CN208981352U - A kind of fence net composite structure with prevention and treatment and early warning karst collapse - Google Patents
A kind of fence net composite structure with prevention and treatment and early warning karst collapse Download PDFInfo
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- CN208981352U CN208981352U CN201821482219.XU CN201821482219U CN208981352U CN 208981352 U CN208981352 U CN 208981352U CN 201821482219 U CN201821482219 U CN 201821482219U CN 208981352 U CN208981352 U CN 208981352U
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Abstract
The fence net composite structure with prevention and treatment and early warning karst collapse that the utility model discloses a kind of, including box-structure barricade (1), synthetic material net (2) and prewarning unit (3), the box-structure barricade (1) is several, the filler connecting with the box-structure barricade of two sides is equipped between two be oppositely arranged the box-structure barricade (1), the both ends of synthetic material net (2) are respectively arranged within two be oppositely arranged the box-structure barricade (1) and are embedded in the filler, synthetic material net (2), filler and box-structure barricade (1) are formed together force structure, prewarning unit (3) includes at the top of the synthetic material net (2) for synchronizing the gauze and alarm structure of synthetic material net (2) deformation.The utility model plays the prevention and treatment and early warning to karst collapse while reducing cost.
Description
Technical field
The utility model belongs to karst prevention and treatment and early warning technology field, has prevention and treatment and early warning more particularly, to one kind
The fence net composite structure of karst collapse.
Background technique
About 1,300,000 km2 of China's carbonate rock distribution area, with Guangxi, Guangdong, Yunnan, Guizhou, Sichuan, Hubei, lake
South limestone distribution concentrate and it is extensive, area accounts for about the half of national distribution area.Karst collapse (karst breakdown
Survey) refer to the soil cave in the solution cavity or upper overburden layer in karst area, the solvable rock stratum in lower part, because itself hole body expand or
Under the influence of Nature and Man is factor, top plate unstability generates the general designation of slump or depression.By solution cavity, the covering soil body, water (gas) institute
The combined system of composition easily forms soil cave even surface subsidence in the case where Nature and Man is factor effect, threatens earth's surface railway, public affairs
Road, building etc. and relevant personnel, vehicle safety.In addition, the generation of karst collapse and formation lithology, geologic structure,
Be lauched, the factors such as coating, karst development degree it is associated, spatially tool is uncertain, have in time it is sudden,
The features such as unpredictability, difficulty is much greater for it carries out survey Evaluation, prediction compares other geological disasters.But
Be karst collapse disastrous consequence be often it is extremely serious, China once repeatedly occurred causing to cut off traffic or fall-back,
The accidents such as casualties, damaged vehicle.
Karst collapse category bad geological phenomenon, in China, main Project Renovation measure is primarily directed to collapsing the three of development
Element (karst cave gap, the soil body, water) combines karst development degree, the variation of underground water and dynamic characteristic, overlying soil engineering more
The researchs such as characteristic, scar softening earthy state divide different sections, and subregion studies Reinforcing Schemes.Most commonly seen engineering adds
Solid method can divide following a few classes: first is that there is removing to cram method, mainly for the shallower solution cavity of known buried depth, and using excavating top plate,
The materials such as slabstone are backfilled, hidden dangers in project is eliminated.Two are across method, primarily directed to known small-scale solution cavity, using beam, hardened
Structure is crossed over.Third is that deep foundation method, passes through coating and the solution cavity that underlies using pile foundation, pile slab structure, the hardened structure of raft etc..Fourth is that
Perfusion, during engineering practice, grouting and reinforcing is most commonly seen, main to use grouting filling solution cavity in drilling combined hole and split
Gap.The selection of each control method wants the origin cause of formation collapsed in combined area, cause to collapse mode and Dominated Factors to carry out, it is ensured that prevention and treatment work
The effect of work.In industries such as China railways, highways, karst intense development area, medium development area generally use above method progress
Consolidation process.But for the area weak to faint karst Fa Rong whether consolidation process, always be in contested status.In existing engineering
Under management mode for construction, when investing loose, the area weak karst Fa Rong often uses the Reinforcement Measures such as slip casting, wherein may make
At investment waste be surprising.It is investment of examining and making cuts often by the slip casting etc. of weak karsts developing area section when control of investment anxiety
Reinforcement Measures are cancelled without exception, and karst collapse risk is caused to increase.
