CN104947662A - Soil nailing wall supporting system based on assembly type recoverable process - Google Patents
Soil nailing wall supporting system based on assembly type recoverable process Download PDFInfo
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- CN104947662A CN104947662A CN201510279640.5A CN201510279640A CN104947662A CN 104947662 A CN104947662 A CN 104947662A CN 201510279640 A CN201510279640 A CN 201510279640A CN 104947662 A CN104947662 A CN 104947662A
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Abstract
The invention relates to a soil nailing wall supporting system based on the assembly type recoverable process in the field of civil engineering. The system comprises a plurality of soil nails, a plurality of joints, a plurality of keels and a plurality of panels. The joints are laid on the slope face as a horizontal straight line and spaced by a set distance. The joints cover the slope face one layer by one layer. One ends of the soil nails penetrate through holes of the joints and are inserted into the slope face. Every two adjacent joints in the same layer are connected through the keels. The panels are fixed between the two adjacent layers. The supporting system is high in structural stability, and all the supporting structural members can be machined in factories, and can be assembled for construction; supporting materials can be recovered and reutilized, and in this way, resources can be saved; the construction cost is saved, and in addition, the supporting materials will not be left underground.
Description
Technical field
The present invention relates to a kind of soil-nail wall support system based on the recyclable technique of assembling.
Background technology
Soil-nail wall support is a kind of conventional support technology in foundation ditch, slope project, jointly forms force structure by the soil body, surface layer between soil nailing, nail, and traditional method be first linked network spray plane after construction soil nailing.Put into reinforcing bar after current soil nailing way is generally pore-forming, then slip casting, the soil nailing body of rod generally adopts reinforcing bar, also has a kind of way to be exactly directly be driven into steel pipe as soil nailing.Surface layer way is at domatic assembling reinforcement net at present substantially, then sprayed mortar.The result done like this is that after pit backfill, material can not reclaim, and directly imbeds underground, not only causes waste of material, and to geology environment, meanwhile, soil nailing of having constructed may become the obstacle of the newly-built underground engineering construction of periphery, affects follow-up underground space development.
Summary of the invention
Object of the present invention is exactly to solve the problem, and provides the soil-nail wall support system based on the recyclable technique of assembling that a kind of stability is high, utilization rate is high.
To achieve these goals, the present invention adopts following technical scheme:
A kind of soil-nail wall support system based on the recyclable technique of assembling, comprise multiple soil nailing, multiple node, multiple keel and multiple panel, multiple node with a horizontal linear be laid on domatic on, the distance of multiple node separation setting, node cover layer by layer domatic on, one end of described soil nailing through the hole of described node be inserted into domatic in, connected by described keel between two nodes adjacent in same layer, described multiple panel be fixed on adjacent two-layer between.
Further, soil nailing is recyclable non-slip casting soil nailing.
Further, panel adopts precast concrete facade panel.
Further, the edge of a wing of node is cross.
Further, keel adopt T-steel.
Further, by when described node installation is on domatic, the termination of described soil nailing is fixed by special anchor head and described node.
Further, join single-layer bidirectional steel mesh reinforcement in described panel, steel mesh reinforcement end is welded with steel sheet, and the end of panel covers iron sheet, for preventing panel end from destroying in installation and unloading process, and panel end prepared screw-bolt hole.
Further, between adjacent two described panels, adopt sealant sealing, to possess water-proof function in the junction of described panel and described keel.
Further, the shape of soil-nail wall support system is the shape being fixed with polylith panel between many parallel straight lines.
Compared with prior art, the present invention has following beneficial effect:
1) all supporting and protection structure components can carry out batch production processing, can assemble and construct;
2) the recyclable of support material and recycling is realized, like this can saving resource, save construction cost, support material can not stay underground, cause obstruction can not to later stage underground development;
3) by laying node, soil nailing, keel and panel, safeguard structure is simple, and mutual compact siro spinning technology between all parts, whole soil-nail wall support system stability is high.
Accompanying drawing explanation
Fig. 1 is assembling recoverable soil nail wall supporting method structural representation of the present invention.
Fig. 2 is the present invention's recyclable non-slip casting soil nailing used.
Fig. 3 (a) is soil nailing termination nodal plane figure.
Fig. 3 (b) is soil nailing termination node side cut away view.
Fig. 4 is that node is connected way and in domatic position with soil nailing.
Fig. 5 (a) is the junction way facade of T-steel and T-steel.
Fig. 5 (b) is the sectional view of the junction way vertical direction of T-steel and T-steel.
Fig. 6 is T-steel and panel connection diagram.
Fig. 7 is precast concrete facade panel termination way.
Fig. 8 is precast concrete facade panel way.
