CN203049578U - Large-diameter soil nail - Google Patents
Large-diameter soil nail Download PDFInfo
- Publication number
- CN203049578U CN203049578U CN 201320019304 CN201320019304U CN203049578U CN 203049578 U CN203049578 U CN 203049578U CN 201320019304 CN201320019304 CN 201320019304 CN 201320019304 U CN201320019304 U CN 201320019304U CN 203049578 U CN203049578 U CN 203049578U
- Authority
- CN
- China
- Prior art keywords
- energy
- steel
- steel bar
- putting
- group
- 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 - Fee Related
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model belongs to the technical field of foundation pit support, and particularly relates to a large-diameter soil nail. More than one group of transverse reinforced steel bars is evenly distributed on the outer surface of a steel pipe. Each group of transverse reinforced steel bars comprises more than one transverse reinforced steel bar which is axially arranged at intervals along the outer surface of the steel pipe. More than one longitudinal reinforced steel bar parallel to the steel pipe is arranged on a group between the transverse reinforced steel bars. Injected holes are formed in the steel pipe. Cylindrical cement soil blocks formed by using the steel pipe as a rotating shaft are wrapped outside the steel pipe, the transverse reinforced steel bars and the longitudinal reinforced steel bars. The tail end of the steel pipe and the tail ends of the longitudinal reinforced steel bars are fixedly connected to the face layer of reinforced concrete. The large-diameter soil nail can be used in various ejector anchor soil nail walls and composite soil nail walls. Even cemented soil can be formed, and the diameters of grouting bodies can be controlled. The large-diameter soil nail has the advantages of being provided with the reinforced steel bars, being high in anti-pulling bearing capacity, pressure resistant, bend resistant, shearing resistant, capable of being safely used in support for sludge, mucky soil and other soil layer deep foundation pits, short in working period, and good in economical efficiency.
Description
Technical field:
The utility model belongs to the Base hole supporting technology field, refers in particular to a kind of plate brad supporting structure or comprises the basic building block of the composite support structure of soil nailing, refers in particular to a kind of major diameter soil nailing.
Background technology:
Base pit engineering is that protection underground space open-cut carries out being without prejudice with surrounding enviroment and temporary lining and the soil stabilization engineering taked smoothly.Development along with engineering construction, foundation ditch is increasing, more and more darker, during foundation construction, under the prerequisite that guarantees foundation ditch periphery building and foundation ditch safety, reduce pattern foundation pit supporting structure cost, reduction of erection time as far as possible, become engineers and technicians' unremitting pursue.
The weak soil self-stable ability is poor, forms soil nailing so often use the steel pipe of band through hole to carry out slip casting, but technology is too simple, the injecting cement paste diameter is uncontrollable, and soil and cement paste do not stir, and the soil nailing anti-pulling capacity is low, distortion is big.Thereafter Fa Zhan the soil anchor bolt that mixes cement, soil nailings such as stirring type anchor pole, at the steel pipe front end some blades are set, and by these blade cutting stirring soil bodys, but the blade stirring capacity is limited, soil and cement paste mix and are difficult to evenly, fully, only there are cement paste and the soil layer of tube wall to form anchoring body, the injecting cement paste diameter is still uncontrollable, namely enable to realize stirring to a certain degree, but only depend on the steel pipe tension, do not have other reinforcement bodies of putting more energy into, the resistance to tension of soil nailing muscle material is not enough again, and anti-pulling capacity is difficult to improve, can not resistance to compression, bending resistance and shearing resistance cause being difficult to safe and reliablely must being used for soft soil foundation pit.
Summary of the invention:
The purpose of this utility model provides a kind ofly can form even cement-soil, injecting cement paste controllable diameter system, have the reinforcement body of putting more energy into, have higher anti-pulling capacity, can resistance to compression, the major diameter soil nailing of bending resistance and shearing resistance.
