CN209538189U - A kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile - Google Patents
A kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile Download PDFInfo
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- CN209538189U CN209538189U CN201822110026.8U CN201822110026U CN209538189U CN 209538189 U CN209538189 U CN 209538189U CN 201822110026 U CN201822110026 U CN 201822110026U CN 209538189 U CN209538189 U CN 209538189U
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Abstract
The foundation ditch strengthening structure based on high-pressure rotary jet grouting pile that the utility model discloses a kind of, including several high-pressure rotary jet grouting piles being arranged in foundation pit, the adjacent high-pressure rotary jet grouting pile is mutually twisted, high-pressure rotary jet grouting pile is equipped with reinforcing member, the side wall of reinforcing member is equipped with connection frame, and adjacent reinforcing member is connected by connection frame；Several high-pressure rotary jet grouting piles form high-pressure rotary jet grouting pile group, at least two high-pressure rotary jet grouting pile groups are equipped in foundation pit, adjacent high-pressure rotary jet grouting pile group is mutually twisted to form rotary churning pile overlap, reinforcer is equipped in rotary churning pile overlap, jet grouting pile driving machine in foundation pit on drill through several high-pressure rotary jet grouting piles, it is mutually twisted again by adjacent high-pressure rotary jet grouting pile, adjacent high-pressure rotary jet grouting pile group is mutually twisted, and can be reinforced to foundation pit；Reinforcing member is installed in high-pressure rotary-spray turns, connection frame connects reinforcing member, and last rotary churning pile overlap installs reinforcer, reinforces the bonding strength between adjacent high-pressure rotary jet grouting pile group, effectively reinforces to foundation pit.
Description
Technical field
The utility model relates to a kind of foundation ditch strengthening structure, more specifically, it relates to a kind of based on high-pressure rotary jet grouting pile
Foundation ditch strengthening structure.
Background technique
Pattern foundation pit supporting structure is the safety to guarantee Underground Construction and foundation pit surrounding environment, to foundation pit side-wall and surrounding enviroment
Supporting and retaining system, reinforcing and the safeguard measure of use.
Authorization Notice No. is that the Chinese patent of CN206554076U discloses a kind of rim of a cup shape flaring bored concrete pile, including cylinder
The foundation pouring pile of shape, foundation pouring pile top are equipped with transition bored concrete pile, and the shape of transition bored concrete pile is up big and down small rotary table,
Cylindrical flaring bored concrete pile is equipped with above transition bored concrete pile, the basal diameter of transition bored concrete pile is equal to the straight of foundation pouring pile
Diameter, top surface diameter are equal to the diameter of flaring perfusion pile body.
The prior art is that stake holes is bored on ground, and reinforcing bar is installed in stake holes, finally carries out casting cement, but for
Flour sand presss from both sides the foundation pit based on silt, and since the soil body water penetration is strong, soil property is poor, and collapse hole is be easy to cause in pile hole construction, can not
Guarantee the stake holes quality of stake, it is difficult to which effective foundation pit is reinforced, and is had much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of bases based on high-pressure rotary jet grouting pile
Ruggedized construction is cheated, cement can be mixed in drilling with soil layer, the cement stabilization body of lap connection be formed, so as to smooth
Foundation pit is reinforced.
To achieve the above object, the utility model provides following technical solution:
A kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile, including several high-pressure rotary jet grouting piles being arranged in foundation pit,
Several described high-pressure rotary jet grouting piles are arranged along the length direction of foundation pit, and the adjacent high-pressure rotary jet grouting pile is mutually twisted, the high pressure
Rotary churning pile is equipped with reinforcing member along its short transverse, and the side wall of the reinforcing member is equipped with connection frame, and the adjacent reinforcing member passes through
Connection frame connection；
Several described high-pressure rotary jet grouting piles form high-pressure rotary jet grouting pile group, are equipped at least two high-pressure rotary jet grouting piles in the foundation pit
Group, the adjacent high-pressure rotary jet grouting pile group are mutually twisted to form rotary churning pile overlap, and reinforcer is equipped in the rotary churning pile overlap.
