CN107012872B - Mud construction method of deep foundation ditch - Google Patents
Mud construction method of deep foundation ditch Download PDFInfo
- Publication number
- CN107012872B CN107012872B CN201710385532.5A CN201710385532A CN107012872B CN 107012872 B CN107012872 B CN 107012872B CN 201710385532 A CN201710385532 A CN 201710385532A CN 107012872 B CN107012872 B CN 107012872B
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- Prior art keywords
- spud pile
- steel form
- steel
- foundation pit
- construction method
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
Mud construction method of deep foundation ditch of the present invention, belongs to the realm of building construction, it is therefore an objective to reduce foundation pit construction cost, and improve working security.Its method is：Spud pile is squeezed on foundation pit periphery, Guan Liang is set at the top of spud pile, the overhead crane that moveable lower end is lifted with suspension workbench is installed in Guan Liang, suspends and excavator is set on workbench；When excavation, one piece of steel form is from top to bottom squeezed between adjacent spud pile first, then the height of a steel form is excavated, then latter piece of steel form is squeezed between adjacent spud pile, and the steel form before top pressure runs down the distance of one piece of steel form, neighbouring two pieces of steel forms are connected, are then excavated；The operation to excavation of foundation pit is repeated to complete.The present invention, supporting construction is simple, and operation is easy, safety, material utilization amount are few, is reduced the risk that excavator touches supporting construction, be ensure that foundation pit forming quality；Eliminate the hidden danger that excavator is flowed or blow over and cover completely by mud, it is safe and easy to operate can accelerate construction progress.
Description
Technical field
The invention belongs to the realm of building construction, particularly mud construction method of deep foundation ditch.
Background technology
For the excavation of mud soil property deep basal pit, usually first use foundation pit enclosure stake, as steel sheet pile, bore column irrigating pile or
Diaphram wall etc. carries out supporting, then excavator is recycled to excavate.But above method for protecting support material consumption amount is big, and
Parked in deep basal pit easily to be flowed or blow over and cover completely by mud using excavator, construction cost is high and has security risk, and many problems are brought to construction.
Invention content
Technical problem to be solved by the invention is to provide a kind of mud construction method of deep foundation ditch, with reduce foundation pit construction at
This, and improve working security.
The technical solution adopted by the present invention is：Mud construction method of deep foundation ditch includes the following steps of sequence progress：
Step 1: squeezing into spud pile to old soil layer on foundation pit periphery, spud pile is linked to be by setting Guan Liang at the top of spud pile
One, and it is equipped with concrete safe edge on foundation pit side mouthful；
Step 2: lowering of watertable；
Step 3: install moveable overhead crane in Guan Liang, it is lifted with by hoisting column in the lower end of overhead crane outstanding
Workbench is set, excavator is set on suspension workbench；
Step 4: excavator is excavated：From top to bottom along the limit being set on spud pile first between adjacent spud pile
Bit architecture squeezes into one piece of steel form, then excavates the height of a steel form, is then from top to bottom squeezed between adjacent spud pile
Latter piece of steel form, the steel form before latter piece of steel form top pressure run down the distance of a section steel form height, will be upper and lower
Adjacent two pieces of steel forms are detachably connected, and then excavate the height of a steel form；The operation to excavation of foundation pit is repeated to complete；
Step 5: removing supporting.
Further, the Crane Rail being slidably matched with overhead crane is installed in the Guan Liang of foundation pit both sides.
Further, after Guan Liang is arranged, before earth excavation, straight support and diagonal brace are installed；The straight support both ends point
It is not connected with the inside of the spud pile of foundation pit offside, the inside phase of the diagonal brace both ends spud pile of both sides adjacent with foundation pit respectively
Even；And straight support and diagonal brace are respectively positioned on the top of spud pile.
Further, the position limiting structure is the slot compatible with the thickness of steel form for being set to spud pile both sides,
The slot extends to the other end by spud pile one end.
Further, the spud pile is made of H profile steel, and control rib, the slot are fixed in the web both sides of H profile steel
It is surrounded and is formed by the flange plate of control rib, the web of H profile steel and H profile steel.
Further, it is bolted by latching between neighbouring two pieces of steel forms, the latching is located at the inner wall of steel form.
Further, one end in the upper and lower ends of every piece of steel form is equipped with groove, and the other end is equipped with convex block, neighbouring
The groove of two pieces of steel forms is mutually inserted with convex block.
