CN203846517U - Vertical anchor bolt supporting structure - Google Patents
Vertical anchor bolt supporting structure Download PDFInfo
- Publication number
- CN203846517U CN203846517U CN201420200637.0U CN201420200637U CN203846517U CN 203846517 U CN203846517 U CN 203846517U CN 201420200637 U CN201420200637 U CN 201420200637U CN 203846517 U CN203846517 U CN 203846517U
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- CN
- China
- Prior art keywords
- side slope
- vertical
- anchor pole
- support structure
- slope
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Abstract
The utility model relates to the technical field of slope supporting structures, and discloses a vertical anchor bolt supporting structure. Residual soil or completely weathered rock or strong weathered rock is arranged on the upper portion of a slope; and intermediary weathered rock or weak weathered rock is arranged on the lower portion of the slope. The vertical anchor bolt supporting structure comprises a plurality of vertical anchor bolt rows and a cover plate, wherein the vertical anchor bolt rows are arranged at intervals; the cover plate is placed on a surface of the slope; each vertical anchor bolt row comprises a plurality of vertical anchor bolts which are arranged in rows at intervals; lower ends of the vertical anchor bolts are inlaid in the lower portion of the slope; and upper ends of the vertical anchor bolts extend to the surface of the slope and is connected to the cover plate. The rock soil mixed slope is supported by the vertical anchor bolt supporting structure; piles in rows are not required; because the diameters of the anchor bolts are small, holes are formed in the slope easily and conveniently, the manufacturing cost is low, and the construction period is greatly shortened; and moreover, rocks with joint fissures in the slope can be stranded by using the vertical anchor bolts, a phenomenon that the rocks loose and collapse in later blasting construction is avoided, and the stability of the slope is high.
Description
Technical field
The utility model relates to the technical field of slope retaining structure, relates in particular to vertical bolt support structure.
Background technology
In building slope support engineering, when side slope needs upright excavation, the general Row Piles Supporting Structure that adopts, or campshed+prestress anchorage cable combined supporting structure, but, for ground matter, mix side slope, be that side slope top is soil property slope, as slope residual soil or completely decomposed rock or strong-weathered rock, and Wei Yanzhi slope, side slope bottom, as middle decomposed rock or micro-decomposed rock etc., now, if employing Row Piles Supporting Structure, campshed all needs to embed certain depth in side slope bottom, in practice of construction, no matter adopt hand excavated pile, or drilling hole stake, still revolve pile-formation process such as digging stake, its construction cost is higher and the duration is also long.Or campshed adopts and hangs pin stake form, and it also exists cost problem high and long in time limit.
In addition, for side slope bottom, in decomposed rock or micro-decomposed rock, generally need to adopt explosive blasting or static(al) Blasting Excavation, like this, owing to there being joint fissure in rock mass, the side slope domatic of bursting work after on the stability of side slope and explosion has impact, has larger potential safety hazard.
Utility model content
The purpose of this utility model is to provide vertical bolt support structure, is intended to solve in prior art, and the supporting and protection structure that ground matter is mixed side slope exists the problem of high, the long in time limit and larger potential safety hazard of cost.
The utility model is to realize like this, vertical bolt support structure, being embedded at ground matter mixes in side slope, side slope top is residual soil or completely decomposed rock or strong-weathered rock, side slope bottom is middle decomposed rock or micro-decomposed rock, described vertical bolt support structure comprises the vertical anchor pole row of the alternate layout of many rows and is placed in the cover plate on side slope surface, described in each, the vertical anchor pole of a plurality of alternate layouts in a row is drawn together in vertical anchor pole package, the lower end of described vertical anchor pole is embedded in described side slope bottom, its upper end is through described side slope top, extend to the domatic of described side slope, and be connected in described cover plate.
Further, on described side slope domatic, be formed with groove platform, described cover plate is placed in described groove platform, and the upper end of described vertical anchor pole extends to the bottom of described groove platform.
Further, described vertical bolt support structure also comprises and is the skewed oblique anchor pole being embedded in described side slope, and the lower end of described oblique anchor pole is embedded at described side slope bottom, and its upper end, through side slope top, extends to the domatic of described side slope.
Further, the quantity of described oblique anchor pole is a plurality of, and the alternate layout in a row of a plurality of described oblique anchor poles forms oblique anchor pole row.
Further, described vertical bolt support structure comprises and is the skewed prestress anchorage cable being embedded in described side slope, and the lower end of described prestress anchorage cable is embedded in described side slope bottom, and its upper end, through described side slope top, extends to the domatic of described side slope.
Further, described side slope domatic is provided with domatic mask, and the upper end of described prestress anchorage cable is connected in described domatic mask.
Further, described vertical anchor pole row's quantity is three rows.
Further, be formed with vertical hole in described side slope, be provided with vertical anchor pole and be wrapped in the cement paste outside reinforcing bar in described vertical hole, the cement paste after described reinforcing bar and maintenance forms described vertical anchor pole.
