CN109826227A - A kind of preparation method and its retaining wall of the bilateral slope mortar flag stone retaining wall of high mountain - Google Patents
A kind of preparation method and its retaining wall of the bilateral slope mortar flag stone retaining wall of high mountain Download PDFInfo
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Abstract
The present invention provides the preparation method and its retaining wall of a kind of bilateral slope mortar flag stone retaining wall of high mountain, is related to slope earth-retaining wall technical field, the safe retaining wall of the economizing type for establishing ecological construction.Wherein, the preparation method of the bilateral slope mortar flag stone retaining wall of the high mountain includes: to remove the surface weathering of two sides hillside, soft native stone；Retaining wall is built on two sides hillside, wherein, the foundation pit of the retaining wall is built using step, the step of the foundation pit and the wall of the retaining wall are structure as a whole, the wall is built using the mortar flag stone layering fissure of displacement, back-filling in layers is carried out to the foundation pit and is tamped, and on the slope of the substrate of the retaining wall reserved 3%.The preparation method of above-mentioned high mountain side slope mortar flag stone retaining wall is suitable for retaining wall.
Description
[technical field]
The present invention relates to slope earth-retaining wall technical field more particularly to a kind of systems of the bilateral slope mortar flag stone retaining wall of high mountain
Preparation Method and its retaining wall.
[background technique]
Retaining wall is that prevention and treatment hillside soil stone body collapses, and one of reinforcing road bed key construction form is widely used for
In the engineerings such as water conservancy, railway, highway and mine.In recent years, with the development of China's infrastructural project, special slope project
Gradually increase, the diversification of forms of hillside slopes retaining wall.
But it is limited by construction work condition and site condition, often there is certain constraint, especially slopes are related in mountain area
The special geologic conditions such as deep soft soil, superficial water, not only stability is poor, and will cause water body loss.In the prior art,
The retaining wall that Retaining Wall Engineering high material consumption, foundation bearing require height, and build on Under Steep Rock Slope exists certain
Security risk.
How construction volume is being reduced, reducing late maintaining work, the safe retaining wall of economizing type for establishing ecological construction is this
Field technical problem urgently to be resolved.
[summary of the invention]
In view of this, the embodiment of the invention provides a kind of preparation method of the bilateral slope mortar flag stone retaining wall of high mountain and its
Retaining wall, the safe retaining wall of economizing type for establishing ecological construction.
One aspect of the present invention provides a kind of preparation method of bilateral slope mortar flag stone retaining wall of high mountain, which grouts
The preparation method of slabstone retaining wall includes:
Remove the surface weathering of two sides hillside, soft native stone；
Retaining wall is built on two sides hillside, wherein the foundation pit of the retaining wall is built using step, the platform of the foundation pit
Rank and the wall of the retaining wall are structure as a whole, and build the wall using the mortar flag stone layering fissure of displacement, to the foundation pit into
Row back-filling in layers is simultaneously tamped, and on the slope of the substrate of the retaining wall reserved 3%.
Optionally, the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain further include:
Gap between the wall and step wall is filled up with mortar；
The angle of the toe of wall turning point of the substrate and the retaining wall is α, wherein α ≠ 90 °；
The compactness of backfill at the toe of wall is more than or equal to 93%.
Optionally, the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain further include:
Building height every time is 1 meter；
When the wall mortar strength is greater than 70%, masonry next time is carried out.
Optionally, the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain further include:
Drain hole is set in the wall；
When the height of the wall is more than or equal to 4 meters, two rows of drain holes are set；
When the height of the wall is less than 4 meters, one excretion water hole of setting；
Spacing between the two neighboring drain hole is less than 2 meters.
It optionally, is 300mm in the water inlet bottom laying length and width of the drain hole, and with a thickness of 200mm
Clay or mortar；
Using the center of the drain hole as the center of circle, cobble or rubble are filled in 50cm radius, and native with two layers
Craft cloth is covered.
Optionally, the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain further include:
Metope, wall back and the wall top of the retaining wall clog pitch plank, and filling depth is more than or equal to 20cm.
Optionally, when soil property substrate, laying depth is the blotter of 200mm on the substrate；
When collapsibility soil property substrate, the substrate is arranged under collapsibility soil property.
