CN207944462U - A kind of lattice steel member-pouch combination diagonal brace foundation pit supporting construction - Google Patents
A kind of lattice steel member-pouch combination diagonal brace foundation pit supporting construction Download PDFInfo
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- CN207944462U CN207944462U CN201820136458.3U CN201820136458U CN207944462U CN 207944462 U CN207944462 U CN 207944462U CN 201820136458 U CN201820136458 U CN 201820136458U CN 207944462 U CN207944462 U CN 207944462U
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- foundation pit
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Abstract
The utility model is related to construction engineering technical field, especially a kind of lattice steel member pouch combines diagonal brace foundation pit supporting construction, it is characterised in that:The supporter is lattice steel member, and the lattice steel member has lattice hole, and in the pouch that is internally provided with of the lattice steel member, the pouch forms the slip casting enlarged body across the lattice hole by slip casting.The utility model has the advantages that:The advantage of lattice steel member and pouch respectively is utilized well; lattice steel member has preferable resistance to compression and anti-bending strength; cancelled structure built-in pouch and can form protection; it is succinctly effectively combined with pouch by steel member; pouch can with slip casting, and can operative constraint and guiding slurries diffusion, ultimately form enlarged body; bearing capacity is effectively improved, larger load can be undertaken;Lattice steel member pouch combination diagonal brace forms effective foundation pit supporting construction together with fender body.
Description
Technical field
The utility model is related to construction engineering technical field, especially a kind of lattice steel member-pouch combines diagonal brace base
Pit supporting construction.
Background technology
Excavation pit need to carry out pattern foundation pit supporting structure in engineering construction, and traditional foundation pit supporting method mainly has bored concrete pile, soil cement
Mixing pile class fender body etc. combines horizontal struts system to form supporting construction, but set horizontally-supported leads to subsequent construction not
Just, increase the duration and the problems such as cost, therefore start inclined support structure occurred, preferably solve horizontally-supported existing above-mentioned ask
Topic.
Lattice steel member refers to passing through welding or connector with steel plate, angle steel, channel steel, I-steel, H profile steel, steel pipe etc.
It is common such as lattice column etc. the steel construction combined member that can bear and transmit load being formed by connecting, usually by channel steel and steel
Plate is composed.
Because steel member has preferable resistance to compression and anti-bending strength, therefore it can be used for the diagonal brace in pattern foundation pit supporting structure.But by lattice
Structure formula steel member is inserted directly into the beaer formed in soil, and bearing capacity is often limited, cannot undertake larger load, economy compared with
Difference, using being subject to certain restrictions.
Invention content
The purpose of this utility model is to provide a kind of lattice steel member-pouch according to above-mentioned the deficiencies in the prior art
Diagonal brace foundation pit supporting construction is combined, which is in lattice, pouch is arranged wherein, by pouch slip casting in steel member
Periphery forms slip casting enlarged body, increases the contact area with the periphery soil body, and then improve its bearing capacity, can undertake larger lotus
It carries, and construction technology is simple, better economy.
The utility model aim realization is completed by following technical scheme:
A kind of lattice steel member-pouch combination diagonal brace foundation pit supporting construction, institute's foundation pit supporting construction are included at least and are gone along with sb. to guard him
Body and supporter, the supporter are used to support the fender body, it is characterised in that:The supporter is lattice steel member,
The lattice steel member has lattice hole, and in the pouch that is internally provided with of the lattice steel member, the pouch passes through note
Slurry forms the slip casting enlarged body across the lattice hole.
The slip casting enlarged body is the single point-like slip casting enlarged body or more arranged along the lattice steel member length direction
Dotted slip casting enlarged body or full section shape slip casting enlarged body.
The pouch is connected with Grouting Pipe.
The pouch connects the Grouting Pipe by confining part.
The lattice steel member can be one or both of H profile steel, channel steel, I-steel, angle steel, steel plate and two kinds
Above combination.
The utility model has the advantages that:Lattice steel member is utilized in lattice steel member-pouch combination diagonal brace well
With the advantage of pouch respectively, lattice steel member has preferable resistance to compression and anti-bending strength, cancelled structure can built-in pouch
And protection is formed, it is succinctly effectively combined with pouch by steel member, pouch can be with slip casting, and operative constraint and can guide slurries
Diffusion, ultimately forms enlarged body, effectively improves bearing capacity, can undertake larger load;Finally, lattice steel member-pouch
Combination diagonal brace forms effective foundation pit supporting construction together with fender body;In addition the position of pouch, length and diameter can be according to need
Flexibly to be arranged;The advantages that construction technology convenience, high capacity, grouting amount be easy to control, good economy performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the partial enlarged view A in Fig. 1;
Fig. 3 is the a-a sectional views in Fig. 2;
Fig. 4 is the b-b sectional views in Fig. 2.