The utility model is achieved in that
A kind of major diameter soil nailing, the external surface of steel pipe circumferentially is evenly equipped with one group of above steel bar group of laterally putting more energy into, the every group of steel bar group of laterally putting more energy into includes one with the steel bar of laterally putting more energy into of upper edge outer surface of steel tube axially spaced-apart setting, be provided with vertically the put more energy into steel bar parallel with steel pipe more than one between the steel bar laterally putting more energy into of the every group of steel bar group of laterally putting more energy into, steel pipe is provided with injected hole, steel pipe and laterally put more energy between the steel bar, laterally put more energy into steel bar and the affixed formation steel pipe skeleton between the steel bar of vertically putting more energy into are at steel pipe, be enclosed with the steel pipe outside the steel bar of laterally putting more energy into and the steel bar of vertically putting more energy into is the cement soil block that the cylindrical shape that forms is stirred in the rotating shaft rotation.
The end of above-mentioned steel pipe, vertically the put more energy into end of steel bar is fixed in the steel concrete surface layer.
The outer felt of above-mentioned steel pipe skeleton is wound with the spiral steel bar of putting more energy into.
The above-mentioned spiral steel bar of putting more energy into is reinforcing bar or steel bar or narrow steel plate or steel cable or steel wire.
The above-mentioned steel bar of laterally putting more energy into is square plate or trapezoidal steel plate or L shaped steel plate or T steel plate or form steel plate or deformed steel flats or above-mentioned combination.
The steel bar of laterally putting more energy in the every group of above-mentioned steel bar group of laterally putting more energy into is along the setting of outer surface of steel tube axially spaced-apart, circumferentially is evenly equipped with one group or two groups or three groups or four groups at the external surface of steel pipe.
The above-mentioned steel bar of vertically putting more energy into is reinforcing bar or steel bar or narrow steel plate or steel cable or steel wire.
The length of the length≤steel pipe of the above-mentioned steel bar of vertically putting more energy into.
The above-mentioned steel bar of vertically putting more energy into be located at the every group of steel bar group of laterally putting more energy into the steel bar of laterally putting more energy into middle part or outer end or be positioned at simultaneously the middle part and the outer end.
The advantage that the utility model is given prominence to compared to existing technology is:
A kind of major diameter soil nailing provided by the utility model, be used for various spray anchor soil nailing walls and composite soil nailing wall, can form even cement-soil, injecting cement paste controllable diameter system, have the reinforcement of putting more energy into body, have higher anti-pulling capacity, can resistance to compression, bending resistance and shearing resistance, can be used safely in the supporting of mud, mucky soil and the various degree of depth foundation ditches of other soil layers, duration is shorter, better economy.
Description of drawings:
Fig. 1 is use state diagram of the present utility model;
Fig. 2 is the generalized section of Figure 1A-A, and the steel bar of laterally putting more energy into of the steel bar group of laterally putting more energy into of this moment is single or multiple, and the angle that adjacent transverse is put more energy between the steel bar group is 180 °, is provided with the steel bar of vertically putting more energy in middle part and the outer end of the steel bar of laterally putting more energy into;
Fig. 3 is the generalized section of Figure 1A-A, the steel bar of laterally putting more energy into of the steel bar group of laterally putting more energy into of this moment is single or multiple, the angle that adjacent transverse is put more energy between the steel bar group is 120 °, be provided with the steel bar of vertically putting more energy in the outer end of the steel bar of laterally putting more energy into, be wound with the spiral steel bar of putting more energy in the outer felt of steel pipe skeleton;
Fig. 4 is the generalized section of Figure 1A-A, and the steel bar of laterally putting more energy into of the steel bar group of laterally putting more energy into of this moment is single or multiple, and the angle that adjacent transverse is put more energy between the steel bar group is 90 °, is provided with the steel bar of vertically putting more energy in middle part and the outer end of the steel bar of laterally putting more energy into;
Fig. 5 is one of stereogram of steel pipe skeleton of the present utility model, and the angle of laterally putting more energy between the steel bar group of this moment is 180 °, and the steel bar of vertically putting more energy into is located at the steel bar outer end of laterally putting more energy into;
Fig. 6 be steel pipe skeleton of the present utility model stereogram two, this moment the angle of laterally putting more energy between the steel bar group be 180 °, the steel bar of vertically putting more energy into is located at middle part and the outer end of the steel bar of laterally putting more energy into;
Fig. 7 is that the steel bar of laterally putting more energy into of square plate formula of the present utility model is arranged on the front view on the steel pipe;
Fig. 8 is the B-B sectional view of Fig. 7;
Fig. 9 is that the trapezoidal flat steel bar of laterally putting more energy into of the present utility model is arranged on the front view on the steel pipe;
Figure 10 is the C-C sectional view of Fig. 9;
Figure 11 is that the steel bar of laterally putting more energy into of L shaped plate formula of the present utility model is arranged on the front view on the steel pipe;
Figure 12 is the D-D sectional view of Figure 11;
Figure 13 is that the board-like steel bar of laterally putting more energy into of T shape of the present utility model is arranged on the front view on the steel pipe;
Figure 14 is the E-E sectional view of Figure 13.