Further, the lower section of the overhead crane is equipped with inverted jack, and the jack is being located at steel form just
Top.
Further, further include that tower crane stretches into cooperation excavator in foundation pit with the suspension bucket on tower crane, the suspension bucket is hung on
Work.
Further, the concrete operations of lowering of watertable are：In foundation pit outer, dewatering well and gutter, the drop are set
Well is connected with gutter, is connected on the outside of the drain port in the gutter and work zone.
The beneficial effects of the invention are as follows：The present invention, due to only with spud pile and steel form as supporting construction, steel form
Installation be from top to bottom to be plugged between adjacent spud pile, simple in structure, operation is easy, safety, material utilization amount are few, and steel
Without any support unit in the encirclement area that template surrounds, interference is not formed to the excavation of excavator, excavator is also reduced and touches
The risk for touching supporting construction, ensure that foundation pit forming quality；And excavator is supported on suspension workbench, and suspend workbench and hang
Loaded on overhead crane lower end, overhead crane is translatable, therefore, direction, horizontal position and height and position can be changed in excavator, eliminates
The hidden danger that excavator is flowed or blow over and cover completely by mud, it is safe and easy to operate can accelerate construction progress.
Description of the drawings
Fig. 1 is vertical view of the present invention；
The A-A sectional views of Fig. 2 Fig. 1；
Fig. 3 is partial enlarged view at the A of Fig. 1；
Fig. 4 is partial enlarged view at the B of Fig. 2；
Fig. 5 is partial enlarged view at the C of Fig. 2.
In figure, foundation pit 1, spud pile 2, concrete safe edge 3, Guan Liang 4, Crane Rail 5, directly support 6, diagonal brace 7, overhead crane 8, suspension
Workbench 9, excavator 10, steel form 11, dewatering well 12, gutter 13, jack 14, slot 15, control rib 16, latching 17,
Groove 18, convex block 19, tower crane 20, suspension bucket 21, hoisting column 22.
Specific implementation mode
It is as follows that the present invention is described further with reference to the accompanying drawings and examples：
As Figure 1-Figure 2, mud construction method of deep foundation ditch includes the following steps of sequence progress：
Step 1: squeezing into spud pile 2 to old soil layer on 1 periphery of foundation pit, Guan Liang 4 is set by spud pile 2 at 2 top of spud pile
It is connected, and concrete safe edge 3 is equipped on 1 side of foundation pit mouthful；
Step 2: lowering of watertable；
Step 3: installing moveable overhead crane 8 in Guan Liang 4, lifted by hoisting column 22 in the lower end of overhead crane 8
There is suspension workbench 9, excavator 10 is set on suspension workbench 9；
Step 4: excavator 10 is excavated：From top to bottom edge is set on spud pile 2 first between adjacent spud pile 2
Position limiting structure squeeze into one piece of steel form 11, then excavate a steel form 11 height, then by upper between adjacent spud pile 2
Latter piece of steel form 11 is squeezed under, it is high that the steel form 11 before latter piece of 11 top pressure of steel form runs down a section steel form 11
Neighbouring two pieces of steel forms 11 are detachably connected by the distance of degree, then excavate the height of a steel form 11；Repeat the behaviour
Make to foundation pit 1 to excavate to complete；
Step 5: removing supporting.
The present invention, due to being used as supporting construction only with spud pile 2 and steel form 11, the installation of steel form 11 be by up to
Under be plugged between adjacent spud pile 2, simple in structure, operation is easy, safety, material utilization amount are few, and steel form 11 surrounds
It surrounds in area without any support unit, interference is not formed to the excavation of excavator 10, excavator 10 is also reduced and touches supporting
The risk of structure ensure that foundation pit forming quality；And excavator 10 is supported on suspension workbench 9, and suspend the lifting of workbench 9
In 8 lower end of overhead crane, overhead crane 8 is translatable, therefore, direction, horizontal position and height and position can be changed in excavator 10, eliminates
The hidden danger that excavator 10 is flowed or blow over and cover completely by mud, it is safe and easy to operate can accelerate construction progress.
It is slided for the ease of overhead crane 8, it is preferred that as shown in figure 4, being equipped in the Guan Liang 4 of 1 both sides of foundation pit and bridge
The Crane Rail 5 that formula crane 8 is slidably matched.
