CN104328797B - High slope large curvy wall building construction engineering method - Google Patents
High slope large curvy wall building construction engineering method Download PDFInfo
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- E—FIXED CONSTRUCTIONS
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- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
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Abstract
The invention discloses a kind of high slope large curvy wall building construction engineering method, this engineering method is by controlling the slope ratio of high slope barricade, large curved measurement and settlement observation, and reasonable Arrangement spilled water hole, increase sandstone loaded filter thickness and area, difficulty of construction and Survey control required precision are reduced, working procedure simplifies, both ensure that construction quality, shorten the construction period again, in comprehensive harnessing of landslide body, achieve breakthrough achievement, the construction for the barricade masonry project of similar extra-high, super large curve provides valuable experience.
Description
Technical field
The present invention relates to a kind of barricade building construction engineering method, be specifically related to a kind of high slope large curvy wall building construction engineering method, belong to technical field of building construction.
Background technology
Along with the quickening of Urbanization Construction process step, because of the restriction of each county, mountain area landform, geomorphologic conditions, nature hillside is split by the road in place, hillside and building, due to the man's activity of limited space, place, hillside construction in later period, the domatic possibility that there is overall landslide, for solving the natural calamity coming down and cause, need to carry out effectively preventing, it is a kind of structure that control is come down that barricade is built by laying bricks or stones.
Because landform limits, the barricade of the large curve of high slope is built by laying bricks or stones and is more and more applied.But the difficulty of construction of the large curvy wall of high slope is large, and Survey control required precision is high, and working procedure is complicated.Therefore researching and developing advanced place, hillside high slope large curvy wall building construction engineering method, to doing mountain area area engineering construction well, there is realistic meaning.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide one can reduce difficulty of construction and Survey control required precision and the simple high slope of working procedure large curvy wall building construction engineering method.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of high slope large curvy wall building construction engineering method, is characterized in that, comprise the following steps:
(1) preparation of construction: draw bench crest coordinate, bench toe coordinate before site operation in CAD plan, with total powerstation by stake setting-out bench crest, at the scene round and smooth for put bench crest is linked up, calculate the upright projection distance between top to road axis, slope according to the width gauge on maximum layer platform bank protection top, above calculating distance is maximum layer Po Ding slope, each pile No. position hanging wire point; Top, each pile No. top barricade slope excavation line is obtained after connecting top, slope hanging wire point;
(2) excavate foundation trench: according to the bench toe coordinate in CAD plan by stake setting-out bench toe, guarantee that brush slope puts in place, retaining wall excavation of foundation pit enters rock stratum 0.5m or enters steady soil 1.5m;
(3) substrate is tamped: after retaining wall excavation of foundation pit, the leveling compacting of the end, hole, retaining wall establishes one shrinkage joint or settlement joint every 10m, stitch wide 2-3cm, sand asphalt plate stuff up a crack, arrange the PVC spilled water hole that diameter is 110mm in body of wall, horizontal, the vertical spacing of spilled water hole is 2-3m, and all retaining walls behind interior dank material that adopts of 40-50cm wide region are backfilling and compacted;
(4) basis is built by laying bricks or stones: release basic axis and sideline and to have existed side by side basic marked rod, marked rod is indicated and moves back platform and layering stone-laying height, between marked rod, pull on directrix, then the vertical line of stepped footing and sleeping line is determined, stone masonry foundation of wall adopts staggered block method, and build by the layering of stone shape hanging wire is sleeping, large of first floor stone, smooth faces down, the mutual fissure of displacement of upper and lower stone, inside and outside overlap joint, pendulum paving is stable, layering bond, mortar joint is 20-30mm, and paving slurry thickness is 40-60 ㎜;