By using above-mentioned technical proposal, when construction, using jet grouting pile driving machine in foundation pit on drill through several holes, infuse
Enter cement grout, so as to form several high-pressure rotary jet grouting piles, cement grout is mixed with soil layer at this time, is formed continuous
Cement stabilization body, then be mutually twisted by adjacent high-pressure rotary jet grouting pile, adjacent high-pressure rotary jet grouting pile group is mutually twisted, and can be formed with this
Continuous seepage proof curtain together, can reinforce foundation pit；Reinforcing member is installed in high-pressure rotary-spray turns, will be added by connection frame
Firmware connects, and reinforces the bonding strength between adjacent high-pressure rotary jet grouting pile, last rotary churning pile overlap installs reinforcer, with this
It can reinforce the bonding strength between adjacent high-pressure rotary jet grouting pile group, effectively foundation pit can be reinforced with this.
Further, the reinforcing member includes being arranged in high-pressure rotary jet grouting pile and along the steel pipe of its short transverse setting, institute
It states and is evenly equipped with several slurry holes thoroughly on the side wall of steel pipe, poured in the steel pipe and be inoculated with concrete slurry.
By using above-mentioned technical proposal, after jet grouting pile driving machine, which is constructed, completes high-pressure rotary jet grouting pile, in high-pressure rotary jet grouting pile
Interior insertion steel pipe, and concrete slurry is injected in steel pipe, concrete slurry through slurry hole thoroughly with it is original in high-pressure rotary jet grouting pile
Cement grout combines, and steel pipe can reinforce the intensity of high-pressure rotary jet grouting pile with this so as to be fixed in high-pressure rotary jet grouting pile, improves
High-pressure rotary jet grouting pile transverse direction shear strength.
Further, the connection frame includes the connecting plate being arranged radially respectively along steel pipe, card adapter plate, support plate, gearing
Plate, the first transverse slat and riser, the first connecting plate, the second connecting plate, baffle being axially arranged along steel pipe respectively, the support plate and company
Fishplate bar is oppositely arranged, and the one end of the connection board connect with steel pipe, the connection of the other end and riser, the riser far from connecting plate one
End is connect with card adapter plate；
The steel pipe is connect far from the side of connecting plate with support plate, and the both ends of first connecting plate are remote with support plate respectively
One end of one end, interlock plate from steel pipe connects, the both ends of second connecting plate respectively with interlock plate far from the first connecting plate one
One end connection at end, the first transverse slat, first transverse slat are connect far from one end of the second connecting plate with baffle, and the baffle is to the ground
Side extends, and there are the gap that card adapter plate protrudes between the baffle and the first connecting plate, the length of the baffle is less than or waits
In the length of riser.
By using above-mentioned technical proposal, when installing steel pipe, steel pipe is inserted into high-pressure rotary jet grouting pile, at this time cement grout
It does not solidify, the card adapter plate of adjacent steel pipe is protruded into out of gap between baffle and the second connecting plate, be inserted into interlock plate and the first cross
It between plate, is finally protruded into cement grout using cement shock club, cement grout is filled between interlock plate and the first transverse slat, from
And card adapter plate can be fixed between interlock plate and the first transverse slat, and then steel pipe can be connected, be conducive to improve high
The horizontal resistance to decompression intensity of pressure rotary-spraying stake, is conducive to reinforce foundation pit.
Further, the quantity of the connection frame is several, several connection frames are arranged and are evenly distributed with along the axial direction of steel pipe
On the side wall of steel pipe.
By using above-mentioned technical proposal, using several connection frames, it is strong to be conducive to further increase connection between steel pipe
Degree, further increases the horizontal resistance to decompression intensity of high-pressure rotary jet grouting pile, is conducive to further reinforce foundation pit.
Further, the reinforcing member includes being arranged in high-pressure rotary jet grouting pile and along the steel reinforcement cage of its short transverse setting.
By using above-mentioned technical proposal, as jet grouting pile driving machine driller and cement grout is injected, to complete high pressure rotation
After spraying stake, steel reinforcement cage is inserted into high-pressure rotary jet grouting pile, and concrete slurry is injected in steel reinforcement cage, concrete slurry and high pressure are revolved
It sprays original cement grout in stake to combine, steel reinforcement cage can reinforce high pressure rotation so as to be fixed in high-pressure rotary jet grouting pile, with this
The intensity of stake is sprayed, high-pressure rotary jet grouting pile transverse direction shear strength is improved.
