CN204780933U - Shoring of trench landing stage system - Google Patents
Shoring of trench landing stage system Download PDFInfo
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- CN204780933U CN204780933U CN201520367030.6U CN201520367030U CN204780933U CN 204780933 U CN204780933 U CN 204780933U CN 201520367030 U CN201520367030 U CN 201520367030U CN 204780933 U CN204780933 U CN 204780933U
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- foundation ditch
- trestle
- horizontal support
- supports
- central authorities
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Abstract
The utility model provides a shoring of trench landing stage system, include: enclose the underground continuous wall who establishes along the foundation ditch inner wall, set up in vertical braces in the foundation ditch, set up in multilayer horizontal support in the foundation ditch, each layer horizontal support's periphery connect in underground continuous wall, vertical braces wear to establish connect in horizontal support, and lie in the top layer the horizontal support upper berth be equipped with be used for with the foundation ditch divide into the sectionalized landing stage system of a plurality of excavations, the landing stage system includes the edge the peripheral lifting landing stage of foundation ditch that the foundation ditch periphery was laid foundation ditch that foundation ditch central authorities laid central authorities' landing stage and connect in foundation ditch central authorities landing stage with the slope landing stage of the peripheral lifting landing stage of foundation ditch. The utility model provides a current support design system reasonable scheduling problem inadequately.
Description
Technical field
The utility model relates to the realm of building construction, is specifically related to a kind of foundation ditch and supports trestle system.
Background technology
Along with the quickening of urbanization process and the minimizing day by day of land resources, all kinds of building in city starts to develop to the underground space, the basis being embodied in building is more and more darker, the foundation ditch of the ultra-deep that increasing floor space is large, flat shape is complicated particularly occurred in the last few years., cutting depth large for foundation ditch area is dark, the foundation ditch that soil excavation difficulty is large, and irrational supported design system not only can increase financial cost, also can affect unearthed efficiency, incur loss through delay construction speed.Therefore, be necessary to propose the best support trestle system adapted for multi-form huge ultradeep foundation pit engineering, thus ensure pattern foundation pit supporting structure safety, reduce engineering cost, improve efficiency of being unearthed, shorten the cycle of being unearthed.
Utility model content
For overcoming the defect existing for prior art, a kind of foundation ditch is now provided to support trestle system, to solve the problems such as existing supported design system is reasonable not.
For achieving the above object, a kind of foundation ditch supports trestle system, comprising: the diaphragm wall enclosed along foundation ditch inwall; Be arranged at the vertical supporting in described foundation ditch; The multiple-layer horizontal be arranged in described foundation ditch supports, and described in every one deck, the periphery of horizontal support is connected to described diaphragm wall, and described vertical supporting wears and is connected to described horizontal support; And the trestle bridge system be equipped with on the described horizontal support being positioned at top layer for described foundation ditch being divided into multiple excavation in zones, described trestle bridge system comprises the foundation ditch periphery lifting trestle along described foundation ditch periphery laying, the foundation ditch central authorities' trestle in the laying of described foundation ditch central authorities and is connected to the slope trestle of described foundation ditch central authorities' trestle and described foundation ditch periphery lifting trestle.
The further improvement that the utility model foundation ditch supports trestle system is, described trestle bridge system also comprises and is adjacent to described foundation ditch central authorities' trestle and to the projecting inward construction bridge of described excavation in zones.
The further improvement that the utility model foundation ditch supports trestle system is, described horizontal support comprises support and the angle brace being located at described foundation ditch corner.
The further improvement that the utility model foundation ditch supports trestle system is, described diaphragm wall is embedded with to the projecting inward embedded bar of described foundation ditch, and the periphery of described horizontal support is connected to described embedded bar by enclosing purlin.
The further improvement that the utility model foundation ditch supports trestle system is, described vertical supporting is steel lattice column.
The further improvement that the utility model foundation ditch supports trestle system is, is provided with the high-pressure rotary jet grouting pile for shutoff sealing between described diaphragm wall and described foundation ditch inwall.