Figure 15 is that the board-like steel bar of laterally putting more energy into of form of the present utility model is arranged on the front view on the steel pipe;
Figure 16 is the F-F sectional view of Figure 15.
The specific embodiment:
With specific embodiment the utility model is further described below, referring to Fig. 1-16:
A kind of major diameter soil nailing, the external surface of steel pipe 10 circumferentially is evenly equipped with one group of above steel bar group of laterally putting more energy into, the every group of steel bar group of laterally putting more energy into includes one with the steel bar 20 of laterally putting more energy into of upper edge steel pipe 10 external surface axially spaced-apart settings, be provided with vertically the put more energy into steel bar 30 parallel with steel pipe 10 more than one between the steel bar 20 laterally putting more energy into of the every group of steel bar group of laterally putting more energy into, steel pipe 10 and laterally putting more energy between the steel bar 20, laterally put more energy into steel bar 20 and the affixed formation steel pipe skeleton between the steel bar 30 of vertically putting more energy into, steel pipe 10 is provided with injected hole 40, at steel pipe 10, the steel bar 20 of laterally putting more energy into reaches and is enclosed with outside the steel bar 30 of vertically putting more energy into steel pipe 10 is the cement soil block 50 of the cylindrical shape of rotating shaft rotation stirring formation, diameter D 〉=the 250mm of the cement soil block 50 of cylindrical shape, laterally put more energy into steel bar 20 and the steel bar 30 of vertically putting more energy into cuts along with the rotation of steel pipe 10 when slip casting, stir soil, laterally the put more energy into body of steel bar 20 as the major diameter soil nailing of after cement-soil condenses, laterally putting more energy into, vertically put more energy into steel bar 30 as the body of vertically putting more energy into of major diameter soil nailing, the end 101 of described steel pipe 10, the end 301 of steel bar 30 of vertically putting more energy into is fixed in the steel concrete surface layer 60.
The steel bar 20 of laterally putting more energy into one to one on the every group of steel bar group of laterally putting more energy into can arrange at grade the setting of also can staggering.The composition of described cement soil block 50 is: the straight cement incorporation of per 1000 gram soil is: 〉=30 grams.General range is 70 grams-500 grams, also can enter arbitrarily additive in cement paste, or cement is made into other materials that can condense such as lime.
The outer felt of above-mentioned steel pipe skeleton is wound with the spiral steel bar 70 of putting more energy into, at the cement-soil rear screw spiral stirrup of steel bar 70 as the major diameter soil nailing of putting more energy into that condense.
Put more energy into steel bar 70 of above-mentioned spiral is reinforcing bar or steel bar or narrow steel plate or steel cable or steel wire.
The above-mentioned steel bar 20 of laterally putting more energy into is square plate or trapezoidal steel plate or L shaped steel plate or T steel plate or form steel plate or deformed steel flats or above-mentioned combination.
Laterally put more energy into steel bar 20 along steel pipe 10 external surfaces axially uniformly-spaced or the unequal interval setting in the every group of above-mentioned steel bar group of laterally putting more energy into, external surface at steel pipe 10 circumferentially is evenly equipped with one group or two groups or three groups or four groups, and two groups of namely adjacent angles of laterally putting more energy between the steel bar group can be: 180 ° or 120 ° or 90 °.
The above-mentioned steel bar 30 of vertically putting more energy into is reinforcing bar or steel bar or narrow steel plate or steel cable or steel wire.