(5) backfill foundation ditch: basis has been built rear employing sand gravel or coarse sand back-filling in layers by laying bricks or stones and tamped, every layer of backfill thickness≤20cm, simultaneously pre-buried spilled water hole, spilled water hole layout is blossom type, every pitch of holes 2m;
(6) masonry wall body: wall body adopts M7.5 cement bonded sand cemented rock, mortar and block stone interlayer are laid, the every layer thickness≤30cm of block stone, and wall body surface adopts M10 pointing with cement mortar,
Three excretion water holes of arbitrary neighborhood adopt Φ 10 circular hole up and down in quincunx interlaced arrangement, cemented rock barricade bottom a drain water pitch-row ground level >=300mm, Spacing of Drain 2.5m, gutter stretches out wall and partly builds 45° angle outward, drainage grade is 10%
When building first floor stone, slurry is sat in substrate, and stone faces down greatly, builds keratite, face stone successively, fills out abdomen stone, then fill out in space by mortar,
When connecing the block second layer and above stone, first complete mortar before often building one block of stone, when stone is up built, mortar be pressed onto the thickness of requirement and be paved with whole mortar joint, gray seam thickness is 20-30mm,
When building stepped footing, the stone of higher level's ladder at least Ya Qi subordinate ladder 1/2, the mutual fissure of displacement overlap joint of rubble of adjacent steps,
Build when having high low platform basic, from lower is built, and by plateau to low overlap joint, lap length is not less than step height overall, and the corner of rubble-mound foundation and junction have been built simultaneously or be built into oblique raft;
(7) backfill filled out by rammer: back-filling in layers backfill is also tamped, the thickness of every layer of backfill is 20cm, staged and layered backfill junction fills into stairstepping and every layer of mutual overlap joint, lap length is no less than 2m, levels fissure of displacement distance is no less than 1m, and embankment all completes rear surface, and to carry out bracing wire levelling.
Aforesaid high slope large curvy wall building construction engineering method, is characterized in that, during winter construction, also comprises the curing step of barricade:
First adopt plastic sheeting to be wrapped up by masonry, then cover with composite cotton fabric felt, the corner steel bar column of composite cotton fabric felt is fixed, and the barricade of the bottom adopts earthing covering curing.
Aforesaid high slope large curvy wall building construction engineering method, is characterized in that, when winter, mortar was built by laying bricks or stones, is added with the antifreezing agent of 4-5% in cement.
Aforesaid high slope large curvy wall building construction engineering method, it is characterized in that, when winter, mortar was built by laying bricks or stones, hot water injection's mixer is first used before stirring, then in mixer, sand, stone and hot water stirs 1min is added, add cement and antifreezing agent again and stir 3min, concrete out-of-machine temperature >=15 DEG C, molding temperature >=10 DEG C.
Aforesaid high slope large curvy wall building construction engineering method, is characterized in that, during rainy day construction, builds by laying bricks or stones and does not stay constuction joint.
Aforesaid high slope large curvy wall building construction engineering method, it is characterized in that, select compressive strength to build by laying bricks or stones at more than 30Mpa, larger stone, aforementioned stone is square and without obvious cutting edge of a knife or a sword rib salient angle, end face and bottom surface smooth, thickness is not less than 20cm, width and length and is not less than thickness.
Aforesaid high slope large curvy wall building construction engineering method, is characterized in that, for the spilled water hole on soil-slope, within the scope of the 0.5m × 0.5m at spilled water hole rear, arranges loaded filter.
Aforesaid high slope large curvy wall building construction engineering method, is characterized in that, aforementioned loaded filter selects the sandstone material layering landfill of even particle size, thickness 15cm, adjacent particle diameter ratio is not less than 1:4, and sand material particle is less than 0.15mm, and mud content is not more than 5%.
Usefulness of the present invention is: difficulty of construction and Survey control required precision reduce, and working procedure is simple, and cost reduces; By controlling the slope ratio of high slope barricade, large curved measurement and settlement observation, and reasonable Arrangement spilled water hole, increase sandstone loaded filter thickness and area, comprehensive harnessing of landslide body under the special geological structure such as mud sandstone, sandstone is made to achieve breakthrough achievement, both ensure that construction quality, shorten the construction period again.
Accompanying drawing explanation
Fig. 1 is the flow chart of barricade building construction engineering method of the present invention.