The beneficial effects of the utility model are, by arranging vertical supporting and horizontal support in foundation ditch, and on the described horizontal support being positioned at top layer, lay trestle bridge system, described foundation ditch is divided into multiple excavation in zones by trestle bridge system, thus during soil excavation, multiple described excavation in zones can carry out excavation operation simultaneously, improve the shoveling efficiency of digging machine, effectively accelerate shoveling progress, shorten the shoveling cycle, solve the problems such as existing supported design system is reasonable not.
Accompanying drawing explanation
Fig. 1 to Fig. 4 is the Construction State figure that the utility model foundation ditch supports trestle system.
Fig. 5 is the application schematic diagram that the utility model foundation ditch supports trestle system.
Detailed description of the invention
For the benefit of to the understanding of structure of the present utility model, be described below in conjunction with drawings and Examples.
Please refer to Fig. 1 to Fig. 4, Fig. 1 to Fig. 4 is the Construction State figure that the utility model foundation ditch supports trestle system.As shown in Figures 1 to 4, the utility model provides a kind of foundation ditch and supports trestle system, comprising: the diaphragm wall 2 enclosed along foundation ditch 1 inwall; Be arranged at the vertical supporting 3 in foundation ditch 1; The multiple-layer horizontal be arranged in foundation ditch 1 supports 4, and the periphery of every one deck horizontal support 4 is connected to diaphragm wall 2, and vertical supporting 3 wears and is connected to horizontal support 4; And the trestle bridge system 5 be equipped with on the horizontal support 4 being positioned at top layer for foundation ditch 1 being divided into multiple excavation in zones 10, trestle bridge system 5 comprises the foundation ditch periphery lifting trestle 50 along the laying of foundation ditch 1 periphery, the foundation ditch central authorities' trestle 51 in the laying of foundation ditch 1 central authorities and is connected to the slope trestle 52 of foundation ditch central authorities' trestle 51 and foundation ditch periphery lifting trestle 50.
Below said modules is described in detail.
As shown in Figure 1, the utility model adopts diaphragm wall 2 as the space enclosing structure in excavation stage, simultaneously as the agent structure exterior wall of serviceability limit stage.Diaphragm wall 2 thickness can be 1m, is provided with the high-pressure rotary jet grouting pile for shutoff sealing between diaphragm wall 2 and foundation ditch 1 inwall; Preferably, between diaphragm wall 2 and foundation ditch 1 inwall, the described high-pressure rotary jet grouting pile shutoff sealing that three diameters are 1m is set every a segment distance.Further, diaphragm wall 1 is embedded with to the projecting inward embedded bar of foundation ditch 1.
As shown in Figure 2, vertical supporting 3 can be the steel lattice column that employing four L14 (16) equal leg angles and batten plate are welded, and steel lattice column 3 lower end and engineering pile reinforcing cage are connected and fixed in rear insertion stake holes shaping with C35 concreting.According to designing requirement, the error of perpendicularity that steel lattice column 3 is constructed is not more than 1%, and the effective depth inserted in bored pile is no less than 3m, concrete must be had to bond within the scope of the above 6m of hole end absolute altitude, to ensure that steel lattice column 3 is stablized.
As shown in Figures 2 and 3, two horizontal supporting layers 4 is set in foundation ditch 1, certainly, in other embodiments, also can be two-layer more than.The purlin 6 that encloses of horizontal support 4 periphery is tightly connected by the embedded bar of diaphragm wall 2, and it is inner that steel lattice column 3 inserts horizontal support 4, is formed overall.Horizontal support 4 comprises multiple to support 40 and the angle brace 41 being located at foundation ditch 1 corner, is connected to diaphragm wall 1 or adjacent to support 40 to the opposite end of support 40.