Optionally, the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain further include:
On extending direction along the retaining wall, every 10 to 15 meters, subsiding crack and expansion joint, the subsiding crack are set
Slit width with the expansion joint is 2 to 3cm, including endpoint value.
Optionally, internal friction angle Φ >=35 ° of the retaining wall.
Another aspect of the present invention also provides a kind of retaining wall, and it is double that the retaining wall is suitable for the high mountain as described in previous aspect
Prepared by the preparation method of side slope mortar flag stone retaining wall.
Any technical solution in above-mentioned technical proposal has the following beneficial effects:
In the embodiment of the present invention, it is being suitable for building retaining wall in the high mountain side slope for building skiing racing track, on the one hand can playing
Protect the purpose of racing track.On the other hand, the retaining wall in the present embodiment is built upon on the high hillside in two sides in mountain valley, can be in early period
It is used as storage reservoir, provides water source for subsequent engineering, reduce engineering cost.In the building course of retaining wall, it can build
When basic, the native stone for excavating ground can be backfilled, and efficiently use engineering barren rock, reduce construction cost, improve utilization of resources rate.
Also, the retaining wall of dry mountain side slope is set, can prevent roadbed side slope or base from sliding, it is ensured that subgrade stability, while can receive
Contract the slope foot that bankets, and reduces quantity of banketing.It is alternatively arranged as the aileron of storage reservoir, the water source in storage reservoir is avoided to permeate to massif.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without any creative labor, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of frame of the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain provided by the embodiment of the present invention
Figure；
Fig. 2 is a kind of structural schematic diagram of the bilateral slope mortar flag stone retaining wall of high mountain provided by the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of the bilateral slope mortar flag stone retaining wall of high mountain provided by the embodiment of the present invention.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It should be noted that the nouns of locality such as "upper", "lower" described in the embodiment of the present invention, "left", "right" are with attached drawing
Shown in angle come what is be described, should not be construed as the restriction to the embodiment of the present invention.Furthermore within a context, it is also necessary to manage
Solution can not only be formed directly into another when mentioning an element and being formed on "above" or "below" another element
Perhaps "lower" can also be indirectly formed by intermediary element in another element "upper" or "lower" for a element "upper".
Before the detailed technical solution for illustrating the present embodiment, the technical term and its technologies that be related to the present embodiment
Train of thought is simply introduced:
Retaining wall refers to bearing Roadbed Soil or the hillside soil body, prevents from banketing or the structure of soil deformation unstability.It is common
Retaining wall on tunnel face, open cut tunnel mouth, bridge both ends or hillside is set, protective action is played.In retaining wall cross section,
It is known as wall back with the position directly contacted by the bearing soil body, carries on the back position that is opposite, facing sky with wall and be known as metope.It is direct with ground
The position of contact is known as substrate, and opposite with substrate, wall top surface is known as wall top, and the front end of substrate is known as toe of wall, after substrate
End is known as wall heel.
When building alpine skiing place, since section is special, need to carry out ski trail certain protection, still, by
In the characteristic of landform, mountain area slopes are related to the special geologic conditions such as deep soft soil, superficial water, and not only stability is poor, and
It will cause water body loss, traditional Retaining Wall Engineering high material consumption, foundation bearing require height, and build in Under Steep Rock Slope
There are technical difficulty and security risk.
Therefore, how alpine skiing place build it is safe, convenient for safeguarding and reduce building waste discharge retaining wall, be
The technological difficulties of this field.
In order to solve the above-mentioned technical problem, inventor devises following technical solution:
The present embodiment provides a kind of preparation methods of the bilateral slope mortar flag stone retaining wall of high mountain, as shown in Figure 1 to Figure 3,
In, Fig. 1 is a kind of block diagram that the preparation method of mountain side slope mortar flag stone retaining wall is done provided by the embodiment of the present invention, and Fig. 2 is
A kind of structural schematic diagram of the bilateral slope mortar flag stone retaining wall of high mountain provided by the embodiment of the present invention, Fig. 3 are that the present invention is implemented
A kind of structural schematic diagram of the bilateral slope mortar flag stone retaining wall of high mountain provided by example, as shown in Figures 2 and 3, retaining wall includes
Basis 1, basic wall top 2, slope surface 3, cruciform bracing 4, slope greening 5, top beam 6, water blocking twist 7 and platform 8.Wherein, the high mountain side
The preparation method of slope mortar flag stone retaining wall includes:
S101, the surface weathering of two sides hillside, soft native stone are removed.