In order to improve the reliability of 1 supporting of foundation pit, enhance the horizontal against power of spud pile 2, it is preferred that be arranged in Guan Liang 4
After, before earth excavation, straight support 6 and diagonal brace 7 are installed；6 both ends of the straight support respectively with the spud pile 2 of 1 offside of foundation pit
Inside is connected, and 7 both ends of the diagonal brace are connected with the inside of the spud pile 2 of 1 adjacent both sides of foundation pit respectively；And straight support 6 and diagonal brace 7 are equal
Positioned at the top of spud pile 2.Since old soil layer is stretched into the bottom of spud pile 2, stable fixation is obtained, therefore the top of spud pile 2
Stablize and need to be strengthened, therefore, straight support 6 and diagonal brace 7 are respectively positioned on the top of spud pile 2.The inside of the spud pile 2 refers to solid
Determine side of the stake 2 towards 1 center of foundation pit.
In order to facilitate the installation of steel form 11, it is preferred that as shown in figure 3, the position limiting structure is to be set to 2 liang of spud pile
The slot 15 compatible with the thickness of steel form 11 of side, the slot 15 extend to the other end by 2 one end of spud pile.
Certainly, for the ease of the processing of slot 15, it is preferred that the spud pile 2 is made of H profile steel, in the web of H profile steel
Both sides are fixed with control rib 16, and the slot 15 surrounds shape by the inside flange plate of control rib 16, the web of H profile steel and H profile steel
At.Spud pile 2 is made using H profile steel, while meeting force request, moreover it is possible to efficiently use the structure fabrication slot of H profile steel itself
15.The inside flange plate of the H profile steel refers to that block flange plate of H profile steel close to 1 center side of foundation pit.
The fixation of neighbouring two pieces of steel forms 11 can be there are many form, such as using connecting rod respectively with neighbouring two
Welding of block steel form 11 etc., still, for the ease of the connection and dismounting of neighbouring two pieces of steel forms 11, it is preferred that phase up and down
It is bolted by latching 17 between adjacent two pieces of steel forms 11, the latching 17 is located at the inner wall of steel form 11.
In order to further be convenient for the fixation of adjacent two pieces of steel forms 11 up and down；It is installed convenient for steel form 11, it is preferred that such as Fig. 5
Shown, one end in the upper and lower ends of every piece of steel form 11 is equipped with groove 18, and the other end is equipped with convex block 19, neighbouring two blocks of steel
The groove 18 of template 11 is mutually inserted with convex block 19.
It is moved for the ease of top pressure steel form 11, it is preferred that the lower section of the overhead crane 8 is equipped with inverted jack
14, the jack 14 is located at the surface of steel form 11.It, can under the action of jack 14 and 11 its own gravity of steel form
Rapidly in place by 11 top pressure of steel form.
For handling supporting component and the soil etc. dug out, it is preferred that further include tower crane 20 and hanging on tower crane 20
Suspension bucket 21, the suspension bucket 21 stretch into cooperation excavator 10 in foundation pit 1 and work.The soil that excavator 10 is dug out pours into suspension bucket 21, then
It is seen off by tower crane 20.Tower crane 20 and suspension bucket 21 etc. can also put into foundation pit concrete structure construction and use.
Preferably, the concrete operations of mud construction method of deep foundation ditch, lowering of watertable are：It is arranged in 1 outer of foundation pit and drops
Well 12 and gutter 13, the dewatering well 12 are connected with gutter 13, and drain port and the construction in the gutter 13 are made
It is connected on the outside of industry area.
When removing supporting, merogenesis takes down latching 17 from bottom to up, and ground is hoisted to tower crane 20 after the disengaging of steel form 11,
Then the segmentation of the earthwork from bottom to up backfill, finally extracts spud pile 2.
Claims (10)
1. mud construction method of deep foundation ditch, it is characterised in that：The following steps carried out including sequence：
Step 1: squeezing into spud pile (2) to old soil layer on foundation pit (1) periphery, setting Guan Liang (4) will be consolidated at the top of spud pile (2)
Determine stake (2) to be connected, and concrete safe edge (3) is equipped on foundation pit (1) side mouthful；
Step 2: lowering of watertable；
Step 3: installing moveable overhead crane (8) in Guan Liang (4), pass through hoisting column (22) in the lower end of overhead crane (8)
It is lifted with suspension workbench (9), the setting excavator (10) on suspension workbench (9)；
Step 4: excavator (10) is excavated：From top to bottom edge is set to spud pile (2) first between adjacent spud pile (2)
On position limiting structure squeeze into one piece of steel form (11), then excavate a steel form (11) height, then in adjacent spud pile
(2) latter piece of steel form (11) is from top to bottom squeezed between, the steel form (11) before latter piece of steel form (11) top pressure is transported downwards
Row one saves the distance of steel form (11) height, and neighbouring two pieces of steel forms (11) are detachably connected, and then excavates a steel
The height of template (11)；It repeats the operation to foundation pit (1) and excavates completion；
Step 5: removing supporting.