Detailed description of the invention
Barricade building construction engineering method of the present invention, its technological principle is: control to carry out alignment control by calculating loft, certainty of measurement, builds by laying bricks or stones and adopts mortar flag stone to build retaining wall by laying bricks or stones, and the type of retaining wall is based on weight curb wall and face upward wrong path embankment wall.
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
Barricade building construction labour is by two classes of operations, and every teams and groups need personnel as follows: Quality Inspector 2 people, surveyor 2 people, security official 1 people, build stonemason 10 people, mortar stirring 3 people, haulagman 5 people, general work 6 people by laying bricks or stones.
The main mechanical of construction is as follows: 2, excavator (earth and stone digging), loader (transporting material) 2,5, pneumatic pick (abolishing decayed rock), rammer (lay a good foundation) 4, electric hoist (transport of block stone) 2, mortar mixer (mortar stirring) 2, sprinkling truck (maintenance and provide water source) 1.
With reference to Fig. 1, barricade building construction engineering method of the present invention comprises the following steps:
One, preparation of construction
In CAD plan, draw bench crest coordinate, bench toe coordinate before site operation, with total powerstation by stake setting-out bench crest, setting out method is resect, and arc every 5m setting-out one bench crest coordinate point, guarantees linear round and smooth, attractive in appearance.
Linked up by round and smooth for put bench crest at the scene, calculate the upright projection distance between top to road axis, slope according to the width gauge on maximum layer platform bank protection top, above calculating distance is maximum layer Po Ding slope, each pile No. position hanging wire point; Top, each pile No. top barricade slope excavation line is obtained after connecting top, slope hanging wire point.
In this step, by calculating the domatic height of top platform, the position of barricade, curve linear and the gradient can accurately be located.
Two, foundation trench is excavated
According to the bench toe coordinate in CAD plan by stake setting-out bench toe, guarantee that brush slope puts in place, retaining wall excavation of foundation pit enters rock stratum 0.5m or enters steady soil 1.5m, in case of complicated geological can add deep excavation buried depth, guarantees workmanship and safety.
After retaining wall excavation of foundation pit, field measurement foundation elevation, makes it meet design and code requirement.
Meanwhile, carry out drainage works, the infringement of anti-sealing.
In this step, by controlling retaining wall excavation of foundation pit sideline and absolute altitude, can effectively prevent foundation ditch from backbreaking, and improve the linear accuracy of side slope.
Three, substrate is tamped
After retaining wall excavation of foundation pit, the leveling compacting of the end, hole.Foundation ditch is forbidden to expose for a long time.In construction, pit water accumulation is got rid of in time.
Retaining wall establishes one shrinkage joint or settlement joint every 10m, stitch wide 2-3cm, sand asphalt plate stuff up a crack, the PVC spilled water hole that diameter is 110mm is set in body of wall, horizontal, the vertical spacing of spilled water hole is 2-3m, all retaining walls adopts the dank material such as natural soft-clay, rubble to be backfilling and compacted in 40-50cm wide region behind, makes the relative density of backfill reach 0.65, dry density reaches 20XXN/m.
In this step, by rational deployment's spilled water hole and effective sandstone loaded filter, can ensure that draining is unobstructed.
Four, basis is built by laying bricks or stones
Before basis is built by laying bricks or stones, check size and the absolute altitude of foundation trench (or foundation ditch), remove foreign material, and accomplish fluently end rammer.
Then carry out basic unwrapping wire, release basic axis and sideline, vertical good basic marked rod, marked rod is indicated and moves back platform and layering stone-laying height.Directrix will be pulled between marked rod.
Build stepped footing, also should make vertical line and sleeping line, vertical line is the width controlling every rank, basis, and sleeping line controls every layer height and smooth, and successively move up.
Stone masonry foundation of wall adopts staggered block method, and build by the layering of stone shape hanging wire is sleeping, large of first floor stone, smooth faces down, the mutual fissure of displacement of upper and lower stone, inside and outside overlap joint, and pendulum paving is stable, layering bond.When building by laying bricks or stones, mortar should be full, and plug and pound closely knit, must not have cavity, loose phenomenon.Mortar joint is generally 20-30mm, and paving slurry thickness is about 40-60mm, and larger space application crushed stone embeds in mortar, fills in mortar after never allowing first to fill out rubble.
In this step, by adopting staggered building method and determining the vertical line of stepped footing and sleeping line, ensure that retaining wall foundation is firm, position is accurate.
Five, foundation ditch is backfilled
Basis has built rear employing sand gravel or coarse sand back-filling in layers by laying bricks or stones, every layer of backfill thickness≤20cm.Then with vertical rammer hand compaction.
Meanwhile, pre-buried spilled water hole on stone walling basis, for ensureing draining needs.Spilled water hole layout is blossom type, every pitch of holes 2m.
In this step, by the layout of spilled water hole and the control to backfill thickness, ensure that the more stable and not ponding in basis.
Six, masonry wall body
Wall body adopts M7.5 cement bonded sand cemented rock, and mortar and block stone interlayer are laid, the every layer thickness≤30cm of block stone, and wall body surface adopts M10 pointing with cement mortar.Block stone intensity is not less than 30Mpa.
Settlement joint is set at whole pile No. place, stitches wide 2cm, with pitch loose hemp fiber or the filling of bituminous wood lath in seam, fill in the degree of depth and be not less than 150mm, every bar shrinkage joint up/down perforation (containing basis).To change or barricade linear change place sets up shrinkage joint in substrate soil property.
The laterally three excretion water holes of arbitrary neighborhood adopt Φ 10 circular hole up and down in quincunx interlaced arrangement, the bottom drain water pitch-row ground level >=300mm of cemented rock barricade, Spacing of Drain 2.5m, gutter stretches out wall and partly builds miter angle outward, and drainage grade is 10%.
For the spilled water hole on soil-slope, within the scope of 0.5m × 0.5m in its rear, loaded filter being set, silting up for preventing spilled water hole.Loaded filter preferred particle size uniform sandstone material layering landfill, thickness 15cm, adjacent particle diameter ratio is not less than 1:4, and sand material particle is less than 0.15mm, and mud content is not more than 5%.
Mortar and block stone interlayer are laid, and when building first floor block stone, slurry is sat in substrate, and block stone faces down greatly, and the block barnacle of selection and comparison Founder is on each corner, and this block stone is called keratite, and keratite both sides and directrix are harmonious, and the keratite of corner is roughly equal.After keratite puzzles, then build the block stone of inside and outside, this block stone is called face stone.After face barnacle is good, then fill out mid portion with block barnacle, this block stone is called fills out abdomen stone.When block fills out abdomen stone, be staggeredly placed according to block stone nature shape, make gap between block stone minimum as far as possible, then mortar is filled out in space, finally select suitable finger stone to put into wherein according to each seam shape and size, and touch with hand hammer, stone is all clamp-oned in gap.Forbid first putting finger stone post-grouting.
When connecing the block second layer and above block of stone, first complete mortar before often building one block of block stone, mortar need not be paved with, and also need not be taped against limit, and especially at keratite and stone place, face, mortar is about 4-5cm from outside.Mortar can spread slightly thicker, when stone is up built, should ensure that mortar can be pressed onto the thickness of requirement, ensures that mortar is just paved with whole mortar joint again.Gray seam thickness is preferably 20-30mm, and mortar should be full.
When building stepped footing, the stone of higher level's ladder at least Ya Qi subordinate ladder 1/2, the mutual fissure of displacement overlap joint of rubble of adjacent steps.The most last layer stone on this basis should select larger free stone masonry, and first floor and corner, junction, hole place should select larger flat free stone masonry.
Build when having high low platform basic, from lower is built, and by plateau to low overlap joint, lap length is not less than step height overall, and the corner of rubble-mound foundation and junction should have been built simultaneously.If can not build by laying bricks or stones simultaneously, and when must stay again raft, oblique raft should be built into.
In this step, by mortar and block stone interlayer being laid, slurry is sat in substrate, stone faces down greatly, is built into oblique raft, and make building wall more firmly attractive in appearance, mortar is full, and corner angle are clearly demarcated, smooth vertical and horizontal.