The weak development section of karst is mainly reinforced using slip casting method at present, slip casting be current punishment karst collapse it is most effective also
It is most important engineering method and means.Scene mostly uses spy to fill and combines working procedure, and inlet well is spaced about 5m, finds molten
It is appropriate to encrypt slip casting pitch of holes when hole, soil cave or karsts developing area；Injecting paste material is based on cement slurry, ratio of mud 1:1, slurries
Two fluid grouting is used when being lost serious；Single hole grouting amount general control is in 10m3Within.The prior art is main in engineer application
There are following problems:
(1) prevention and cure project cost is generally up to 400~500 yuan/m2, obviously inclined for weak karsts developing area section expense
Height, there are the wastes of biggish engineering；
(2) Karst grouting generally uses the methods of physical prospecting comparative test, water filling comparative test detection, detection means to exist
Poor reliability, quality and effect are difficult to control；
(3) work progress is complicated and very long, and monitoring can not accomplish no dead angle, and grouting quality difference has become engineering circles and deposits for a long time
And the problem that can not thoroughly solve；
(4) karst collapse is without warning function, when it is not in place due to construction quality and when the operation phase there is karst collapse, ground
The safety of table structure object and adjunct, personnel not can guarantee still；
Therefore it is directed to the area weak karst Fa Rong, utility model is a kind of effective, can effectively renovate middle and small scale karst collapse, work
Journey control of investment is obvious and has the structure type of warning function, is necessary and significant.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of prevention and treatment of tool and early warning karst collapses
Sunken fence net composite structure, the class Reinforced Earth Retaining Structure that box structure and high-strength earth working material net and filler etc. collectively constitute,
It can be effective against soil pressure, guarantee that retaining wall monolithic stability, antiskid, antidumping etc. require, it is (straight that small-sized karst collapse can be undertaken
Diameter is less than 5m) bring deforms and horizontal force, simultaneously because the combination beam effect of high-strength earth working material net and filler, can effectively keep away
Exempt from it to develop upwards, it is disastrous to reduce its；Relative to engineering measures such as conventional grouting and reinforcings, project cost can reduce by 50% with
On, coherent detection standard and construction quality are more easily controlled；When deformation failure occurs in box-structure barricade, it is pre- disaster can also to be played
Alert effect has striven for the time and space for Hazard control.
To achieve the goals above, the utility model provides a kind of fence net combination knot with prevention and treatment and early warning karst collapse
Structure, including hollow box-structure barricade, synthetic material net and the prewarning unit in the box-structure barricade；
The box-structure barricade is linearly distributed several, two be oppositely arranged the box-structure barricade it
Between be equipped with the filler that connect with the box-structure barricade of two sides, the both ends of the synthetic material net, which are respectively arranged on, to be oppositely arranged
Two box-structure barricades within and be embedded in the filler, the synthetic material net, filler and box-structure gear
Wall is formed together force structure, to undertake the embankment load and the additional load that collapse on area；
The prewarning unit include alarm structure at the top of the synthetic material net for the synchronous synthesis material
Expect the gauze that net form becomes.
Further, the box-structure barricade includes the strip through-hole at the middle part on the inside of it, the strip through-hole
Middle part is equipped with the stringer that the strip through-hole is separated into top strip through-hole and bottom strip through-hole, and the synthetic material net is set
In on the top strip through-hole or bottom strip through-hole.