Specific implementation mode
The utility model feature and other correlated characteristics are described in further detail by embodiment below in conjunction with attached drawing,
In order to the understanding of technical staff of the same trade:
As shown in Figs 1-4, figure label 1-15 is expressed as:Lattice steel member 1, pouch 2, Grouting Pipe 3, slip casting are expanded
Substantially 4, confining part 5, angle steel 6, steel plate 7, fender body 8, collar tie beam 9, natural ground 10, underground structure 11, structural cushion coat 12, bottom
Plate 13, foundation pit 14, lattice hole 15.
Embodiment:As shown in Figure 1, steel pipe-shaped steel combination formula diagonal brace foundation pit supporting construction in the present embodiment is used for foundation pit
14 supporting, foundation pit 14 dig formation 10 times on natural ground.The proposed underground structure 11 in foundation pit 14, underground structure 11 have bottom
Plate 13.Structural cushion coat 12 is provided on the bottom surface of foundation pit 14, structural cushion coat 12 is located at the bottom of foundation pit 14 and underground structure 11
Between plate 13.
As shown in Figure 1, the inside sidewalls in foundation pit 14 are provided with fender body 8, fender body 8 is used for outside to the side wall of foundation pit 14
The side soil body carries out supporting, and the soil body is avoided to topple into foundation pit 14.The top of fender body 8 is provided with collar tie beam 9, collar tie beam 9 is used for will
Several fender bodies 9 are connected, and to improve the globality of supporting construction, further increase its supporting effect.
As shown in Figure 1, being connected with the lattice steel member 1 as supporter on fender body 8, lattice steel member 1 is in
It is in tilted layout, one end is connected with fender body 8, and the bottom soil body in foundation pit 14 is arranged in the other end, to apply tiltedly to fender body 8
To support force, go along with sb. to guard him effect and structural stability to improve fender body 8.
In conjunction with shown in Fig. 1 and Fig. 3, lattice steel member 1 is made of angle steel 6 and 7 welding assembly of steel plate, and surface is formed with
Uniformly distributed lattice hole 15.It is internally provided with pouch 2 in lattice steel member 1.As described in Figure 2, the top of pouch 2 passes through constraint
Component 5 is connected with Grouting Pipe 3, by Grouting Pipe 3 can into pouch 2 slip casting and formed across lattice hole 15 slip casting enlarged body 4.
In conjunction with shown in Fig. 3 and Fig. 4, by Grouting Pipe 3 into pouch 2 when slip casting, pouch 2 gradually outward expansion until it passes through lattice hole
15 expansions form the slip casting enlarged body 4 of protrusion, to increase the contact area of supporter and the periphery soil body, and then improve it and hold
Power is carried, larger load can be undertaken.
The present embodiment has following steps in Specific construction:
1)According to requirement of engineering, the relevant processing such as lattice steel member 1, pouch 2 are completed, angle steel 6 and steel plate 7 are welded
Combination constitutes lattice steel member 1, pouch 2 and Grouting Pipe 3 and is entered in lattice steel member 1 by the connection of confining part 5 postposition.
2)Construction fender body 8 first.
3)Then according in relation to requiring to squeeze into the lattice steel member 1 for being placed in pouch 2, then injected by Grouting Pipe 3
Cement mortar, pouch 2 are expanded by the lattice hole 15 of lattice steel member 1 outward under pressure, are formed multiple slip castings and are expanded
Body 4 completes the construction of lattice steel member-pouch combination diagonal brace, by collar tie beam 9 by 1 upper end of lattice steel member with enclose
Watch box 8 connects, and forms foundation pit supporting construction.
4) in 8 top construction collar tie beam 9 of fender body the integer support structure of foundation pit 14 is constituted so that fender body 8 to be connected.
The present embodiment is in the specific implementation:Lattice steel member 1 can be in H profile steel, channel steel, I-steel, angle steel, steel plate
One or two kinds of and two or more combinations, i.e., several different shaped steel are welded to each other as needed, ensure shape
Ensure its support strength while at lattice hole 15.