Further, the connection frame include the second transverse slat being arranged radially along steel reinforcement cage, third transverse slat, the 4th transverse slat,
5th transverse slat and the first vertical plate being axially arranged along steel reinforcement cage, the second vertical plate, third vertical plate and the 4th vertical plate；
Second transverse slat is connect with steel reinforcement cage, and the both ends of first vertical plate are respectively with the second transverse slat far from steel reinforcement cage
One end and the connection of third transverse slat, second vertical plate are connect with third transverse slat far from one end of the first vertical plate, and described second is vertical
The side of plate to the ground extends；
Side of the steel reinforcement cage far from the second transverse slat is connect with the 4th transverse slat, and the both ends of the third vertical plate are respectively with
One end far from steel reinforcement cage of four transverse slats, the connection of the 5th transverse slat, the both ends of the 5th transverse slat are respectively with third vertical plate far from the 4th
One end of transverse slat, the connection of the 4th vertical plate；
There are the gap for the insertion of the 5th transverse slat, the 4th vertical plates and the 4th between second vertical plate and the second transverse slat
There are the installation spaces being inserted into for third transverse slat between transverse slat.
By using above-mentioned technical proposal, when installing steel reinforcement cage, steel reinforcement cage is inserted into high-pressure rotary jet grouting pile, at this time cement
Slurries do not solidify, and third transverse slat is inserted into installation space by mobile steel reinforcement cage, and the 5th transverse slat is inserted into gap, the second vertical plate from
And be inserted between third vertical plate and the 4th vertical plate, the 4th vertical plate is inserted between the first vertical plate and the second vertical plate, finally shakes cement
Dynamic stick protrudes into cement grout, and cement grout is filled between the first vertical plate, the 4th vertical plate, the second vertical plate and third vertical plate,
So as to be fixedly connected with two adjacent steel reinforcement cages, and then steel reinforcement cage can be joined together, be conducive to improve high-pressure rotary-spray
The horizontal resistance to decompression intensity of stake, is conducive to reinforce foundation pit.
Further, the quantity of the connection frame is several, several connection frames are along the axial setting of steel reinforcement cage and equal
Cloth is on the side wall of steel reinforcement cage.
By using above-mentioned technical proposal, using several connection frames, is conducive to further increase between steel reinforcement cage and connects
Intensity further increases the horizontal resistance to decompression intensity of high-pressure rotary jet grouting pile, is conducive to further reinforce foundation pit.
Further, the reinforcer includes the I-steel that rotary churning pile overlap is arranged in, and the I-steel includes two flat
Capable upper plate, lower plate and the supporting beam for connecting upper plate and lower plate, the supporting beam and two intersecting lens of rotary churning pile overlap place
Plane parallel.
By using above-mentioned technical proposal, using I-steel, be conducive to reinforce the bonding strength between rotary churning pile overlap,
The bonding strength for being conducive to improve adjacent high-pressure rotary jet grouting pile group, is conducive to further reinforce foundation pit.
In conclusion the utility model has the following beneficial effects:
1, using high-pressure rotary jet grouting pile, cement grout is combined with soil layer, so as to reinforce to foundation pit；
2, using the reinforcing member in high-pressure rotary jet grouting pile, be conducive to the intensity for reinforcing high-pressure rotary jet grouting pile, improve high-pressure rotary jet grouting pile
Horizontal shear shear force, be conducive to reinforce foundation pit is reinforced；
3, using connection frame reinforcement by connection part, reinforcing member is connected, is conducive to further increase high-pressure rotary jet grouting pile
Horizontal shear shear force is conducive to further strengthen and reinforce to foundation pit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1.
Fig. 2 is the structural schematic diagram for embodying embodiment mesohigh rotary churning pile, connection frame and steel pipe.
Fig. 3 is to embody the portion A enlarged drawing in Fig. 2.
Fig. 4 is to embody the portion B enlarged drawing in Fig. 2.
Fig. 5 is the structural schematic diagram of embodiment 2.