It avoids surface weathering, soft native stone from becoming the unstable factor of subsequent construction retaining wall, guarantees the peace of retaining wall
Complete secured performance.
Need to build basis before retaining wall construction, the basis is it is understood that retaining wall transmits load to ground
Substructure is known as basis, that is, is present in the under ground portion of building.Therefore, retaining wall basis must it is firm, stablize and
Reliably.
It should be pointed out that should be dug in foundation pit when rainy season builds basis in soil property or easy-weathering weak rock foundation pit
Bottom is cheated in closing in time afterwards.When substrate is equipped with intilted stable horizontal slope, temporary drainage measure should be taken, is aided with necessary seat slurry
Peace builds basis afterwards, to guarantee the stabilization that is built on the rock.
Further, when the substrate of retaining wall is soil property, it is laid with the blotter with a thickness of 200mm in substrate, may be used also
It carries out heavy ramming or changes to fill out processing, guarantee that substrate has enough bearing capacities with this.
Still further, when collapsibility soil property substrate, substrate is arranged under collapsibility soil property.
When retaining wall is collapsibility soil property, basis need to penetrate collapsibility soil layer, guarantee that substrate has enough bearing capacities.
S103, retaining wall is built on two sides hillside, wherein the foundation pit of retaining wall is built using step, the step of foundation pit
It is structure as a whole with the wall of retaining wall, builds wall using the mortar flag stone layering fissure of displacement, back-filling in layers is carried out to foundation pit and is rammed
It is real, and on the slope of the substrate of retaining wall reserved 3%.
The present embodiment can be used step and build basis, and step should connect together with wall and build simultaneously, substrate and toe of wall
Step turning point must not be built into vertical straight joint, and the gap mortar between masonry and step wall is answered full.Also, in building process,
It needs back-filling in layers and tamps, and reserve 3% slope, benefit draining on surface.It should be pointed out that when substrate longitudinal direction ratio of slope is big
When 5%, step depth-width ratio is not more than 1:2, guarantees the stability on basis.
When using sitting slurry processes layering fissure of displacement masonry retaining wall, block should be put down by building slabstone, and every layer of building stones height is answered substantially uniform.Outside
Home row and veneer stone are enclosed, for Ying Ding along alternate or two arrange along a fourth, centre must not be mingled with the sundries such as soil block, branch.Puzzle joint
Width is not more than 30mm, and upper and lower level perps is staggered distance not less than 80mm.Masonry inner layer flush joint width should not exceed 30mm, perps
Width should not exceed 40mm, should not exceed 50mm when being built with micro aggregate concrete.When its jointing grouts relatively regular bulk, adopt
With natural seam, jointing mortar strength is not lower than bonding mortar strength, and general subject's engineering is not less than M10 cement mortar.Slabstone
Strength grade is not less than MU30, and without weathering, flawless, middle part minimum thickness is not less than 200mm.To guarantee retaining wall
Intensity and fastness.
The present embodiment interlocks, inside and outside overlap joint, slabstone panelling, building stones layering masonry, therefore can up and down when building wall
Guarantee that wall meets the requirement of intensity, stability and globality.Also, cement mortar ratio is accurate, homogenous consistency, full, entire wall
As integral structure, inside and outside two layers of skin is avoided, has ensured the intensity of retaining wall.
Further, it within away from wall back 0.5 to 1.0m, should not be rolled with heavy vibration roller.Apart from wall carry on the back 5 meters with
It is interior, it is not easy to plant tall and big trees.The destruction to retaining wall substrate is avoided, guarantees the stability of retaining wall.
In the present embodiment, it is being suitable for building retaining wall in the high mountain side slope for building skiing racing track, is on the one hand preventing from coming down, rise
To the purpose of protection racing track.On the other hand, the retaining wall in the present embodiment is built upon on the high hillside in two sides in mountain valley, can be preceding
Phase uses as storage reservoir, provides water source for subsequent engineering, reduces engineering cost.In the building course of retaining wall, it can build
When building basis, the native stone for excavating ground can be backfilled, and efficiently use engineering barren rock, reduce construction cost, improve utilization of resources
Rate.