Wherein: 1. soil nailing termination node, 2. keel, 3. panel, 4. special anchor head, 5. soil nailing, 6. node, 7. bolt, 8. the first steel plate, 9. the second steel plate, 10. two-way concrete slab net, 11. steel sheets, 12. bolts hole, 13. iron sheets.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
A kind of soil-nail wall support system based on the recyclable technique of assembling, comprise multiple soil nailing 5, multiple node 6, multiple keel 2 and multiple panel 3, multiple node 6 with a horizontal linear be laid on domatic on, the distance of multiple node separation setting, node cover layer by layer domatic on, the node on upper strata point-blank, the straight line parallel that the straight line of the node formation of lower floor and upper layer node are formed, simultaneously, from longitudinal, multiple node is on vertical straight line, one end of described soil nailing 5 through the hole of described node 6 be inserted into domatic in, the other end of soil nailing 5 is stayed outside node 6, be commonly referred to soil nailing termination node 1, connected by described keel 2 between two nodes 6 adjacent in same layer, described multiple panel 3 be fixed on adjacent two-layer between, in same layer, the intermediate node of two nodes is connected with keel, and consider the length of preseting length and keel, keel are connected with keel, and keel are connected with node, during fixed panel, panel is connected with node, and panel is connected with keel.
Further, soil nailing 5 is recyclable non-slip casting soil nailing.
Further, panel 3 adopts precast concrete facade panel.
Further, the edge of a wing of node 6 is cross.
Further, keel 2 adopt T-steel.
Further, described node 6 is arranged on domatic upper time, the termination of described soil nailing 5 is fixed with described node by special anchor head 4.
Further, in described panel 3, join single-layer bidirectional steel mesh reinforcement, steel mesh reinforcement end is welded with steel sheet 11, and the end of panel 3 covers iron sheet 13, for preventing panel 3 end from destroying in installation and unloading process, and panel end prepared screw-bolt hole 12.
Further, between adjacent two panels 3, at described panel 3, sealant sealing is adopted, to possess water-proof function with the junction of described keel 2.
Further, the shape of soil-nail wall support system is the shape being fixed with polylith panel between many parallel straight lines.
Figure 1 shows that assembling recoverable soil nail wall supporting and protection structure scheme of installation, erection sequence is soil nailing 5 of first constructing, soil nailing 5 has been constructed rear installation node 6, the assembling of soil nailing and node forms soil nailing termination node 1, then laterally keel 2 are installed, keel 2 and soil nailing termination are saved, and 1 connects, last installation panel 3.Continue the lower one deck of excavation after this layer of supporting completes, then supporting and protection structure component is installed, until foundation pit construction completes.
Fig. 2 is novel recoverable soil nail, and this recoverable soil nail is spin soil nailing, without the need to punching, utilizes mechanical drilling tool directly will spin in the powerful precession soil body of soil nailing, utilizes rig circulation in the other direction, extracted by soil nailing 5, realize the recycling of soil nailing 5 during pit backfill.Require the soil nailing 5 selecting dimension according to design tension, anti-pulling capacity, and carry out on-the-spot pull-out test before construction, determine that soil nailing 5 meets design requirement.The termination of soil nailing 5 is connected with node 6 shown in Fig. 3, node 6 shown in Fig. 3 adopts Plate Welding to form, the edge of a wing of node is cross, as panel 3 size is consistent with the vertical spacing of soil nailing, then the horizontal edge of a wing is directly connected with T-steel, as size does not match, connects longitudinal T-steel on longitudinal edge of a wing, lateral keel, according to panel size adjusting position, is then connected with longitudinal T-steel.
In domatic position as shown in Figure 4, the edge of a wing and domatic flat, special anchor head 4 is installed with stationary nodes 6 in soil nailing 5 termination to node, should ensure not stretch out domatic, in case be affected during installation panel 3 during the construction of soil nailing 5 termination.
Connection between T-steel keel adopts the method shown in Fig. 5, and in Fig. 5,2 is T-steel keel, and T-steel and the first steel plate 8, second steel plate 9 are holed in advance, adopts bolt 7 to be connected with panel 3.The connection of T-steel and node 6 is also with reference to Fig. 5 way.
T-steel keel are connected way with prefabricated panel 3 to carry out according to Fig. 6, steel plate 8 is holed in advance, and the T-steel edge of a wing adopts tapping machine tapping in advance, and silk hole gauge lattice need be consistent with hexagon socket head cap screw, precast concrete facade panel end prepared screw-bolt hole, to facilitate the connection of panel 3 and keel 2.Panel adopts precast concrete facade panel, as shown in Figure 7,8, inside joins single-layer bidirectional steel mesh reinforcement 10, steel mesh reinforcement end is welded with steel sheet 11, panel end covers iron sheet 13, prevents panel 3 end from destroying in installation and unloading process, panel 3 end prepared screw-bolt hole 12.