Seven, backfill filled out by rammer
Vertical rammer manual zoning is adopted to backfill backfill and tamp, the thickness of every layer of backfill is 20cm, staged and layered backfill junction fills into stairstepping and every layer of mutual overlap joint, lap length is no less than 2m, levels fissure of displacement distance is no less than 1m, embankment all completes rear surface, and to carry out bracing wire levelling, and all places being above standard height should be evened out according to line in time, and native levelling compacting should be mended in all places lower than calibrated altitude.
In this step, by being backfilling and compacted thickness, embankment is levelling, ensure that backfill is closely knit and settlement observation stable.
As can be seen here, barricade building construction engineering method of the present invention not only difficulty of construction and Survey control required precision reduces, and working procedure is more simple, and meanwhile, it also has following features:
1, Retaining wall (the use antislide pile that construction is in the past only simple and the barricade of this engineering method steady soil different from the past and rock stratum, fundamentally cannot solve the sideslip of sliding mass), it is the scheme of an employing comprehensive regulation, the measures such as catchwater, planting technique, block stone barricade, sluicing are arranged combine, thus fundamentally solve the sideslip problem of sliding mass.
2, by layout and the sandstone loaded filter THICKNESS CONTROL of the slope ratio control of high slope barricade, the control of large curved measurement essence, settlement observation control, spilled water hole, effectively prevent the sideslip of sliding mass.
Barricade building construction engineering method of the present invention is applicable to the massif preventive works under complex geological condition, such as: the massif preventive works of easily cause uneven settlement of foundation, be rich in water, easily the infiltrate geological disasters such as toe, easily induced landslide.Massif had both comprised rock mass (lithology is sandstone, packsand, siltstone folder coal seam, and intensity is lower), also comprised the soil body (primarily of rushing the proluvial soil body and residual soil slope body composition, uneven, loose, press from both sides flour sand or fine sand thin layer).
Case history:
Shaanxi Province Tongchuan City is done during barricade that complex building etc. relates to landslide of high slope section is built by laying bricks or stones all employ engineering method of the present invention according to a live in peace road, Xi'an pipe of the service and great achievement road transformation section of golden red tourism name town project, Xi'an.Wherein:
Hillside, side, the service and great achievement north of a road is a Regressive method, and landslide leading edge width is about 230.0m, and be about 180.0m, main sliding direction 170 ° along main sliding direction, gliding mass maximum gauge is about 13.0m, and volume is 8.7 × 104m3 about, is a medium-sized landslide o earth slope.Slide plane form top is steep, ease up in middle and lower part, and the gradient about about 60 ° is totally semicircular arc.
New landslide is positioned at the leading edge central area of Regressive method, and because road construction excavation causes landslide to be slided, landslide lengthwise is about 50m, landslide leading edge width is about 60m, main sliding direction 225 °, and gliding mass maximum gauge is about 13.0m, volume is 1.5 × 104m3 about, is a medium-sized landslide o earth slope.Domatic more slow, the gradient about about 58 °, totally in arc-shaped.
This landslide is in creep deformation stage at present, does not also form the wall that obviously comes down.Under long-term rainfall or other factors impact, the possibility of landslide failure is large, dangerous large.
The barricade utilizing engineering method of the present invention to carry out the large curve of high slope to service and great achievement road Landslide Section is built by laying bricks or stones, catchwater rebuilding construction, makes the landslide of this section of massif be reduced to dangerous little grade by the original large grade of causing danger property of geological disaster.
Verify through multiple case history: construction of the present invention not only ensure that construction quality, and shorten the whole road construction duration, also greatly saved construction cost simultaneously, obtained fabulous economic benefit and social benefit.
Construction of the present invention makes comprehensive harnessing of landslide body under the special geological structure such as mud sandstone, sandstone achieve breakthrough achievement, and the construction for the barricade masonry project of similar extra-high, super large curve provides valuable experience.