Also, the retaining wall of dry mountain side slope is set, can prevent roadbed side slope or base from sliding, it is ensured that subgrade stability,
The shrinkable slope foot that bankets simultaneously reduces quantity of banketing.It is alternatively arranged as the aileron of storage reservoir, avoids water source in storage reservoir to massif
Infiltration.
In one embodiment, the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain further include:
Gap between wall and step wall is filled up with mortar, and the angle of the toe of wall turning point of substrate and retaining wall is
α, wherein the compactness of α ≠ 90 °, the backfill at toe of wall is more than or equal to 93%.
It bears at toe of wall compared with huge pressing stress, is the key position of retaining wall, shadow ensures that mortar is full when masonry, and stone is mutual
It digs embedding integral.Front toe backfill need to be inclined outwardly 3% gradient.Also, backfill must be compacted, and compactness is not less than
93%, and then guarantee the endurance of toe of wall, and then guarantee the fastness of retaining wall.
In one embodiment, the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain further include:
Every time build height be 1 meter, and wall mortar strength be greater than 70% when, carry out masonry next time.The present embodiment
Guarantee the intensity of mortar, and then guarantees the intensity of retaining wall.
In one embodiment, the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain further include:
Drain hole is set in wall.Specifically, two rows of drain holes are arranged when the height of wall is more than or equal to 4 meters；
When the height of wall is less than 4 meters, one excretion water hole of setting, also, the spacing between two neighboring drain hole is less than 2 meters.This reality
On the one hand silt can be discharged by applying the drain hole in example, it is ensured that draining is unimpeded, guarantees that wall carries on the back anti-filter, antiseepage, is effectively facilitated engineering
Progress；On the other hand also water storage can be carried out by the guidance of drain hole, provide water source for successive projects, saves and use
Water reduces engineering cost.
In the present embodiment, it is embedded that outer diameter 100mm polyvinyl chloride pipe can be used in drain hole, and the inwardly gradient 5%, slope appropriate
It spends and can avoid pipeline silting, conducive to the progress of engineering.
It further, is 300mm in the water inlet bottom laying length and width of drain hole, and with a thickness of 200mm's
Clay or mortar.Clay or mortar in the present embodiment can be used as water barrier, which can effectively separate intrusion earth-retaining
The capillary water of wall avoids its erosion to retaining wall.
It is still further, using the center of drain hole as the center of circle, cobble or rubble are filled in 50cm radius, and
It is covered with two layers of earth process cloth.In the center of the water inlet of drain hole, the coarse granule material with reverse filter effect is filled
Material can avoid silting up for sluicing duct, guarantee going on smoothly for engineering.
In one embodiment, the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain further include:
Metope, wall back and the wall top of retaining wall clog pitch plank, and filling depth is more than or equal to 20cm.Filling drip
Green plank guarantees the fastness of retaining wall as reinforcing.
Pitching plank is clogged on inside and outside, three sides of top in seam along wall, is filled in depth and is not preferably less than 20cm.
Optionally, the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain further include:
Along on the extending direction of retaining wall, every 10 to 15 meters, subsiding crack and expansion joint, subsiding crack and expansion joint are set
Slit width be 2 to 3cm, including endpoint value.
In the present embodiment, every 10 to 15 meters along retaining wall, also, be arranged at retaining wall height variation subsiding crack and
Expansion joint, slit width 2 to 3cm accomplish substrate from wall top.In addition, expansion joint should be vertical, concordant with the two sidewalls of subsiding crack, nothing is taken
It is folded.
In one embodiment, internal friction angle Φ >=35 ° of retaining wall.
Gravel should be backfilled as loaded filter, internal friction angle Φ >=35 °, and compaction in layers within the scope of 1 meter of wall behind；Its remaining part
The equivalent friction angle of the backfilling material of position is not less than 35 °.Wall carries on the back every layer of backfill maximum loose laying depth no more than 50cm.
Another aspect of the present invention also provides a kind of retaining wall, continues to participate in Fig. 2 and Fig. 3, retaining wall is suitable for by previous side
Face the bilateral slope mortar flag stone retaining wall of high mountain preparation method prepared by.
In the embodiment of the present invention, it is being suitable for building retaining wall in the high mountain side slope for building skiing racing track, on the one hand can playing
Protect the purpose of racing track.On the other hand, the retaining wall in the present embodiment is built upon on the high hillside in two sides in mountain valley, can be in early period
It is used as storage reservoir, provides water source for subsequent engineering, reduce engineering cost.In the building course of retaining wall, it can build
When basic, the native stone for excavating ground can be backfilled, and efficiently use engineering barren rock, reduce construction cost, improve utilization of resources rate.
Also, the retaining wall of dry mountain side slope is set, can prevent roadbed side slope or base from sliding, it is ensured that subgrade stability, while can receive
Contract the slope foot that bankets, and reduces quantity of banketing.It is alternatively arranged as the aileron of storage reservoir, the water source in storage reservoir is avoided to permeate to massif.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of preparation method of the bilateral slope mortar flag stone retaining wall of high mountain, which is characterized in that the preparation method includes:
Remove the surface weathering of two sides hillside, soft native stone；
Two sides hillside build retaining wall, wherein the foundation pit of the retaining wall using step build, the step of the foundation pit and
The wall of the retaining wall is structure as a whole, and builds the wall using the mortar flag stone layering fissure of displacement, divides the foundation pit
Layer is backfilled and is tamped, and on the slope of the substrate of the retaining wall reserved 3%.
2. the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain according to claim 1, which is characterized in that also wrap
It includes:
Gap between the wall and step wall is filled up with mortar；
The angle of the toe of wall turning point of the substrate and the retaining wall is α, wherein α ≠ 90 °；
The compactness of backfill at the toe of wall is more than or equal to 93%.
3. the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain according to claim 1, which is characterized in that also wrap
It includes:
Building height every time is 1 meter；
When the wall mortar strength is greater than 70%, masonry next time is carried out.
4. the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain according to claim 1, which is characterized in that also wrap
It includes:
Drain hole is set in the wall；
When the height of the wall is more than or equal to 4 meters, two rows of drain holes are set；
When the height of the wall is less than 4 meters, one excretion water hole of setting；
Spacing between the two neighboring drain hole is less than 2 meters.
5. the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain according to claim 4, which is characterized in that
It is 300mm in the water inlet bottom laying length and width of the drain hole, and with a thickness of the clay or sand of 200mm
Slurry；
Using the center of the drain hole as the center of circle, cobble or rubble are filled in 50cm radius, and with two layers of earth process
Cloth is covered.
6. the preparation method that slabstone retaining wall is built on the bilateral slope of high mountain according to claim 1, which is characterized in that further include:
Metope, wall back and the wall top of the retaining wall clog pitch plank, and filling depth is more than or equal to 20cm.
7. the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain according to claim 1, which is characterized in that
When soil property substrate, laying depth is the blotter of 200mm on the substrate；
When collapsibility soil property substrate, the substrate is arranged under collapsibility soil property.
8. the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain according to claim 1, which is characterized in that also wrap
It includes:
On extending direction along the retaining wall, every 10 to 15 meters, subsiding crack and expansion joint, the subsiding crack and institute are set
The slit width for stating expansion joint is 2 to 3cm, including endpoint value.
9. the preparation method of the bilateral slope mortar flag stone retaining wall of high mountain according to claim 1, which is characterized in that
Internal friction angle Φ >=35 ° of the retaining wall.
10. a kind of retaining wall, which is characterized in that the retaining wall is suitable for described in any item high by the claims 1 to 9
Prepared by the preparation method of the bilateral slope mortar flag stone retaining wall in mountain.
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| CN201910004220.4A CN109826227A (en) | 2019-01-03 | 2019-01-03 | A kind of preparation method and its retaining wall of the bilateral slope mortar flag stone retaining wall of high mountain |
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| CN112431220A (en) * | 2020-11-12 | 2021-03-02 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Retaining wall using waste concrete sleeper and construction method thereof |
| CN113445521A (en) * | 2021-08-14 | 2021-09-28 | 厦门中建东北设计院有限公司 | High slope construction method by filling soil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112431220A (en) * | 2020-11-12 | 2021-03-02 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Retaining wall using waste concrete sleeper and construction method thereof |
| CN112431220B (en) * | 2020-11-12 | 2022-06-10 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Retaining wall using waste concrete sleeper and construction method thereof |
| CN113445521A (en) * | 2021-08-14 | 2021-09-28 | 厦门中建东北设计院有限公司 | High slope construction method by filling soil |
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Application publication date: 20190531 |