Fig. 6 is the structural schematic diagram for embodying connection frame and steel reinforcement cage in embodiment.
Fig. 7 is to embody the portion C enlarged drawing in Fig. 6.
In figure: 1, foundation pit；2, high-pressure rotary jet grouting pile；3, reinforcing member；30, steel pipe；31, hole is starched thoroughly；32, steel reinforcement cage；4, it connects
Frame；40, connecting plate；41, card adapter plate；42, support plate；43, interlock plate；44, the first transverse slat；45, riser；46, the first connecting plate；
47, the second connecting plate；48, baffle；49, gap；400, the second transverse slat；410, third transverse slat；420, the 4th transverse slat；430, the 5th is horizontal
Plate；440, the first vertical plate；450, the second vertical plate；460, third vertical plate；470, the 4th vertical plate；480, gap；490, installation space；
5, high-pressure rotary jet grouting pile group；6, rotary churning pile overlap；7, reinforcer；70, I-steel；71, upper plate；72, lower plate；73, supporting beam.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1:
Referring to Figures 1 and 2, a kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile comprising if being arranged in foundation pit 1
Dry high-pressure rotary jet grouting pile 2, several high-pressure rotary jet grouting piles 2 are arranged along the length direction of foundation pit 1, and adjacent high-pressure rotary jet grouting pile 2 is mutually stung
It closes, high-pressure rotary jet grouting pile 2 is equipped with reinforcing member 3 along its short transverse, and the side wall of reinforcing member 3 is equipped with connection frame 4, adjacent reinforcing member 3
It is connected by connection frame 4；
Referring to Figures 1 and 2, several high-pressure rotary jet grouting piles 2 form high-pressure rotary jet grouting pile group 5, and it is high to be equipped at least two in foundation pit 1
Pressure rotary-spraying stake group 5, preferably two groups, adjacent high-pressure rotary jet grouting pile group 5 are mutually twisted to form rotary churning pile overlap 6, rotary churning pile overlap 6
It is interior to be equipped with reinforcer 7；In construction, 2 machine of high-pressure rotary jet grouting pile injects cement grout in 1 internal drilling of foundation pit in hole, at this time
Cement grout is mixed with soil layer, forms continuous cement stabilization body, is inserted into and is reinforced in the cement grout of high-pressure rotary jet grouting pile 2
Part 3, then connected reinforcing member 3 by connection frame 4, reinforcer 7, cement grout are finally installed in rotary churning pile overlap 6
After solidification, it is mutually twisted using high-pressure rotary jet grouting pile 2, high-pressure rotary jet grouting pile group 5 is mutually twisted, foundation pit 1 can be reinforced with this,
The reinforcing member 3 being connected is recycled, the intensity of high-pressure rotary jet grouting pile 2 can be reinforced with this, improves 2 horizontal shear of high-pressure rotary jet grouting pile
Shear force can effectively reinforce foundation pit 1 with this.
Referring to Fig. 2, reinforcing member 3 includes being arranged in high-pressure rotary jet grouting pile 2 and along the steel pipe 30 of its short transverse setting, steel pipe
It is evenly equipped with several slurry holes 31 thoroughly on 30 side wall, is poured in steel pipe 30 and is inoculated with concrete slurry, the intensity of concrete slurry is higher than
The intensity of cement grout improves steel pipe 30 and cement grout bonding strength；
Referring to Fig. 3, connection frame 4 include the connecting plate 40 being arranged radially respectively along steel pipe 30, card adapter plate 41, support plate 42,
Interlock plate 43, the first transverse slat 44 and riser 45, the first connecting plate 46, the second connecting plate 47, the gear being axially arranged along steel pipe 30 respectively
Plate 48, support plate 42 and connecting plate 40 are oppositely arranged, and 40 one end of connecting plate is connect with steel pipe 30, the other end and riser 45 connect,
The one end of riser 45 far from connecting plate 40 is connect with card adapter plate 41；
Referring to Fig. 3, side of the steel pipe 30 far from connecting plate 40 is connect with support plate 42, the both ends of the first connecting plate 46 respectively with
One end connection of support plate 42 one end, interlock plate 43 far from steel pipe 30, the both ends of the second connecting plate 47 are remote with interlock plate 43 respectively
One end of one end, the first transverse slat 44 from the first connecting plate 46 connects, the first transverse slat 44 one end and baffle far from the second connecting plate 47
48 connections, side extends baffle 48 to the ground, and there are the gap 49 that card adapter plate 41 protrudes into, gears between baffle 48 and the first connecting plate 46