It should be noted that, above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (8)
1. a high slope large curvy wall building construction engineering method, is characterized in that, comprise the following steps:
(1) preparation of construction: draw bench crest coordinate, bench toe coordinate before site operation in CAD plan, with total powerstation by stake setting-out bench crest, at the scene round and smooth for put bench crest is linked up, calculate the upright projection distance between top to road axis, slope according to the width gauge on maximum layer platform bank protection top, above calculating distance is maximum layer Po Ding slope, each pile No. position hanging wire point; Top, each pile No. top barricade slope excavation line is obtained after connecting top, slope hanging wire point;
(2) excavate foundation trench: according to the bench toe coordinate in CAD plan by stake setting-out bench toe, guarantee that brush slope puts in place, retaining wall excavation of foundation pit enters rock stratum 0.5m or enters steady soil 1.5m;
(3) substrate is tamped: after retaining wall excavation of foundation pit, the leveling compacting of the end, hole, retaining wall establishes one shrinkage joint or settlement joint every 10m, stitch wide 2-3cm, sand asphalt plate stuff up a crack, arrange the PVC spilled water hole that diameter is 110mm in body of wall, horizontal, the vertical spacing of spilled water hole is 2-3m, and all retaining walls behind interior dank material that adopts of 40-50cm wide region are backfilling and compacted;
(4) basis is built by laying bricks or stones: release basic axis and sideline and to have existed side by side basic marked rod, marked rod is indicated and moves back platform and layering stone-laying height, between marked rod, pull on directrix, then the vertical line of stepped footing and sleeping line is determined, stone masonry foundation of wall adopts staggered block method, and build by the layering of stone shape hanging wire is sleeping, large of first floor stone, smooth faces down, the mutual fissure of displacement of upper and lower stone, inside and outside overlap joint, pendulum paving is stable, layering bond, mortar joint is 20-30mm, and paving slurry thickness is 40-60 ㎜;
(5) backfill foundation ditch: basis has been built rear employing sand gravel or coarse sand back-filling in layers by laying bricks or stones and tamped, every layer of backfill thickness≤20cm, simultaneously pre-buried spilled water hole, spilled water hole layout is blossom type, every pitch of holes 2m;
(6) masonry wall body: wall body adopts M7.5 cement bonded sand cemented rock, mortar and block stone interlayer are laid, the every layer thickness≤30cm of block stone, and wall body surface adopts M10 pointing with cement mortar,
The laterally three excretion water holes of arbitrary neighborhood adopt Φ 10 circular hole up and down in quincunx interlaced arrangement, cemented rock barricade bottom a drain water pitch-row ground level >=300mm, Spacing of Drain 2.5m, gutter stretches out wall and partly builds 45° angle outward, drainage grade is 10%
When building first floor stone, slurry is sat in substrate, and stone faces down greatly, builds keratite, face stone successively, fills out abdomen stone, then fill out in space by mortar,
When connecing the block second layer and above stone, first complete mortar before often building one block of stone, when stone is up built, mortar be pressed onto the thickness of requirement and be paved with whole mortar joint, gray seam thickness is 20-30mm,
When building stepped footing, the stone of higher level's ladder at least Ya Qi subordinate ladder 1/2, the mutual fissure of displacement overlap joint of rubble of adjacent steps,
Build when having high low platform basic, from lower is built, and by plateau to low overlap joint, lap length is not less than step height overall, and the corner of rubble-mound foundation and junction have been built simultaneously or be built into oblique raft;
(7) backfill filled out by rammer: back-filling in layers backfill is also tamped, the thickness of every layer of backfill is 20cm, staged and layered backfill junction fills into stairstepping and every layer of mutual overlap joint, lap length is no less than 2m, levels fissure of displacement distance is no less than 1m, and embankment all completes rear surface, and to carry out bracing wire levelling.
2. high slope according to claim 1 large curvy wall building construction engineering method, is characterized in that, during winter construction, also comprises the curing step of barricade:
First adopt plastic sheeting to be wrapped up by masonry, then cover with composite cotton fabric felt, the corner steel bar column of composite cotton fabric felt is fixed, and the barricade of the bottom adopts earthing covering curing.
3. high slope according to claim 2 large curvy wall building construction engineering method, is characterized in that, when winter, mortar was built by laying bricks or stones, is added with the antifreezing agent of 4-5% in cement.
4. high slope according to claim 3 large curvy wall building construction engineering method, it is characterized in that, when winter, mortar was built by laying bricks or stones, hot water injection's mixer is first used before stirring, then in mixer, sand, stone and hot water stirs 1min is added, add cement and antifreezing agent again and stir 3min, concrete out-of-machine temperature >=15 DEG C, molding temperature >=10 DEG C.
5. high slope according to claim 1 large curvy wall building construction engineering method, is characterized in that, during rainy day construction, builds by laying bricks or stones and does not stay constuction joint.
6. high slope according to claim 1 large curvy wall building construction engineering method, it is characterized in that, compressive strength is selected to build by laying bricks or stones at more than 30Mpa, larger stone, described stone is square and without obvious cutting edge of a knife or a sword rib salient angle, end face and bottom surface smooth, thickness is not less than 20cm, width and length and is not less than thickness.
7. high slope according to claim 1 large curvy wall building construction engineering method, is characterized in that, for the spilled water hole on soil-slope, within the scope of the 0.5m × 0.5m at spilled water hole rear, arranges loaded filter.
8. high slope according to claim 7 large curvy wall building construction engineering method, is characterized in that, described loaded filter selects the sandstone material layering landfill of even particle size, thickness 15cm, adjacent particle diameter ratio is not less than 1:4, and sand material particle is less than 0.15mm, and mud content is not more than 5%.
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| CN104863176A (en) * | 2015-06-10 | 2015-08-26 | 上海煤气第二管线工程有限公司 | Natural gas pipeline engineering retaining wall and construction method thereof |
| CN108547306A (en) * | 2018-03-12 | 2018-09-18 | 江苏建筑职业技术学院 | A kind of building waste block stone does the construction method of bank protection |
| CN110284432B (en) * | 2019-06-04 | 2021-06-08 | 中交路桥建设有限公司 | Construction method for filling bridge abutment in high-fill area after first construction |
| CN112695799A (en) * | 2020-12-25 | 2021-04-23 | 中铁八局集团建筑工程有限公司 | High-altitude area grouted rubble retaining wall structure and construction method |
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| JP2004076295A (en) * | 2002-08-12 | 2004-03-11 | Kei:Kk | Block for retaining wall and retaining wall construction method |
| CN103352477A (en) * | 2013-07-12 | 2013-10-16 | 青岛理工大学 | Vertical pres-stressed anchor rod gravity-type composite retaining wall and method for designing and constructing retaining wall |
| CN203320549U (en) * | 2013-06-25 | 2013-12-04 | 北京金港场道工程建设股份有限公司 | Reinforced gabion retaining wall of high slope in airport engineering |
| CN103603370A (en) * | 2013-12-07 | 2014-02-26 | 黄靓 | Spatial crossed and embedded ecological building block retaining wall and construction method thereof |
-
2014
- 2014-09-25 CN CN201410498256.XA patent/CN104328797B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030097084A (en) * | 2002-06-19 | 2003-12-31 | 이윤주 | Construction Method of Reinforced Earth Retaining-Wall for using Anchoring |
| JP2004076295A (en) * | 2002-08-12 | 2004-03-11 | Kei:Kk | Block for retaining wall and retaining wall construction method |
| CN203320549U (en) * | 2013-06-25 | 2013-12-04 | 北京金港场道工程建设股份有限公司 | Reinforced gabion retaining wall of high slope in airport engineering |
| CN103352477A (en) * | 2013-07-12 | 2013-10-16 | 青岛理工大学 | Vertical pres-stressed anchor rod gravity-type composite retaining wall and method for designing and constructing retaining wall |
| CN103603370A (en) * | 2013-12-07 | 2014-02-26 | 黄靓 | Spatial crossed and embedded ecological building block retaining wall and construction method thereof |
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