As shown in Figure 4, the horizontal support 4 being positioned at the top is equipped with the trestle bridge system 5 for foundation ditch 1 being divided into multiple excavation in zones 10, and trestle bridge system 5 comprises the foundation ditch periphery lifting trestle 50 along the laying of foundation ditch 1 periphery, the foundation ditch central authorities' trestle 51 in the laying of foundation ditch 1 central authorities and is connected to the slope trestle 52 of foundation ditch central authorities' trestle 51 and foundation ditch periphery lifting trestle 50.More preferably, for the ease of excavator construction and placing of material, trestle bridge system 5 also comprises and is adjacent to foundation ditch central authorities' trestle 51 and to the projecting inward construction bridge 53 of excavation in zones 10, excavator can rest on construction bridge 53, and cut the earth in excavation in zones 10, excavator also temporarily can be deposited in digging out the soil come on construction bridge 53.Foundation ditch central authorities trestle 51, foundation ditch periphery lifting trestle 50 and slope trestle 52 can as the passages of haulage vehicle.
After having said structure feature, composition graphs 1 to Fig. 5, Fig. 5 are the application schematic diagram that the utility model foundation ditch supports trestle system, and the utility model can by following implementation Process:
First, as shown in Figure 1, the space enclosing structure of diaphragm wall 2 as the excavation stage is enclosed along foundation ditch 1 inwall, between diaphragm wall 2 and foundation ditch 1 inwall, arrange every a segment distance the described high-pressure rotary jet grouting pile shutoff sealing that three diameters are 1m, diaphragm wall 1 is buried underground to the projecting inward embedded bar of foundation ditch 1;
Secondly, as shown in Figure 2, in foundation ditch 1, arrange vertical supporting 3, vertical supporting 3 is steel lattice columns that employing four L14 (16) equal leg angles and batten plate are welded, and steel lattice column 3 lower end and engineering pile reinforcing cage are connected and fixed in rear insertion stake holes shaping with C35 concreting;
Then, as shown in Figures 2 and 3, arrange two horizontal supporting layers 4 in foundation ditch 1, the purlin 6 that encloses of every one deck horizontal support 4 periphery is tightly connected by the embedded bar of diaphragm wall 2, and it is inner that steel lattice column 3 inserts horizontal support 4, is formed overall;
Then, as shown in Figure 4, the horizontal support 4 being positioned at top layer lays trestle bridge system 5, wherein, foundation ditch periphery lifting trestle 50 is laid along foundation ditch 1 periphery, at foundation ditch 1 central laying foundation ditch central authorities trestle 51, lay the slope trestle 52 being connected to foundation ditch central authorities' trestle 51 and foundation ditch periphery lifting stack 50, and laying is adjacent to the central trestle 51 of foundation ditch and the construction bridge 53 projecting inward to described region;
Finally, as shown in Figure 5, because foundation ditch 1 is decomposed into multiple excavation in zones 10 by trestle bridge system 5, during soil excavation, multiple excavation in zones 10 carries out excavation operation simultaneously, digging machine carries out shoveling entrucking on construction bridge 53, and each described region adopts central island-type excavation method to carry out excavation operation, and the passage of haulage vehicle backhauls the defeated soil dug out on foundation ditch central authorities trestle 51, foundation ditch periphery lifting trestle 50 and slope trestle 52.
The beneficial effects of the utility model are:
By arranging vertical supporting and horizontal support in foundation ditch, and on the described horizontal support being positioned at top layer, lay trestle bridge system, described foundation ditch is divided into multiple excavation in zones by trestle bridge system, thus during soil excavation, multiple described excavation in zones can carry out excavation operation simultaneously, improves the shoveling efficiency of digging machine, effectively accelerates shoveling progress, shorten the shoveling cycle, solve the problems such as existing supported design system is reasonable not.
Below embodiment has been described in detail the utility model by reference to the accompanying drawings, and those skilled in the art can make many variations example to the utility model according to the above description.Thus, some details in embodiment should not formed restriction of the present utility model, the utility model by the scope that defines using appended claims as protection domain.