Adopt sealant sealing in the junction of panel and panel, panel and keel after above installation work completes, play the effect of waterproof, domatic to prevent rainwater from flowing into, the soil body is impacted.
After soil-nail wall support function terminates, successively remove panel 3, keel 2, node 6, soil nailing 5 successively, so can realize recycling.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the soil-nail wall support system based on the recyclable technique of assembling, it is characterized in that, comprise multiple soil nailing, multiple node, multiple keel and multiple panel, multiple node with a horizontal linear be laid on domatic on, the distance of multiple node separation setting, node cover layer by layer domatic on, one end of described soil nailing through the hole of described node be inserted into domatic in, connected by described keel between two nodes adjacent in same layer, described multiple panel be fixed on adjacent two-layer between.
2. a kind of soil-nail wall support system based on the recyclable technique of assembling as claimed in claim 1, it is characterized in that, described soil nailing is recyclable non-slip casting soil nailing.
3. a kind of soil-nail wall support system based on the recyclable technique of assembling as claimed in claim 1, is characterized in that, described panel adopts precast concrete facade panel.
4. a kind of soil-nail wall support system based on the recyclable technique of assembling as claimed in claim 1, it is characterized in that, the edge of a wing of described node is cross.
5. a kind of soil-nail wall support system based on the recyclable technique of assembling as claimed in claim 1, is characterized in that, described keel adopt T-steel.
6. a kind of soil-nail wall support system based on the recyclable technique of assembling as claimed in claim 1, is characterized in that, by when described node installation is on domatic, the termination of described soil nailing is fixed by special anchor head and described node.
7. a kind of soil-nail wall support system based on the recyclable technique of assembling as claimed in claim 1, it is characterized in that, single-layer bidirectional steel mesh reinforcement is joined in described panel, steel mesh reinforcement end is welded with steel sheet, the end of panel covers iron sheet, for preventing panel end from destroying in installation and unloading process, panel end prepared screw-bolt hole.
8. a kind of soil-nail wall support system based on the recyclable technique of assembling as claimed in claim 1, is characterized in that, between adjacent two described panels, adopt sealant sealing, to possess water-proof function in the junction of described panel and described keel.
9. a kind of soil-nail wall support system based on the recyclable technique of assembling as claimed in claim 1, is characterized in that, the shape of described soil-nail wall support system is the shape being fixed with polylith panel between many parallel straight lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279640.5A CN104947662B (en) | 2015-05-27 | 2015-05-27 | A kind of soil-nail wall support system based on the recyclable technique of assembled |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510279640.5A CN104947662B (en) | 2015-05-27 | 2015-05-27 | A kind of soil-nail wall support system based on the recyclable technique of assembled |
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| CN104947662A true CN104947662A (en) | 2015-09-30 |
| CN104947662B CN104947662B (en) | 2017-12-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672325A (en) * | 2016-01-22 | 2016-06-15 | 山东大学 | Recoverable assembly type composite soil nailing wall supporting structure system based on anchor cables and soil nails |
| CN107304566A (en) * | 2016-04-19 | 2017-10-31 | 郑州大学 | A kind of detachable soil nailing wall board structure |
| CN107524149A (en) * | 2017-07-31 | 2017-12-29 | 北京市勘察设计研究院有限公司 | Assembled soil nailing wall and construction and dismantling method thereof |
| CN110265800A (en) * | 2019-05-21 | 2019-09-20 | 中国建筑第八工程局有限公司 | Based on the earthing or grounding means and its construction method under the conditions of plate brad supporting |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672325A (en) * | 2016-01-22 | 2016-06-15 | 山东大学 | Recoverable assembly type composite soil nailing wall supporting structure system based on anchor cables and soil nails |
| CN105672325B (en) * | 2016-01-22 | 2017-12-05 | 山东大学 | Recyclable assembled Foundation Supported with Composite Soil Nailing system based on anchor cable and soil nailing |
| CN107304566A (en) * | 2016-04-19 | 2017-10-31 | 郑州大学 | A kind of detachable soil nailing wall board structure |
| CN107304566B (en) * | 2016-04-19 | 2019-05-31 | 郑州大学 | A kind of detachable soil nailing wall board structure |
| CN107524149A (en) * | 2017-07-31 | 2017-12-29 | 北京市勘察设计研究院有限公司 | Assembled soil nailing wall and construction and dismantling method thereof |
| CN107524149B (en) * | 2017-07-31 | 2020-02-11 | 北方工业大学 | Assembled soil nailing wall and construction and dismantling method thereof |
| CN110265800A (en) * | 2019-05-21 | 2019-09-20 | 中国建筑第八工程局有限公司 | Based on the earthing or grounding means and its construction method under the conditions of plate brad supporting |
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| CN104947662B (en) | 2017-12-05 |
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