The position of pouch 2, length and diameter can be flexibly arranged as needed.Slip casting enlarged body 4 can be along lattice steel structure
Part 1 buries the single point-like slip casting enlarged body or multiple spot shape slip casting enlarged body or full section shape slip casting enlarged body of segment length direction arrangement,
Wherein single point-like slip casting enlarged body can be partially formed in a certain of soil section that enter of lattice steel member 1;Multiple spot shape slip casting enlarged body
It refers to being partially formed in the multiple of shaped steel 2, this multiple part can be along the length direction arranged for interval of lattice steel member 1;
And full section shape slip casting enlarged body then refers to that the length direction along lattice steel member 1 is evenly arranged slip casting enlarged body, with week
The contact area of the side soil body is maximum, and bearing capacity is promoted apparent.Different types of slip casting enlarged body 4 can be by adjusting the position of pouch 2
It sets and is realized with the position in lattice hole 15.
Although above example elaborates the design of the utility model aim and embodiment with reference to attached drawing,
But those skilled in the art will realize that in the case where no disengaging claim limits the precondition of range, still may be used
To make various modifications and variations to the utility model, therefore do not repeat one by one herein.
Claims (5)
1. a kind of lattice steel member-pouch combines diagonal brace foundation pit supporting construction, institute's foundation pit supporting construction includes at least fender body
And supporter, the supporter are used to support the fender body, it is characterised in that:The supporter is lattice steel member, institute
Stating lattice steel member has lattice hole, and in the pouch that is internally provided with of the lattice steel member, the pouch passes through slip casting
Form the slip casting enlarged body across the lattice hole.
2. a kind of lattice steel member according to claim 1-pouch combines diagonal brace foundation pit supporting construction, feature exists
In:The slip casting enlarged body is the single point-like slip casting enlarged body arranged along the lattice steel member length direction or multiple spot shape note
Starch enlarged body or full section shape slip casting enlarged body.
3. a kind of lattice steel member according to claim 1-pouch combines diagonal brace foundation pit supporting construction, feature exists
In:The pouch is connected with Grouting Pipe.
4. a kind of lattice steel member according to claim 3-pouch combines diagonal brace foundation pit supporting construction, feature exists
In:The pouch connects the Grouting Pipe by confining part.
5. a kind of lattice steel member according to claim 1-pouch combines diagonal brace foundation pit supporting construction, feature exists
In:The lattice steel member can be one or both of H profile steel, channel steel, I-steel, angle steel, steel plate and two or more
Combination.
Priority Applications (1)
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CN201820136458.3U CN207944462U (en) | 2018-01-26 | 2018-01-26 | A kind of lattice steel member-pouch combination diagonal brace foundation pit supporting construction |
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CN201820136458.3U CN207944462U (en) | 2018-01-26 | 2018-01-26 | A kind of lattice steel member-pouch combination diagonal brace foundation pit supporting construction |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110700278A (en) * | 2019-10-29 | 2020-01-17 | 上海建工七建集团有限公司 | Inner support structure, foundation pit support system and construction method thereof |
CN110952569A (en) * | 2019-12-30 | 2020-04-03 | 中国建筑第四工程局有限公司 | Inclined support type deep foundation pit supporting structure and construction method |
CN112127373A (en) * | 2020-10-16 | 2020-12-25 | 中建四局第六建设有限公司 | Deep foundation pit pile-support integrated supporting system structure and segmented accurate grouting construction technology |
CN113529739A (en) * | 2021-07-28 | 2021-10-22 | 王冰璇 | Coaxial expansion body assembly type support shaftless rotary sprayer and corresponding construction method |
-
2018
- 2018-01-26 CN CN201820136458.3U patent/CN207944462U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110700278A (en) * | 2019-10-29 | 2020-01-17 | 上海建工七建集团有限公司 | Inner support structure, foundation pit support system and construction method thereof |
CN110952569A (en) * | 2019-12-30 | 2020-04-03 | 中国建筑第四工程局有限公司 | Inclined support type deep foundation pit supporting structure and construction method |
CN112127373A (en) * | 2020-10-16 | 2020-12-25 | 中建四局第六建设有限公司 | Deep foundation pit pile-support integrated supporting system structure and segmented accurate grouting construction technology |
CN113529739A (en) * | 2021-07-28 | 2021-10-22 | 王冰璇 | Coaxial expansion body assembly type support shaftless rotary sprayer and corresponding construction method |
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