The length of plate 48 is less than or equal to the length of riser 45；
Referring to Fig. 2 and Fig. 3, the quantity of connection frame 4 is several, preferably three, axis of several connection frames 4 along steel pipe 30
To being arranged and be evenly arranged on the side wall of steel pipe 30；After the completion of the construction of high-pressure rotary jet grouting pile 2, steel pipe 30 is inserted into cement grout,
Before cement grout solidification, mobile steel pipe 30 moves into card adapter plate 41 in gap 49, and card adapter plate 41 is inserted into interlock plate 43 and the
Between one transverse slat 44, cement shock club is protruded into cement grout, vibrate cement grout, by cement grout shake into interlock plate 43,
Between card adapter plate 41 and the first transverse slat 44, finally concrete slurry is injected in steel pipe 30, concrete slurry starches hole 31 from saturating
Exudation is connected with cement grout, steel pipe 30 can be joined together and is set in high-pressure rotary jet grouting pile 2 with this, can be with this
The horizontal shear shear force of reinforced high pressure rotary churning pile 2, can be reinforced to foundation pit 1(referring to Fig.1 with this) reinforcing.
Referring to Fig. 4, reinforcer 7 includes the I-steel 70 that rotary churning pile overlap 6 is arranged in, and I-steel 70 includes two parallel
Upper plate 71, lower plate 72 and the supporting beam 73 for connecting upper plate 71 and lower plate 72, supporting beam 73 and 6 liang of intersecting lenses of rotary churning pile overlap
Place plane parallel；Using I-steel 70, be conducive to reinforce high-pressure rotary jet grouting pile group 5(referring to the bonding strength between Fig. 2), into
One step reinforce to foundation pit 1(referring to Fig.1) reinforcing.
The implementation principle of above-described embodiment are as follows: when construction, in 1 internal drilling of foundation pit and inject water using 2 machine of high-pressure rotary jet grouting pile
Slurry liquid, while high-pressure rotary jet grouting pile 2 is mutually twisted, high-pressure rotary jet grouting pile group 5 is mutually twisted, and can be formed with this continuous anti-together
Curtain is seeped, foundation pit 1 can effectively be reinforced；Reinforcing member 3 is inserted into cement grout again, and will be reinforced by connection frame 4
Part 3 is connected, then reinforcer 7 is inserted into rotary churning pile overlap 6, and the horizontal shear of high-pressure rotary jet grouting pile 2 can be improved with this
Shear force is conducive to reinforce reinforcing foundation pit 1.
Embodiment 2:
A kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile, referring to figure 5 and figure 6, based on embodiment 1, this implementation
Example the difference from embodiment 1 is that: reinforcing member 3 includes being arranged in high-pressure rotary jet grouting pile 2 and along the reinforcing bar of its short transverse setting
Cage 32；
Referring to figure 6 and figure 7, connection frame 4 include the second transverse slat 400 being arranged radially along steel reinforcement cage 32, third transverse slat 410,
4th transverse slat 420, the 5th transverse slat 430 and the first vertical plate 440 being axially arranged along steel reinforcement cage 32, the second vertical plate 450, third are vertical
Plate 460 and the 4th vertical plate 470；
Referring to Fig. 7, the second transverse slat 400 is connect with steel reinforcement cage 32, the both ends of the first vertical plate 440 respectively with the second transverse slat 400
One end and third transverse slat 410 far from steel reinforcement cage 32 connect, and the second vertical plate 450 is with third transverse slat 410 far from the first vertical plate 440
One end connection, the second vertical plate 450 side to the ground extends；
Referring to Fig. 7, steel reinforcement cage 32 is connect far from the side of the second transverse slat 400 with the 4th transverse slat 420, third vertical plate 460
One end with the 4th transverse slat 420 far from steel reinforcement cage 32, the 5th transverse slat 430 are connect respectively at both ends, the both ends difference of the 5th transverse slat 430
One end, the 4th vertical plate 470 with third vertical plate 460 far from the 4th transverse slat 420 are connect；
Referring to Fig. 7, there are the gap 480 for the insertion of the 5th transverse slat 430 between the second vertical plate 450 and the second transverse slat 400, the
There are the installation spaces 490 being inserted into for third transverse slat 410 between four vertical plates 470 and the 4th transverse slat 420；
Referring to figure 6 and figure 7, the quantity of connection frame 4 be several, preferably three, axis of three connection frames 4 along steel reinforcement cage 32
To being arranged and be evenly arranged on the side wall of steel reinforcement cage 32.