The length of the length≤steel pipe 10 of the above-mentioned steel bar 30 of vertically putting more energy into.The steel bar 30 of vertically putting more energy into is arranged on laterally putting more energy between the steel bar 20 of steel pipe rear portion, also can run through all steel bars 20 of laterally putting more energy into of the every group of steel bar group of laterally putting more energy into.
The above-mentioned steel bar 30 of vertically putting more energy into is located at laterally put more energy into steel bar 20 middle parts 201 or the outer end 202 or be positioned at middle part 201 and outer end 202 simultaneously of the every group of steel bar group of laterally putting more energy into.The steel bar 30 of vertically putting more energy into that is arranged on the outer end 202 of the steel bar 20 of laterally putting more energy into can pass the through hole setting on steel bar 20 outer ends 202 of laterally putting more energy into, and also can be arranged on the surface of steel bar 20 outer ends 202 of laterally putting more energy into.
The front end 102 of above-mentioned steel pipe 10 is pointed closed head.The injected hole 40 of present embodiment is positioned at the rear end of the steel bar of laterally putting more energy into of the front end 102 of adjacent steel pipe 10.
The external diameter of above-mentioned steel pipe 10 is 40mm-300mm, and pipe thickness is 2mm-20mm.
The present invention can be used for pattern foundation pit supporting structure separately, also can freely form various composite constructions with cement mixing pile, timber, mini pile etc. and be used for pattern foundation pit supporting structure.
Above-described embodiment only is one of preferred embodiment of the present utility model; be not to limit practical range of the present utility model with this; so: all equivalences of doing according to shape of the present utility model, structure, principle change, and all should be covered by within the protection domain of the present utility model.
Claims (9)
1. major diameter soil nailing, it is characterized in that: the external surface of steel pipe circumferentially is evenly equipped with one group of above steel bar group of laterally putting more energy into, the every group of steel bar group of laterally putting more energy into includes one with the steel bar of laterally putting more energy into of upper edge outer surface of steel tube axially spaced-apart setting, be provided with vertically the put more energy into steel bar parallel with steel pipe more than one between the steel bar laterally putting more energy into of the every group of steel bar group of laterally putting more energy into, steel pipe is provided with the fluid injection through hole, steel pipe and laterally put more energy between the steel bar, laterally put more energy into steel bar and the affixed formation steel pipe skeleton between the steel bar of vertically putting more energy into, at steel pipe, be enclosed with the steel pipe outside the steel bar of laterally putting more energy into and the steel bar of vertically putting more energy into is the cement soil block that the cylindrical shape that forms is stirred in the rotating shaft rotation
2. a kind of major diameter soil nailing according to claim 1 is characterized in that: the end of described steel pipe, vertically the put more energy into end of steel bar is fixed in the steel concrete surface layer.
3. a kind of major diameter soil nailing according to claim 1 is characterized in that: the outer felt of described steel pipe skeleton is wound with the spiral steel bar of putting more energy into.
4. a kind of major diameter soil nailing according to claim 3 is characterized in that: the described spiral steel bar of putting more energy into is reinforcing bar or steel bar or narrow steel plate or steel cable or steel wire.
5. a kind of major diameter soil nailing according to claim 1, it is characterized in that: the described steel bar of laterally putting more energy into is square plate or trapezoidal steel plate or L shaped steel plate or T steel plate or form steel plate or deformed steel flats or above-mentioned combination.
6. a kind of major diameter soil nailing according to claim 1, it is characterized in that: the steel bar of laterally putting more energy in the described every group of steel bar group of laterally putting more energy into is along the setting of outer surface of steel tube axially spaced-apart, circumferentially is evenly equipped with one group or two groups or three groups or four groups at the external surface of steel pipe.
7. a kind of major diameter soil nailing according to claim 1, it is characterized in that: the described steel bar of vertically putting more energy into is reinforcing bar or steel bar or narrow steel plate or steel cable or steel wire.
8. a kind of major diameter soil nailing according to claim 1 is characterized in that: the length of the length≤steel pipe of the described steel bar of vertically putting more energy into.