Further, the synthetic material net is one or two layers, and the both ends of one layer of the synthetic material net are set respectively
Another layer of the both ends in the top strip through-hole for the box-structure barricade being oppositely arranged, in two layers of the synthetic material net
It is respectively placed in the bottom strip through-hole for the box-structure barricade being oppositely arranged.
Further, the box-structure barricade further includes that the intermediate top plate for being equipped with preformed hole and the corresponding preformed hole are set
There is the bottom plate of mounting groove.
Further, the box-structure barricade further includes across the preformed hole and bottom is placed in the mounting groove
Panel.
Further, the top of the panel is equipped with the active window for observing the prewarning unit and synthetic material net.
Further, the side of the synthetic material net is equipped with connection antiskid structure.
Further, the connection antiskid structure is the packaging type structure that synthetic material net week side infolding is arranged in.
Further, the top of the filler is equipped with downward longitudinal slope from center to two sides.
In general, it can obtain down the above technical solutions conceived by the present invention are compared with the prior art,
Column the utility model has the advantages that
(1) the fence net composite structure of the utility model tool prevention and treatment and early warning karst collapse, box structure and high-strength geotechnological material
The class Reinforced Earth Retaining Structure that collectively constitutes of material net and filler etc., can be effective against soil pressure, guarantee retaining wall monolithic stability,
The requirement such as antiskid, antidumping can undertake small-sized karst collapse (diameter is less than 5m) bring deformation and horizontal force, simultaneously because high
The combination beam effect of strong earth working material net and filler can effectively avoid it and develop upwards, it is disastrous to reduce its；Relative to routine
The engineering measures such as grouting and reinforcing, project cost can reduce by 50% or more, and coherent detection standard and construction quality are more easily controlled；When
There is deformation failure in box-structure barricade, can also play the role of disaster alarm, has striven for the time and space for Hazard control.
(2) the fence net composite structure of the utility model tool prevention and treatment and early warning karst collapse, synthetic material net are single layer or double
Layer, according at karst the case where, are chosen, and improve the adaptability of fence net composite structure, the double-deck synthetic material net assistant reinforcement,
Further promote the strength and stability of whole force structure.
(3) the fence net composite structure of the utility model tool prevention and treatment and early warning karst collapse, the component of box-structure barricade are
Prefabricated components, the main component that the panel at back passes through mounting groove and box-structure barricade on the preformed hole and bottom plate on top plate
Dismountable connection, meet the development trend of modern architecture assembling, while being more advantageous to quality control, environmental protection etc..Scene peace
Filling the convenient and duration is more easily controlled, the environmental issue of the polluted underground waters such as no mud, cement slurry and environment.
(4) the fence net composite structure of the utility model tool prevention and treatment and early warning karst collapse, early warning system are set to box-shaped knot
At the top of structure, the influence of underground water can be reduced, the top of panel is equipped with active window, for observing prewarning unit and synthetic material net
Situation, convenient for real-time the case where grasping karst collapse.
Detailed description of the invention
Fig. 1 is the schematic diagram of the fence net composite structure of a kind of tool prevention and treatment of the utility model embodiment and early warning karst collapse；
Fig. 2 is the schematic diagram of box-structure barricade；
Fig. 3 is the face Fig. 2A-A cross-sectional view；
Fig. 4 is the side view of panel.
In all attached drawings, identical label indicates same structure or part, in which: 1- box-structure barricade, 2- synthesize material
Expect net, 3- prewarning unit, 4- gauze, 5- filler, 6- embankment engineering, 7- embankment side slope, 8- flexibility web frame, 901- karst collapse
Circumscribed embankment edge, 902- karst collapse are formed in the middle part of embankment, the 903- karst collapse center of circle meets at embankment edge；11- bottom plate,
12- top plate, 13- left plate, 14- right side plate, 15- plastron, 16- stringer, 17- preformed hole, 18- mounting groove, 19- panel, 1901-
Active window.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.In addition, involved in the various embodiments of the present invention described below
And to technical characteristic can be combined with each other as long as they do not conflict with each other.
Fig. 1 is the schematic diagram of the fence net composite structure of a kind of tool prevention and treatment of the utility model embodiment and early warning karst collapse.
As shown in Figure 1, it includes synthetic material net 2 and several casees that fence net composite structure, which is set to the karst region place of needing reinforcement fence net composite structure,
Type structure barricade 1, wherein the linear arrangement of several box-structure barricades 1, box-structure barricade 1 is the barricade of box；Two casees
It is oppositely arranged between type structure barricade 1, synthetic material net 2 is placed between two box-structure barricades 1 being oppositely arranged, and synthesizes material
Material net 2 and box-structure barricade 1 collectively constitute force structure, for undertaking small-sized karst collapse bring deformation and horizontal force,
Small-sized karst collapse (diameter is less than 5m) bring deformation and horizontal force can be undertaken.
Fig. 2 is the schematic diagram of box-structure barricade.Fig. 3 is the face Fig. 2A-A cross-sectional view.Fig. 4 is the side view of panel.Such as figure
2, shown in Fig. 3 and Fig. 4, box-structure barricade 1 includes bottom plate 11, top plate 12, left plate 13, right side plate 14, plastron 15, stringer 16
With panel 19, box-structure barricade 1 is hollow structure, and top plate 12 and bottom plate 11 are correspondingly arranged at up and down the two of box-structure barricade 1
Side, wherein top plate 12 is equipped with preformed hole 17, and the inside of corresponding bottom plate 11 is equipped with mounting groove corresponding with preformed hole 17, face
Plate 19 passes through preformed hole 17, and is fastened on its bottom in mounting groove；Preferably, box-structure barricade 1 is armored concrete structure
Part, the structure that bottom plate 11, top plate 12, left plate 13, right side plate 14, plastron 15 and stringer 16 form are prefabricated components, panel 19
For independent prefabricated components, panel 19 is assembled by preformed hole 17.
It is transversely provided with strip through-hole on 1 medial surface of box-structure barricade, around strip through-hole, left plate 13, right side plate
14 are respectively arranged on the left and right sides of strip through-hole, and plastron 15 is set to the two sides up and down of strip through-hole, passes through left plate 13, right side plate
14 and plastron 15 form the space of intermediate strip through-hole；16 main structure of stringer is placed in the hollow structure of box-structure barricade 1
Interior, end is placed in the middle part of strip through-hole, and strip through-hole is separated, and is respectively formed top strip through-hole and bottom bar shaped is logical
Hole.
One end of synthetic material net 2 is placed in the top strip through-hole on box-structure barricade 1 or bottom strip through-hole, separately
One end is placed in the top strip through-hole or bottom strip through-hole of the box-structure barricade for another being oppositely arranged, synthetic material
The breadth and stringer 16 of net 2 are consistent；Preferably, synthetic material net 2 is high-strength earth working material net.Two casees being oppositely arranged
Filler is equipped between the stringer 16 of type structure barricade 1, the radian of filler is greater than the thickness of stringer 16, and filler connect to be formed with stringer
Overall structure, and cooperatively form force structure with box-structure barricade 1 undertakes and collapses embankment load on area, fills out
Square surface additional load (vehicle, pedestrian, equipment etc.)；In addition synthetic material net 2 and filler form combination beam, a combination thereof beam effect
It can effectively avoid it to develop upwards, it is disastrous to reduce its.
Preferably, infolding packaging type is arranged in 2 side of synthetic material net or other more preferably connect Skid Resistance Measures, to increase
Frictional resistance.
Wherein, synthetic material net 2 is single or double layer, is placed in filler.Distinguish at the both ends of the synthetic material net 2 of single layer
Be placed in the strip through-hole for the box-structure barricade 1 being oppositely arranged, be placed on stringer 16, single layer close in web material 2
It is laid with filler, wherein single layer synthetic material net 2 is placed in filler, for reinforcing the strength and stability of force structure.
Double-deck synthetic material net 2 includes upper layer and lower layer, and the both ends of upper layer synthetic material net, which are respectively placed in, to be oppositely arranged
In the top strip through-hole of box-structure barricade 1, the both ends of lower layer's synthetic material net are respectively placed in the box-structure being oppositely arranged
In the bottom strip through-hole of barricade 1, upper layer synthetic material net and lower layer's synthetic material net are respectively placed in the upper and lower part of filler,
By two layers of synthetic material net assistant reinforcement, the strength and stability of whole force structure is further promoted.
Preferably, the top of filler is equipped with downward longitudinal slope from center to two sides, convenient for the discharge of the underground water on filler.
Further, the gradient of longitudinal slope is 4%, and the discharge of underground water is better achieved in the case where guaranteeing stress.
Preferably, filler 50 is filled using AB group filler, wherein undope block stone, slabstone etc. have the object of corner angle, is prevented
Destroy the intensity of force structure.
The top of the hollow structure of box-structure barricade 1 is set to metal rack, and metal rack is equipped with prewarning unit 3, if
It sets the metal rack in hollow structure and is equipped with gauze for installing fixed prewarning unit 3, the bottom of prewarning unit 3, it is preferable that
The top that gauze is placed in synthetic material net 2 is placed in the bottom of synthetic material net 2, unilateral or two sides gauzes and 3 phase of prewarning unit
Even, synthetic material net 2 is influenced deformation by collapsing, and by displacement transfer to gauze, the case where being collapsed by gauze induction, into one
The case where walking ground, collapse-deformation fed back by displacement deformation measurement method and principle.
Preferably, corresponded on panel 19 prewarning unit position be equipped with active window, active window for early warning system observation,
Debugging, replacement, and the deformation failure situation of observation synthetic material net 2, collapse situation to be best understood from.
Preferably, synthetic material net 2 is high-strength earth working material net.
A kind of construction method of tool prevention and treatment and the fence net composite structure of early warning karst collapse, steps are as follows:
Levelling of the land, backfill side are flattened or step are divided to flatten by S1；
S2 chooses synthetic material net
Using circle when karst collapse theoretical calculation, collapsed diameter mainly uses surface survey, investigation result or calculates true
Fixed, karst collapse position assumes that a variety of possibilities such as embankment edge are in embankment middle part, circumscribed embankment edge, the center of circle to be carried out
High-strength earth working material net stabilized soil pavement checking computations；
Fence net structure, which will undertake, collapses embankment load on area, embankment surface additional load (vehicle, pedestrian, equipment
Deng), and quickly form sedimentation circular conical surface；The friction pulling force of vertical load and side offer that high-strength earth working material net is born,
The Compositional balances power such as base counter-force system.High-strength earth working material net materials intensity, ductility parameter etc. are determined according to calculating.
The laying and processing of S3 synthetic material net
High-strength earth working material net is considered as setting drainage slope when being laid with using waterproof earth working material；
Filler is sufficient and uncontrollably area can suitably increase side embankment and high-strength earth working material web area with the boundary of a piece of land, makees
The frictional resistance safety stock provided when to collapse burst.
High-strength earth working material net week side be increase frictional resistance be contemplated that infolding packaging type or other more preferably connect antiskid
Measure.
Longitudinal direction can right-angled intersection laying high-strength earth working material net, to eliminate the piece blank area reduced between different mesh sheet.
Landform has processing when rising and falling: the original ground after leveling is horizontal or slow with drainage slope in principle for flexible net
It is in tilted layout, landform exists when rising and falling, and placement of flexible net can be used after embankment leveling or in step arrangement；
S4 roadbed filling normal construction excavates box-structure barricade foundation pit, barricade installation；
Box-structure barricade 1 is connect by S5 with synthetic material net 2, successively installs early warning system and shingle nail.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
For limiting the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of fence net composite structure with prevention and treatment and early warning karst collapse, which is characterized in that including hollow box-structure
Barricade (1), synthetic material net (2) and the prewarning unit (3) being set in the box-structure barricade (1)；
The box-structure barricade (1) is linearly distributed several, two be oppositely arranged the box-structure barricade (1)
Between be equipped with the filler that connect with the box-structure barricade of two sides, the both ends of the synthetic material net (2) are respectively arranged on phase
To within two box-structure barricades (1) of setting and being embedded in the filler, the synthetic material net (2), filler
It is formed together force structure with box-structure barricade (1), to undertake the embankment load and the additional load that collapse on area；
The prewarning unit (3) include alarm structure be set at the top of the synthetic material net (2) for the synchronous synthesis
The gauze of web material (2) deformation.
2. a kind of fence net composite structure with prevention and treatment and early warning karst collapse according to claim 1, which is characterized in that
The box-structure barricade (1) includes the strip through-hole at the middle part on the inside of it, and being equipped in the middle part of the strip through-hole will be described
Strip through-hole is separated into the stringer (16) of top strip through-hole and bottom strip through-hole, and the synthetic material net (2) is placed in described
On top strip through-hole or bottom strip through-hole.
3. a kind of fence net composite structure with prevention and treatment and early warning karst collapse according to claim 1, which is characterized in that
The synthetic material net (2) is one or two layers, and the both ends of one layer of the synthetic material net (2), which are respectively placed in, to be oppositely arranged
In the top strip through-hole of box-structure barricade (1), another layer of both ends in two layers of the synthetic material net (2) are set respectively
In the bottom strip through-hole for the box-structure barricade (1) being oppositely arranged.
4. a kind of fence net composite structure with prevention and treatment and early warning karst collapse according to claim 1, which is characterized in that
The box-structure barricade (1) further includes that the intermediate top plate (12) for being equipped with preformed hole (17) and the corresponding preformed hole (17) are equipped with
The bottom plate (11) of mounting groove.
5. a kind of fence net composite structure with prevention and treatment and early warning karst collapse according to claim 4, which is characterized in that
The box-structure barricade (1) further includes across the preformed hole and bottom is placed in the panel (19) in the mounting groove.
6. a kind of fence net composite structure with prevention and treatment and early warning karst collapse according to claim 5, which is characterized in that
The top of the panel (19) is equipped with the active window for observing the prewarning unit (3) and synthetic material net (2).
7. a kind of fence net composite structure with prevention and treatment and early warning karst collapse described in any one of claim 1 to 3,
It is characterized in that, the side of the synthetic material net (2) is equipped with connection antiskid structure.
8. a kind of fence net composite structure with prevention and treatment and early warning karst collapse according to claim 7, which is characterized in that
The connection antiskid structure is packaging type structure of the setting in synthetic material net (2) side infolding.
9. a kind of fence net composite structure with prevention and treatment and early warning karst collapse according to claim 1, which is characterized in that
The top of the filler is equipped with downward longitudinal slope from center to two sides.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821482219.XU CN208981352U (en) | 2018-09-11 | 2018-09-11 | A kind of fence net composite structure with prevention and treatment and early warning karst collapse |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821482219.XU CN208981352U (en) | 2018-09-11 | 2018-09-11 | A kind of fence net composite structure with prevention and treatment and early warning karst collapse |
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| CN208981352U true CN208981352U (en) | 2019-06-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024666A (en) * | 2018-09-11 | 2018-12-18 | 中铁磁浮交通投资建设有限公司 | A kind of fence net composite structure and construction method with prevention and treatment and early warning karst collapse |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024666A (en) * | 2018-09-11 | 2018-12-18 | 中铁磁浮交通投资建设有限公司 | A kind of fence net composite structure and construction method with prevention and treatment and early warning karst collapse |
| CN109024666B (en) * | 2018-09-11 | 2024-03-15 | 中铁磁浮交通投资建设有限公司 | Wall network combined structure capable of preventing and warning karst collapse and construction method |
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