method | |
| CN108677638A (en) | Express highway roadbed dam filling construction based on building waste | |
| CN103161109A (en) | Method for subgrade filling of peat soil subgrade by sea sand | |
| CN109914172A (en) | A kind of construction method that the discarded brick slag of bound edge method processing is filling roadbed | |
| CN106930231A (en) | A kind of construction method of the engineering flood bank reinforcing that is applied to pass the flood period | |
| CN109137659A (en) | The construction method of dregs class building castoff Filling Expressway Subgrade | |
| CN109778625A (en) | A kind of express highway roadbed structure that dregs class building castoff fills | |
| CN111778796A (en) | Roadbed construction process | |
| CN112627154A (en) | Water network zone lime solidified soil test section filling design method | |
| CN110820456A (en) | Anti-settling and replacement-filling alternate airport runway and construction method thereof | |
| CN102767170A (en) | Earth pressure calculation method of upper buried structure | |
| CN108951333A (en) | A kind of method that building castoff processing recycles | |
| CN206800094U (en) | A kind of big particle diameter building waste roadbed | |
| CN107513992A (en) | A kind of shallow surface solidifying agent consolidation continuous construction method of mud | |
| CN103669329A (en) | Process for direct dynamic compaction method treatment of ultra-deep building dump pit | |
| CN111041916A (en) | Roadbed construction method by solidifying earthwork | |
| CN116103969A (en) | High-efficiency highway engineering saline soil roadbed treatment process | |
| CN111206598B (en) | Method for cooperatively utilizing construction waste in hillock landscaping project | |
| CN211142675U (en) | Roadbed structure of expressway filled with muck type construction waste | |
| CN204509936U (en) | A kind of assembled turf | |
| CN100365210C (en) | Construction method for positioning and compacting subgrade | |
| CN211815246U (en) | Prevent subsiding and trade and fill alternative airport runway |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200117 Address after: 100024 Beijing, Guanzhuang, Chaoyang District, Zhou Applicant after: CCCC FIRST HIGHWAY ENGINEERING GROUP Co.,Ltd. Applicant after: BRIDGE & TUNNEL ENGINEERING CO., LTD. OF CCCC FIRST HIGHWAY ENGINEERING Co.,Ltd. Address before: 100070, B901, room 916, Spark Road 10, Fengtai District Science City, Beijing Applicant before: BRIDGE & TUNNEL ENGINEERING CO., LTD. OF CCCC FIRST HIGHWAY ENGINEERING Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190510 |
|
| RJ01 | Rejection of invention patent application after publication |