Claims (6)
1. foundation ditch supports a trestle system, it is characterized in that, comprising:
Along the diaphragm wall that foundation ditch inwall encloses;
Be arranged at the vertical supporting in described foundation ditch;
The multiple-layer horizontal be arranged in described foundation ditch supports, and described in every one deck, the periphery of horizontal support is connected to described diaphragm wall, and described vertical supporting wears and is connected to described horizontal support; And
The described horizontal support being positioned at top layer is equipped with the trestle bridge system for described foundation ditch being divided into multiple excavation in zones, and described trestle bridge system comprises the foundation ditch periphery lifting trestle along described foundation ditch periphery laying, the foundation ditch central authorities' trestle in the laying of described foundation ditch central authorities and is connected to the slope trestle of described foundation ditch central authorities' trestle and described foundation ditch periphery lifting trestle.
2. foundation ditch according to claim 1 supports trestle system, it is characterized in that, described trestle bridge system also comprises and is adjacent to described foundation ditch central authorities' trestle and to the projecting inward construction bridge of described excavation in zones.
3. foundation ditch according to claim 1 supports trestle system, it is characterized in that, described horizontal support comprises support and the angle brace being located at described foundation ditch corner.
4. foundation ditch according to claim 1 supports trestle system, and it is characterized in that, described diaphragm wall is embedded with to the projecting inward embedded bar of described foundation ditch, and the periphery of described horizontal support is connected to described embedded bar by enclosing purlin.
5. foundation ditch according to claim 1 supports trestle system, and it is characterized in that, described vertical supporting is steel lattice column.
6. foundation ditch according to claim 1 supports trestle system, it is characterized in that, is provided with the high-pressure rotary jet grouting pile for shutoff sealing between described diaphragm wall and described foundation ditch inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520367030.6U CN204780933U (en) | 2015-06-01 | 2015-06-01 | Shoring of trench landing stage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520367030.6U CN204780933U (en) | 2015-06-01 | 2015-06-01 | Shoring of trench landing stage system |
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| Publication Number | Publication Date |
|---|---|
| CN204780933U true CN204780933U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520367030.6U Expired - Fee Related CN204780933U (en) | 2015-06-01 | 2015-06-01 | Shoring of trench landing stage system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625437A (en) * | 2016-01-13 | 2016-06-01 | 中国建筑第八工程局有限公司 | Earth excavation method under annular support of deep foundation pit |
| CN106013164A (en) * | 2016-06-23 | 2016-10-12 | 程华清 | Construction method for multifunctional trestle of foundation pit |
| CN106120805A (en) * | 2016-06-23 | 2016-11-16 | 程华清 | The construction method of the ultra-deep foundation pit supporting under dilapidated house environment |
| CN113502824A (en) * | 2021-07-08 | 2021-10-15 | 中国建筑第八工程局有限公司 | Construction method for quickly unearthing annular road in deep foundation pit by combining trestle with construction method |
| CN113653062A (en) * | 2021-08-16 | 2021-11-16 | 中国建筑第八工程局有限公司 | Construction method for quickly unearthing deep foundation pit by utilizing trestle to combine with road in pit |
-
2015
- 2015-06-01 CN CN201520367030.6U patent/CN204780933U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625437A (en) * | 2016-01-13 | 2016-06-01 | 中国建筑第八工程局有限公司 | Earth excavation method under annular support of deep foundation pit |
| CN106013164A (en) * | 2016-06-23 | 2016-10-12 | 程华清 | Construction method for multifunctional trestle of foundation pit |
| CN106120805A (en) * | 2016-06-23 | 2016-11-16 | 程华清 | The construction method of the ultra-deep foundation pit supporting under dilapidated house environment |
| CN106120805B (en) * | 2016-06-23 | 2019-09-13 | 程华清 | The construction method of ultra-deep foundation pit supporting under dilapidated house environment |
| CN113502824A (en) * | 2021-07-08 | 2021-10-15 | 中国建筑第八工程局有限公司 | Construction method for quickly unearthing annular road in deep foundation pit by combining trestle with construction method |
| CN113653062A (en) * | 2021-08-16 | 2021-11-16 | 中国建筑第八工程局有限公司 | Construction method for quickly unearthing deep foundation pit by utilizing trestle to combine with road in pit |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20200601 |