Compared with prior art, adopt vertical bolt support structure of the present utility model to mix side slope to ground matter and carry out supporting, it does not need to use campshed, because the diameter of anchor pole is less, like this, the drilling construction in side slope is also easy, cost is low, and greatly shortens the construction period; In addition, utilizing vertical anchor pole will in side slope, exist the rock mass of joint fissure to string together, avoid in the blast working in later stage, there is loosening slump phenomenon in rock mass, and the stability of side slope is better.
Accompanying drawing explanation
Fig. 1 is that the vertical bolt support structure that the utility model embodiment provides is used in the cut-away illustration in side slope.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with specific embodiment, realization of the present utility model is described in detail.
As shown in Figure 1, the preferred embodiment providing for the utility model.
The vertical bolt support structure 1 that the present embodiment provides, be used in ground matter and mix side slope 2, namely side slope top 21 is residual soil or completely decomposed rock or strong-weathered rock, side slope bottom 22 is middle decomposed rock or micro-decomposed rock, side slope 2 vertical cuts, and be above the ground level 3, certainly, this vertical bolt support structure 1 also can be used in the side slope 2 of other type, is not limited to the utilization in the present embodiment.
Vertical bolt support structure 1 comprises that many rows are embedded vertical anchor pole row and the cover plate 11 in side slope 2, the vertical anchor pole of these many rows is arranged alternate layout, and the vertical anchor pole 12 of a plurality of alternate layouts in a row is drawn together in each vertical anchor pole package, vertical anchor pole 12 is vertical layout, and its lower end is placed in the bottom of side slope 2, its upper end extends on side slope 2 domatic; Cover plate 11 is arranged on the domatic upper of side slope 2, and is connected with the upper end of each vertical anchor pole 12 respectively.
Adopt 1 pair of ground matter of above-mentioned vertical bolt support structure to mix side slope 2 and carry out supporting, it does not need to use campshed supporting, and the diameter of anchor pole is less, be generally less than 130mm, be convenient to drilling construction in side slope 2, such as pore-formings such as the middle decomposed rock of side slope bottom 22 or micro-decomposed rocks, greatly reduce the cost of its supporting and protection structure, also shorten the construction period; In addition, utilize vertical bolt support structure 1, vertical anchor pole 12 wherein can exist the rock mass of joint fissure to string together side slope 2, thereby avoid in the blast working process in later stage, there is the loosening slump of rock mass of joint fissure, also can bear the soil pressure in side slope 2, make whole side slope 2 in stablizing shape body, eliminate safe hidden trouble simultaneously.
In practice of construction process, utilize the vertical hole of moulding in side slope 2 such as rig, this vertical hole extends to side slope bottom 22, vertical anchor pole 12 comprises reinforcing bar and the cement paste that is placed in this vertical hole, the lower end of reinforcing bar extends to the bottom in vertical hole, cement paste wraps up reinforcing bar, and after cement paste maintenance, it forms vertical anchor pole 12 together with reinforcing bar.
In the present embodiment, in side slope 2, be provided with three above-mentioned vertical anchor pole rows, certainly, according to the scale of side slope 2, distance between vertical anchor pole row's quantity and adjacent vertical anchor pole row can be decided according to the actual requirements, and is not limited in the facilities in the present embodiment.
Because the upper end of each vertical anchor pole 12 is connected with cover plate 11, more firm in order to make to be connected between cover plate 11 and side slope 2, make whole vertical bolt support structure 1 integral body more firm, in the present embodiment, on side slope 2 domatic, be formed with groove platform, the upper end of each anchor pole extends to the bottom of this groove platform, above-mentioned cover plate 11 is formed in this groove platform, and connects as one with the upper end of vertical anchor pole 12, like this, under the restriction of groove platform, avoid cover plate 11 to occur the phenomenons such as displacement.
Above-mentioned vertical bolt support structure 1 is in practice of construction process, and its construction sequence is as follows:
1), first, the elevation to anchor pole upper end by the soil excavation of side slope 2;
2), lay rig, by order, in side slope 2, form above-mentioned vertical hole, and in vertical hole lower reinforcing bar or reinforcing cage, toward injected water mud in vertical hole, and maintenance, finally form vertical anchor pole 12;
3), scarfing cinder in side slope 2, settle cover plate 11 reinforcing bars, fluid concrete, and maintenance forms cover plate 11, this cover plate 11 is connected with the vertical upper end of anchor pole 12;
4), in side slope 2, carry out step by step soil excavation, rock blasting step by step, until at the bottom of side slope 2 slopes.
As other embodiment, when the height of side slope 2 is larger, or there is Fragmentation Phenomena in the rock mass in side slope 2, like this, in order to strengthen the stability of vertical bolt support structure 1, vertical bolt support structure 1 also comprises oblique anchor pole, and this oblique anchor pole is skewed and is located in side slope 2, its lower end extends to side slope bottom 22, upper end extends to the domatic of side slope 2, like this, and by increasing oblique anchor pole, can increase a plurality of orientation supporting of whole side slope 2, and supporting scope is wide.