The implementation principle of above-described embodiment are as follows: the difference from embodiment 1 is that: after high-pressure rotary jet grouting pile 2 is constructed, by reinforcing bar
Cage 32 is inserted into high-pressure rotary jet grouting pile 2, and third transverse slat 410 is inserted into installation space 490, the second vertical plate 450 by mobile steel reinforcement cage 32
To being inserted between third vertical plate 460 and the 4th vertical plate 470, the 5th transverse slat 430 is inserted into gap 480, the 4th vertical plate 470 from
And can be inserted between the second vertical plate 450 and the first vertical plate 440, recycle cement shock club to vibrate cement grout, it will
Cement grout shakes between the first vertical plate 440, the 4th vertical plate 470, the second vertical plate 450 and third vertical plate 460, by adjacent reinforcing bar
Space between the connection frame 4 of cage 32 is filled up, and steel reinforcement cage 32 finally injects coagulation in steel reinforcement cage 32 so as to be connected
Soil paste liquid, concrete slurry are mixed with cement grout, and further steel reinforcement cage 32 is fixed in high-pressure rotary jet grouting pile 2, can be with this
The horizontal shear shear force of high-pressure rotary jet grouting pile 2 is improved, and then is conducive to further increase the reinforcing to foundation pit 1.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile, it is characterised in that: including several being arranged in foundation pit (1)
High-pressure rotary jet grouting pile (2), several described high-pressure rotary jet grouting piles (2) are arranged along the length direction of foundation pit (1), the adjacent high-pressure rotary-spray
Stake (2) is mutually twisted, and the high-pressure rotary jet grouting pile (2) is equipped with reinforcing member (3) along its short transverse, the side wall of the reinforcing member (3)
It is equipped with connection frame (4), the adjacent reinforcing member (3) is connected by connection frame (4)；
Several described high-pressure rotary jet grouting piles (2) form high-pressure rotary jet grouting pile group (5), and at least two high pressures are equipped in the foundation pit (1)
Rotary churning pile group (5), the adjacent high-pressure rotary jet grouting pile group (5) are mutually twisted to be formed rotary churning pile overlap (6), the rotary churning pile overlap joint
Reinforcer (7) are equipped in area (6).
2. a kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile according to claim 1, it is characterised in that: the reinforcing
Part (3) includes setting in high-pressure rotary jet grouting pile (2) and along the steel pipe (30) of its short transverse setting, the side wall of the steel pipe (30)
On be evenly equipped with several slurries hole (31) thoroughly, pour in the steel pipe (30) and be inoculated with concrete slurry.
3. a kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile according to claim 2, it is characterised in that: the connection
Frame (4) include the connecting plate (40) being arranged radially respectively along steel pipe (30), card adapter plate (41), support plate (42), interlock plate (43),
First transverse slat (44) and riser (45), the first connecting plate (46), the second connecting plate (47), the gear being axially arranged along steel pipe (30) respectively
Plate (48), the support plate (42) and connecting plate (40) are oppositely arranged, and described connecting plate (40) one end connect with steel pipe (30), is another
One end is connect with riser (45), and the riser (45) connect far from the one end of connecting plate (40) with card adapter plate (41)；
The steel pipe (30) connect far from the side of connecting plate (40) with support plate (42), the both ends point of first connecting plate (46)
One end of one end, interlock plate (43) not with support plate (42) far from steel pipe (30) is connect, the both ends of second connecting plate (47)
It is connect respectively with one end of the one end of interlock plate (43) separate first connecting plate (46), the first transverse slat (44), first transverse slat
(44) one end far from the second connecting plate (47) is connect with baffle (48), and side extends the baffle (48) to the ground, the baffle
(48) there are the gap (49) that card adapter plate (41) protrudes between the first connecting plate (46), the length of the baffle (48) be less than or
Equal to the length of riser (45).
4. a kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile according to claim 3, it is characterised in that: the connection
The quantity of frame (4) is several, several connection frames (4) are arranged along the axial direction of steel pipe (30) and are evenly arranged on the side wall of steel pipe (30)
On.
5. a kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile according to claim 1, it is characterised in that: the reinforcing
Part (3) includes setting in high-pressure rotary jet grouting pile (2) and along the steel reinforcement cage (32) of its short transverse setting.
6. a kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile according to claim 5, it is characterised in that: the connection
Frame (4) includes the second transverse slat (400), third transverse slat (410), the 4th transverse slat (420), the 5th being arranged radially along steel reinforcement cage (32)
Transverse slat (430) and the first vertical plate (440) being axially arranged along steel reinforcement cage (32), the second vertical plate (450), third vertical plate (460)
With the 4th vertical plate (470)；
Second transverse slat (400) connect with steel reinforcement cage (32), the both ends of first vertical plate (440) respectively with the second transverse slat
(400) one end far from steel reinforcement cage (32) and third transverse slat (410) connection, second vertical plate (450) and third transverse slat
(410) one end far from the first vertical plate (440) connects, and the side of second vertical plate (450) to the ground extends；
The steel reinforcement cage (32) connect far from the side of the second transverse slat (400) with the 4th transverse slat (420), the third vertical plate
(460) one end with the 4th transverse slat (420) far from steel reinforcement cage (32), the 5th transverse slat (430) are connect respectively at both ends, and the described 5th
One end with third vertical plate (460) far from the 4th transverse slat (420), the 4th vertical plate (470) are connect respectively at the both ends of transverse slat (430)；
There are the gap (480) for the insertion of the 5th transverse slat (430), institutes between second vertical plate (450) and the second transverse slat (400)
State between the 4th vertical plate (470) and the 4th transverse slat (420) that there are the installation spaces (490) being inserted into for third transverse slat (410).
7. a kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile according to claim 6, it is characterised in that: the connection
The quantity of frame (4) is several, several connection frames (4) are arranged along the axial direction of steel reinforcement cage (32) and are evenly arranged on steel reinforcement cage (32)
On side wall.
8. a kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile according to claim 1, it is characterised in that: the reinforcement
Part (7) includes I-steel (70) of the setting in rotary churning pile overlap (6), and the I-steel (70) includes two parallel upper plates
(71), lower plate (72) and the supporting beam (73) of connection upper plate (71) and lower plate (72), the supporting beam (73) are taken with rotary churning pile
Plane parallel where connecing (6) two intersecting lens of area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822110026.8U CN209538189U (en) | 2018-12-14 | 2018-12-14 | A kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822110026.8U CN209538189U (en) | 2018-12-14 | 2018-12-14 | A kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile |
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| Publication Number | Publication Date |
|---|---|
| CN209538189U true CN209538189U (en) | 2019-10-25 |
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| CN201822110026.8U Expired - Fee Related CN209538189U (en) | 2018-12-14 | 2018-12-14 | A kind of foundation ditch strengthening structure based on high-pressure rotary jet grouting pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808949A (en) * | 2022-05-12 | 2022-07-29 | 徐州市公路工程总公司 | Construction method for reinforcing soft foundation of steel pipe with threads implanted in high-pressure jet grouting pile |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808949A (en) * | 2022-05-12 | 2022-07-29 | 徐州市公路工程总公司 | Construction method for reinforcing soft foundation of steel pipe with threads implanted in high-pressure jet grouting pile |
| CN114808949B (en) * | 2022-05-12 | 2023-09-12 | 徐州市公路工程总公司 | Soft foundation reinforcement construction method for high-pressure jet grouting pile internally-planted threaded steel pipe |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20191025 Termination date: 20211214 |