2. mud construction method of deep foundation ditch as described in claim 1, it is characterised in that：In the Guan Liang (4) of foundation pit (1) both sides
The Crane Rail (5) being slidably matched with overhead crane (8) is installed.
3. mud construction method of deep foundation ditch as described in claim 1, it is characterised in that：After Guan Liang (4) are arranged, in soil
Before side is excavated, straight support (6) and diagonal brace (7) are installed；Described straight support (6) both ends are interior with the spud pile (2) of foundation pit (1) offside respectively
Side is connected, and the inside of diagonal brace (7) both ends spud pile (2) of both sides adjacent with foundation pit (1) respectively is connected；And straight support (6) and
Diagonal brace (7) is respectively positioned on the top of spud pile (2).
4. mud construction method of deep foundation ditch as described in claim 1, it is characterised in that：The position limiting structure is to be set to fixation
The slot (15) compatible with the thickness of steel form (11) of stake (2) both sides, the slot (15) are extended by spud pile (2) one end
To the other end.
5. mud construction method of deep foundation ditch as claimed in claim 4, it is characterised in that：The spud pile (2) is by H profile steel system
At, the web both sides of H profile steel be fixed with control rib (16), the slot (15) is by control rib (16), the web and H of H profile steel
The flange plate of shaped steel surrounds to be formed.
6. mud construction method of deep foundation ditch as claimed in claim 4, it is characterised in that：Neighbouring two pieces of steel forms (11) it
Between bolted by latching (17), the latching (17) is located at the inner wall of steel form (11).
7. mud construction method of deep foundation ditch as claimed in claim 6, it is characterised in that：The upper and lower ends of every piece of steel form (11)
In one end be equipped with groove (18), the other end be equipped with convex block (19), the groove (18) of neighbouring two pieces of steel forms (11) with it is convex
Block (19) is mutually inserted.
8. the mud construction method of deep foundation ditch as described in claim 1-7 any one claims, it is characterised in that：The bridge
The lower section of formula crane (8) is equipped with inverted jack (14), and the jack (14) is located at the surface of steel form (11).
9. the mud construction method of deep foundation ditch as described in claim 1-7 any one claims, it is characterised in that：Further include
Tower crane (20) and the suspension bucket (21) on tower crane (20) is hung on, the suspension bucket (21) stretches into cooperation excavator (10) in foundation pit (1)
Work.
10. the mud construction method of deep foundation ditch as described in claim 1-7 any one claims, it is characterised in that：It reduces
The concrete operations of level of ground water are：Foundation pit (1) outer setting dewatering well (12) and gutter (13), the dewatering well (12) and
Gutter (13) is connected, and is connected on the outside of the drain port of the gutter (13) and work zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385532.5A CN107012872B (en) | 2017-05-26 | 2017-05-26 | Mud construction method of deep foundation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385532.5A CN107012872B (en) | 2017-05-26 | 2017-05-26 | Mud construction method of deep foundation ditch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107012872A CN107012872A (en) | 2017-08-04 |
| CN107012872B true CN107012872B (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710385532.5A Active CN107012872B (en) | 2017-05-26 | 2017-05-26 | Mud construction method of deep foundation ditch |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004934B (en) * | 2019-04-11 | 2019-12-13 | 中国葛洲坝集团第一工程有限公司 | Excavation construction method for silt foundation pit |
| CN114718074A (en) * | 2022-02-18 | 2022-07-08 | 中交上海航道局有限公司 | Excavation method for foundation pit in soft soil stratum |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3418343B2 (en) * | 1998-06-23 | 2003-06-23 | ミキ重機工業株式会社 | Earth retaining wall formation method in root cutting method |
| CN106400811B (en) * | 2016-08-12 | 2018-07-06 | 武汉志和岩土工程有限公司 | Frame is inverse to make foldable assembled foundation pit structure construction method |
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