9. a kind of major diameter soil nailing according to claim 1 is characterized in that: the described steel bar of vertically putting more energy into be located at the every group of steel bar group of laterally putting more energy into the steel bar of laterally putting more energy into middle part or outer end or be positioned at middle part and outer end simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019304 CN203049578U (en) | 2013-01-14 | 2013-01-14 | Large-diameter soil nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019304 CN203049578U (en) | 2013-01-14 | 2013-01-14 | Large-diameter soil nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203049578U true CN203049578U (en) | 2013-07-10 |
Family
ID=48732549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019304 Expired - Fee Related CN203049578U (en) | 2013-01-14 | 2013-01-14 | Large-diameter soil nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203049578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061339A (en) * | 2013-01-14 | 2013-04-24 | 胡忠志 | Large-diameter soil nail |
| CN107642095A (en) * | 2017-06-02 | 2018-01-30 | 杨昌亚 | A kind of Composition Soil Nailing Walls strengthen the construction method of foundation pit side-wall rigidity |
-
2013
- 2013-01-14 CN CN 201320019304 patent/CN203049578U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061339A (en) * | 2013-01-14 | 2013-04-24 | 胡忠志 | Large-diameter soil nail |
| CN103061339B (en) * | 2013-01-14 | 2015-11-18 | 胡忠志 | A kind of large-diameter soil nail |
| CN107642095A (en) * | 2017-06-02 | 2018-01-30 | 杨昌亚 | A kind of Composition Soil Nailing Walls strengthen the construction method of foundation pit side-wall rigidity |
| CN107642095B (en) * | 2017-06-02 | 2020-04-17 | 杨昌亚 | Construction method for reinforcing rigidity of side wall of foundation pit by composite soil nailing wall support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104032737B (en) | Construction method and the structure of pressure dispersing type enlarged footing anchor pole | |
| CN101851925A (en) | Deep mixing pile-micro pre-stressed steel pipe concrete pile-vertical anchor rod composite foundation pit support method | |
| CN101775814B (en) | Anti-slip cement soil pile soil blocking structure and construction method thereof | |
| CN101560775A (en) | Composite soil nailing wall structure | |
| JP2015183364A (en) | Method for preventing soil structure from sliding at slope surface layer with geocell fixing operation auxiliary means | |
| CN202595728U (en) | Prestressed concrete support pilling wall | |
| CN104196017A (en) | Method for preventing lava zone hole punching/drilling cast-in-place pile mud leakage and hole collapse | |
| CN202519676U (en) | Soft oil foundation pit anchor bolt supporting structure with anchored wall | |
| CN102605779B (en) | High-anti-pulling anchor rod supporting structure for soft soil foundation pit and construction method of high-anti-pulling anchor rod supporting structure | |
| CN203049578U (en) | Large-diameter soil nail | |
| CN201649076U (en) | Inversed Y-type single-row unidirectional rotary spraying, mixing and reinforcing combined tangent pile | |
| CN202187340U (en) | Socketed pile with concrete-filled steel tube core column | |
| CN202124855U (en) | Rotary drilling prefabricate composite pile | |
| CN203049579U (en) | Steel tube framework for soil nail with large diameter | |
| CN202672161U (en) | Cement-soil mixing drum sheet-pile united slope structure with soil nails | |
| CN202247910U (en) | Soil retaining structure with different inclination angles of anti-skid cement soil pile | |
| CN202519669U (en) | Bidirectional cutting and stirring reinforced type anchor rod for supporting weak soil foundation pit | |
| CN202430724U (en) | Cemented soil gravity type enclosure wall applied with pre-stress | |
| CN104480947A (en) | Construction method of prestress cast-in-place pile and soil cement pile engagement support | |
| CN202139604U (en) | Cast-in-situ abnormal reinforced concrete pile core cement soil underground continuous wall for retaining and protection for foundation excavation | |
| CN201722684U (en) | Compound pile | |
| CN201567579U (en) | Foundation pit supporting structure of gantry pine pile anchored rod | |
| CN204780943U (en) | H type precast concrete pile and excavation supporting device | |
| CN203866824U (en) | Pressure-dispersing type expansion anchor rod structure | |
| CN103061339B (en) | A kind of large-diameter soil nail |
Legal Events
| 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: 20130710 Termination date: 20160114 |