Oblique anchor pole also can arrange a plurality of, and the oblique anchor pole that forms the alternate layout of many rows is arranged and put, the oblique anchor pole row of every row comprises the oblique anchor pole of a plurality of alternate layouts, certainly, also can, according to the situation setting of actual side slope 2, specifically by actual needs, be determined.
As other embodiment, above-mentioned vertical bolt support structure 1 also comprises prestress anchorage cable, this prestress anchorage cable is and is in tilted layout, its lower end extends to side slope bottom 22, and upper end extends to the domatic upper of side slope 2, and is formed with domatic mask on side slope 2 domatic, the upper end of prestress anchorage cable is connected on this domatic mask, like this, by the common supporting of vertical anchor pole 12 and prestress anchorage cable, make the stability of side slope 2 better.
Certainly, in side slope 2, arrange after oblique anchor pole, also can on side slope 2 domatic, form above-mentioned domatic mask, the upper end of oblique anchor pole is connected with this domatic mask.
Above-mentioned oblique anchor pole or prestress anchorage cable are set in side slope 2, and its work progress is specific as follows:
Construction sequence according to above-mentioned, forms vertical anchor pole 12 and cover plate 11, and the step of following is as follows:
Construct by row oblique anchor pole or prestress anchorage cable are hung steel mesh reinforcement on side slope 2 domatic, and sprayed mortar, form domatic mask, and prestress anchorage cable or oblique anchor pole are connected on this domatic mask.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. vertical bolt support structure, being embedded at ground matter mixes in side slope, side slope top is residual soil or completely decomposed rock or strong-weathered rock, side slope bottom is middle decomposed rock or micro-decomposed rock, it is characterized in that, described vertical bolt support structure comprises the vertical anchor pole row of the alternate layout of many rows and is placed in the cover plate on side slope surface, described in each, the vertical anchor pole of a plurality of alternate layouts in a row is drawn together in vertical anchor pole package, the lower end of described vertical anchor pole is embedded in described side slope bottom, its upper end is through described side slope top, extend to the domatic of described side slope, and be connected in described cover plate.
2. vertical bolt support structure as claimed in claim 1, is characterized in that, on described side slope domatic, is formed with groove platform, and described cover plate is placed in described groove platform, and the upper end of described vertical anchor pole extends to the bottom of described groove platform.
3. vertical bolt support structure as claimed in claim 1 or 2, it is characterized in that, described vertical bolt support structure also comprises and is the skewed oblique anchor pole being embedded in described side slope, the lower end of described oblique anchor pole is embedded at described side slope bottom, its upper end, through side slope top, extends to the domatic of described side slope.
4. vertical bolt support structure as claimed in claim 3, is characterized in that, the quantity of described oblique anchor pole is a plurality of, and the alternate layout in a row of a plurality of described oblique anchor poles forms oblique anchor pole row.
5. vertical bolt support structure as claimed in claim 1 or 2, it is characterized in that, described vertical bolt support structure comprises and is the skewed prestress anchorage cable being embedded in described side slope, the lower end of described prestress anchorage cable is embedded in described side slope bottom, its upper end, through described side slope top, extends to the domatic of described side slope.
6. vertical bolt support structure as claimed in claim 5, is characterized in that, described side slope domatic is provided with domatic mask, and the upper end of described prestress anchorage cable is connected in described domatic mask.
7. vertical bolt support structure as claimed in claim 1 or 2, is characterized in that, described vertical anchor pole row's quantity is three rows.
8. vertical bolt support structure as claimed in claim 1 or 2, it is characterized in that, in described side slope, be formed with vertical hole, be provided with vertical anchor pole and be wrapped in the cement paste outside reinforcing bar in described vertical hole, the cement paste after described reinforcing bar and maintenance forms described vertical anchor pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200637.0U CN203846517U (en) | 2014-04-23 | 2014-04-23 | Vertical anchor bolt supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200637.0U CN203846517U (en) | 2014-04-23 | 2014-04-23 | Vertical anchor bolt supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203846517U true CN203846517U (en) | 2014-09-24 |
Family
ID=51559554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420200637.0U Expired - Fee Related CN203846517U (en) | 2014-04-23 | 2014-04-23 | Vertical anchor bolt supporting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN203846517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389315A (en) * | 2014-11-12 | 2015-03-04 | 国家电网公司 | Consolidation grouting drilled pile wall and construction method thereof |
| CN108532595A (en) * | 2018-03-12 | 2018-09-14 | 沙洲职业工学院 | A kind of three-dimensional reinforcing prevents the mine slope reinforcement structure of unstability |
-
2014
- 2014-04-23 CN CN201420200637.0U patent/CN203846517U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389315A (en) * | 2014-11-12 | 2015-03-04 | 国家电网公司 | Consolidation grouting drilled pile wall and construction method thereof |
| CN108532595A (en) * | 2018-03-12 | 2018-09-14 | 沙洲职业工学院 | A kind of three-dimensional reinforcing prevents the mine slope reinforcement structure of unstability |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |