CN203113321U - Powder-spraying stirring type anchor pile - Google Patents
Powder-spraying stirring type anchor pile Download PDFInfo
- Publication number
- CN203113321U CN203113321U CN 201320104937 CN201320104937U CN203113321U CN 203113321 U CN203113321 U CN 203113321U CN 201320104937 CN201320104937 CN 201320104937 CN 201320104937 U CN201320104937 U CN 201320104937U CN 203113321 U CN203113321 U CN 203113321U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- hollow steel
- soil
- powder
- reinforcing bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a powder-spraying stirring type anchor pile. The powder-spraying stirring type anchor pile comprises a hollow steel pipe. The front end of the hollow steel pipe is closed. A powder-spraying hole is formed in the pipe wall, close to the front end, of the hollow steel pipe. A plurality of through holes which penetrate through the hollow steel pipe are punched in the pipe wall of the hollow steel pipe in the direction perpendicular to the axis of the hollow steel pipe. A reinforcing steel bar is inserted in each through hole penetrating through the hollow steel pipe in a penetrating mode and fixed with the hollow steel pipe in a welding mode. According to the powder-spraying stirring type anchor pile, the reinforcing steel bars are distributed on the hollow steel pipe, the reinforcing steel bars rotate to stir soil so that the soil everywhere within the scope of reach of the anchor pile can be stirred evenly in the process that the anchor pile penetrates into the soil, and cement powder and moist soil can be mixed completely and conveniently; and the cement powder can absorb moisture in the soil from a stratum with high moisture content after being sprayed from the powder-spraying hole, cement setting caused by the adoption of a grouting mode in a construction process or after construction is finished can be avoided, damage to a soil body when the strength of cement soil is lower than that of original soil can be avoided, and therefore slope instability at the time can be avoided.
Description
Technical field
The utility model relates to the device of a kind of soil excavation, stability of slope and underground structure anti-floating resistance to plucking, relates in particular to a kind of stirring type anchoring pile that dusts for bracing of foundation pit, slope reinforcement and underground structure resistance to plucking anti-floating.
Background technology
Plate brad supporting, bolt support are extensive use of in bracing of foundation pit engineering and stability of slope engineering, and the plate brad supporting cost is low, easy construction, but the length of soil nailing and stake diameter are less, and the equal power of resistance to plucking is little, only is applicable to the area that soil property is good, so the scope of application is less, often can not meet design requirement; And the equal power of the length of anchor pole, diameter and resistance to plucking is all greater than soil nailing, but its cost is higher, and construction needs through boring earlier, after insert metal material, slip casting two procedures again can not disposablely be finished, and has improved cost.
So, someone improves anchor pole, steel pipe is arranged to hollow shape, and tube wall is provided with flight, offers injected hole at tube wall, cement paste is injected in precession on one side on one side, make supporting construction once to finish, but have processed complex, cost is higher, resistance is bigger during screw-in, influences shortcomings such as speed of application.And on weak soil or the higher stratum of water content, because the water content of foundation soil own is abundant, organic content is higher, and the cement paste that injects contains bigger moisture content, thereby can cause cement-soil (being anchoring body) intensity not high, and then influences anchor pole resistance to plucking effect.And the stirring because the injection of cement paste was gone forward side by side of foundation soil in the work progress of anchor pole, form the cement-soil mixture of flow-like, cement-soil mix the slurry ot-yet-hardened reach better intensity is arranged before, adopt the one-time formed anchor pole of slip casting formula that great destruction is caused on the stratum, tend to because the construction of anchor pole directly causes the unstability of excavation slope, thereby cause quality accidents.
Summary of the invention
The utility model provides a kind of processing simple at above-mentioned the deficiencies in the prior art, and resistance is less when piercing soil, can improve speed of application, and can effectively improve the stirring type anchoring pile that dusts of foundation soil strength and anchoring body intensity fast.
The technical solution of the utility model is achieved in that
A kind of stirring type anchoring pile that dusts, comprise hollow steel pipe, the front end sealing of described hollow steel pipe, tube wall at the close front end of hollow steel pipe has powder injection hole, get through a plurality of through holes that run through hollow steel pipe in hollow steel pipe tube wall upper edge perpendicular to the hollow steel pipe axis direction, be interspersed with reinforcing bar in each runs through the through hole of hollow steel pipe, described reinforcing bar and hollow steel pipe welding are fixing.
As preferably, described through hole and reinforcing bar are evenly to distribute at interval along the hollow steel pipe length direction.Adopted such arrangement, make each section steel pipe can both bring into play the effect of stirring soil, stressed being assigned to uniformly on every reinforcing bar when making the steel pipe rotation, not only reduced the resistance that is subjected in the whipping process, also make to stir more evenly, be beneficial to fully mixing of the higher soil layer of cement flour and water content.
As preferably, in adjacent 2 reinforcing bars, wherein 1 reinforcing bar of 1 reinforcing bar and other is vertical mutually in twos.Make anchoring pile in piercing soil course, can play the stressed effect of stable equilibrium, and can reduce the required driving force of anchoring pile rotation, thereby and increase the anchor pole resistance to plucking and destroy resistance and improve anti-pulling of anchor bar; After piercing soil, because reinforcing bar is for staggered vertically arranged, so can play the stronger anchor-hold effect of drawing.
As preferably, the front end of hollow steel pipe is connected with drill bit.Thereby make that to pierce soil faster.
In order to make reinforcing bar two ends force balance, as preferably, two of every reinforcing bar all is exposed to outside the through hole, and intert in through hole at the middle part of reinforcing bar.Not only the effect of soil all can be realized stirring in two of every reinforcing bar, also makes reinforcing bar more firm with being connected of hollow steel pipe.
As preferably, two of every reinforcing bar all equates with distance between the hollow steel pipe axis.Thereby make the hollow steel pipe both sides stressed more balanced, be beneficial to stirring.
Adopted the advantage that the utlity model has of technique scheme to be:
1, processing is simple, and cost is low, and resistance is little when screwing in soil, has improved speed of application;
2, its length, stake diameter and the equal power of resistance to plucking are good, and diameter can reach 300mm, and when being applied to weak soil, diameter can reach more than the 400mm, thereby is applicable to the stratum of various soil properties such as silt soil, cohesive soil, loess, sandy soil;
3, can be used as the resistance to plucking anti-floating of vertical stake, the scope of application has obtained further raising;
4, the utility model is to be laid with reinforcing bar at hollow steel pipe, stirs soil by reinforcing bar rotation, makes anchoring pile in going deep into the process of soil, and institute's interior soil everywhere of the scope of touching all can evenly be stirred, and is beneficial to fully mixing of cement flour and moistening soil; Cement flour can be from powder injection hole ejection back in the high stratum of water content moisture in the absorbent earth, and avoid adopting grouting mode to cause in work progress and construction thes cement solidifies after finishing and soil cement intensity is made the soil body during still less than original soil intensity destruction, and then avoid the side slope unstability of this moment.
5, be equipped with a plurality of through holes that run through hollow steel pipe in hollow steel pipe tube wall upper edge perpendicular to the hollow steel pipe axis direction, the reinforcing bar middle part is interted in through hole and is welded fixing with hollow steel pipe, reinforcing bar two is exposed to outside the through hole, it is more firm to make that reinforcing bar is connected with hollow steel pipe, when stirring, reinforcing bar is not easy to break away from hollow steel pipe, and easier shaping.
Description of drawings
Fig. 1 is the structural representation of anchoring pile among the embodiment 1;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the application principle figure of anchoring pile among the embodiment 2;
Fig. 4 is the B portion enlarged drawing of Fig. 3;
Fig. 5 is the structural representation of embodiment 1 hollow core steel pipe;
Fig. 6 is the structural representation of anchoring pile among the embodiment 2.
The specific embodiment
The specific embodiment of the present utility model is as follows:
Embodiment 1: a kind of stirring type anchoring pile that dusts, as shown in Figure 1, 2, comprise hollow steel pipe 1, the open rearward end of described hollow steel pipe 1, the front end of hollow steel pipe 1 is connected with a drill bit 2, part near front end on hollow steel pipe 1 is provided with many reinforcing bars 3, specifically, this part tube wall upper edge hollow steel pipe length direction at the close front end of hollow steel pipe 1 evenly is provided with many reinforcing bars 3 at interval, described reinforcing bar 3 is perpendicular with hollow steel pipe 1, in adjacent 2 reinforcing bars, wherein 1 reinforcing bar of 1 reinforcing bar 3 and other 3 is vertical mutually in twos; Reinforcing bar 3 is connected in the following way with hollow steel pipe 1: as shown in Figure 5, namely get through a plurality of through holes 6 that run through hollow steel pipe in hollow steel pipe 1 tube wall upper edge perpendicular to hollow steel pipe axis 7 directions, the middle part of described reinforcing bar 3 is interted in through hole 6 and is welded fixing with hollow steel pipe 1, two of every reinforcing bar 3 all is exposed to outside the through hole 6, and two of reinforcing bar 3 all equates apart from the distance of hollow steel pipe axis; Adopted said structure to make that the whole processing of anchoring pile is simple, with low cost, and connected more firm; Have powder injection hole 4 at hollow steel pipe 1 anterior tube wall near drill bit 2.
The utility model is further improved at soil nailing and anchor rod construction process, be applicable to the soil that moisture is bigger, get out powder injection hole 4 in the front portion of hollow steel pipe 1, cement flour can absorbent earth in the high stratum of water content from powder injection hole 4 ejection back in moisture, and avoid adopting grouting mode to cause in work progress and construction thes cement solidifies after finishing and soil cement intensity is made the soil body during still less than original soil intensity destruction, and then avoid the side slope unstability of this moment.
Embodiment 2: as shown in Figure 6, the difference of present embodiment and embodiment 1 is, even distribution reinforcement 3 on whole hollow steel pipe 1, make whole section hollow steel pipe in traveling process, can play the effect of stirring soil, specifically, be evenly to be provided with many reinforcing bars 3 at interval at the tube wall upper edge of hollow steel pipe 1 hollow steel pipe length direction, described reinforcing bar 3 is perpendicular with hollow steel pipe 1.
Shown in Fig. 3,4, during use, available rig pierces slight slope face 5 with hollow steel pipe 1, dusts simultaneously to be combined with moistening soil to form anchoring pile.Pierce in the process, long-pending little with soil contact because reinforcing bar 3 is thinner, thereby suffered resistance is little, thus can pierce fast.
When construction, can take full advantage of anchoring pile according to the geological conditions of soil layer, satisfy the requirement of bracing of foundation pit and slope reinforcement, guaranteeing to reduce construction costs and cost under smooth, the safe situation of bracing of foundation pit and slope reinforcement engineering construction; Can vertically construct in addition, become the resistance to plucking anti-float anchor rod, replace resistance to plucking anti-floating root pile, no mud, protection environment.
Claims (6)
1. stirring type anchoring pile that dusts, comprise hollow steel pipe (1), the front end sealing of described hollow steel pipe (1), tube wall at the close front end of hollow steel pipe (1) has powder injection hole (4), it is characterized in that: get through a plurality of through holes (6) that run through hollow steel pipe in hollow steel pipe (1) tube wall upper edge perpendicular to the hollow steel pipe axis direction, be interspersed with reinforcing bar (3) in each runs through the through hole (6) of hollow steel pipe, described reinforcing bar (3) is fixing with hollow steel pipe (1) welding.
2. the stirring type anchoring pile that dusts according to claim 1 is characterized in that: described through hole (6) and reinforcing bar (3) are evenly to distribute at interval along the hollow steel pipe length direction.
3. the stirring type anchoring pile that dusts according to claim 1 and 2 is characterized in that: in adjacent 2 reinforcing bars, wherein 1 reinforcing bar of 1 reinforcing bar and other is vertical mutually in twos.
4. the stirring type anchoring pile that dusts according to claim 1, it is characterized in that: the front end of hollow steel pipe (1) is connected with drill bit.
5. the stirring type anchoring pile that dusts according to claim 1, it is characterized in that: two of every reinforcing bar (3) all is exposed to outside the through hole (6), and intert in through hole (6) at the middle part of reinforcing bar (3).
6. the stirring type anchoring pile that dusts according to claim 5 is characterized in that: two of every reinforcing bar (3) all equates with distance between the hollow steel pipe axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320104937 CN203113321U (en) | 2013-03-07 | 2013-03-07 | Powder-spraying stirring type anchor pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320104937 CN203113321U (en) | 2013-03-07 | 2013-03-07 | Powder-spraying stirring type anchor pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203113321U true CN203113321U (en) | 2013-08-07 |
Family
ID=48893684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320104937 Expired - Lifetime CN203113321U (en) | 2013-03-07 | 2013-03-07 | Powder-spraying stirring type anchor pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203113321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161153A (en) * | 2013-03-07 | 2013-06-19 | 郭财宝 | Powder injection stirring type anchor pile and construction method |
-
2013
- 2013-03-07 CN CN 201320104937 patent/CN203113321U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161153A (en) * | 2013-03-07 | 2013-06-19 | 郭财宝 | Powder injection stirring type anchor pile and construction method |
| CN103161153B (en) * | 2013-03-07 | 2016-02-24 | 郭财宝 | Powder spraying stirring formula anchoring pile and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201614595U (en) | Rotation-type anchor tubular pile | |
| CN205907679U (en) | Cast -in -place strength core stirring stake | |
| CN103898916A (en) | Mini-pile combined support structure and construction method thereof | |
| CN104532855B (en) | A kind of built pile supporting construction in deep peat swamps evolution | |
| CN203113324U (en) | Grouting stirring type anchor pile | |
| CN101942830B (en) | Construction method of combined concrete soil pile with core pile | |
| CN109826657A (en) | One kind being used for soft rock tunnel solidifying of the working face device and its construction method | |
| CN102839661A (en) | Construction technology of reelingly stirring to eject anchor tube pile | |
| CN205152983U (en) | Stratum pre -reinforcing of underground space construction handles structure | |
| CN102900447B (en) | A kind of anchor pole reinforced for weak surrounding rock | |
| CN110777776A (en) | In-situ stirring steel pipe pile construction system and method applied to coral reef geology | |
| CN203113321U (en) | Powder-spraying stirring type anchor pile | |
| CN201099861Y (en) | Rock bedded slope light reinforcing structure | |
| CN204920787U (en) | Loess foundation settlement by soaking is eliminated and is consolidated with soil body microwave heating equipment around drilling | |
| CN203440821U (en) | Closed type barrel supporting structure | |
| CN103161153B (en) | Powder spraying stirring formula anchoring pile and construction method | |
| CN103410529A (en) | Tunnel supporting arch foot reinforced structure for soft surrounding rocks and construction method | |
| CN203583501U (en) | Deep-layer shear resistant device capable of preventing rock sliding | |
| CN203361147U (en) | Recyclable anchor rod and bearing plate type anchor pile | |
| CN202787275U (en) | Tubular soil nailing wall of novel pneumatic impact anchor | |
| CN204825918U (en) | Composite pile supporting construction in deep peat matter soil layer | |
| CN106351661A (en) | Pre-supporting technology used in tunnel engineering construction | |
| CN204475320U (en) | A kind of screw pile | |
| CN103306280A (en) | Stirring anchor pile implanted in inner hole of drill rod and anchoring method | |
| CN208685601U (en) | Compound expanding anti-floating steel anchor rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |