CN110486019A - The excavating construction method in subterranean communication road is added between new and old building - Google Patents
The excavating construction method in subterranean communication road is added between new and old building Download PDFInfo
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- CN110486019A CN110486019A CN201910659207.2A CN201910659207A CN110486019A CN 110486019 A CN110486019 A CN 110486019A CN 201910659207 A CN201910659207 A CN 201910659207A CN 110486019 A CN110486019 A CN 110486019A
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- building
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- old building
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D7/00—Shaft equipment, e.g. timbering within the shaft
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
Abstract
The excavating construction method that subterranean communication road is added between new and old building of the invention is related to old building underground structure reconstruction technical field.The big problem of the underground space development rebuilding construction difficulty being connected to new building for old building.Excavating construction method: the wall and original base of old building are reinforced, limit deformation and differential settlement of the old building superstructure in later period excavation construction, the vertical shaft that construction can be connected with jacking construction region in old building, and it constructs respectively push pipe mouth building enclosure at jacking construction region both ends, prevent push pipe working region when construction from seeping water, vertical shaft and new building exterior wall to old building, diaphram wall and corresponding push pipe mouth building enclosure punch, jacking construction is implemented using no received well pipe jacking construction technique, old building basement structure and new building basement structure are connected to by subterranean communication road.
Description
Technical field
The present invention relates to old building underground structures to reconstruct construction field, in particular to underground company is added between new and old building
The excavating construction method in channel.
Background technique
More frequent to the transformation of old building in city with the quickening of urbanization process, this not only will be in face of many
The protection problem of historical building also faces and adds the underground space developments such as basement and subterranean communication road in a limited space
It is required that this brings very big difficulty to engineering construction.
Currently, the underground space development that old building underground structure reconstruction project focuses mostly under single building, right
The old building original position excavation of foundation pit and research being connected to new building is less, and increase under old building in Practical Project
If the needs in subterranean communication road are also more urgent, it is usually directed to the protection of old building basis, excavation of foundation pit, building enclosure are torn open
It removes, the processes such as channel connection, meanwhile, old building reconstruction project often faces foundation pit surrounding environment protection and requires high, construction site
The problems such as narrow, Equestrian-Jumping object is mostly and earthwork transportation is difficult, therefore, the arrangement of selection and construction process to construction method
There is very high requirement.
In conclusion in order to effectively solve the difficulty for the underground space development transformation that old building is connected to new building
Topic, those skilled in the art need the excavating construction method that subterranean communication road is added between a kind of new and old building.
Summary of the invention
The big problem of the underground space development rebuilding construction difficulty being connected to new building for old building, this hair
Bright purpose is to provide the excavating construction method that subterranean communication road is added between a kind of new and old building, can safely and efficiently complete
Old building basement structure is added, and completes excavation and the perforation in subterranean communication road, realizes old building basement structure
With the connection of new building basement structure, the resource utilization of the old building underground space is improved.
The technical solution adopted by the present invention to solve the technical problems is: the dark of subterranean communication road is added between new and old building
Cut construction method, steps are as follows:
S1: the wall and original base of bracing reinforcement old building；
S2: the earth excavation after the vertical shaft position of the old building bottom preset carries out building enclosure construction, In
Using along practice construction old building basement structure in the vertical shaft；
S3: processing of removing obstacles is carried out to the jacking construction region where the subterranean communication road to be onstructed, first on the top
It constructs respectively push pipe mouth building enclosure one and push pipe mouth building enclosure two into construction area both ends, in the vertical shaft of the old building
Side and close to vertical shaft the push pipe mouth building enclosure one on punch respectively, and new building exterior wall, diaphram wall and
It punches respectively in the push pipe mouth building enclosure two of new building, punching, position carries out the construction of communication port position and section
Point water-proofing treatment；
S4: will be put in jacking construction region one end by the vertical shaft under pipe jacking equipment and carry out jacking construction, top
Into after the completion of construction, the building enclosure and water-stop curtain in the jacking construction region are cut off, removes and recycle the pipe jacking equipment,
Water-proofing treatment is carried out to the node at underground communication channel communication port position, completes the construction in the subterranean communication road.
Preferably, in the step S1, it is excavated to original base downwards in the bottom plate of the old building, and in the original
Micro-disturbance aperture is carried out on the basis of having, and steel-pipe pile is squeezed into the tapping of the original base by static pressure method.
Preferably, in the step S2, cast-in-situ bored pile, the building enclosure are used on the inside of the building enclosure of the vertical shaft
Outside carries out water-stop curtain construction using the stake of MJS engineering method.
Preferably, it is additionally provided with vertical with its axis in the cast-in-situ bored pile and reinforces frame body made of section steel material,
The center for reinforcing frame body and successively extending transversely through the cast-in-situ bored pile.
Preferably, angle brace is also connected on the inside of the corner for reinforcing frame body.
Preferably, in the step S3, the push pipe mouth building enclosure one and the push pipe mouth building enclosure two include leaning on
The nearly old building or the glass reinforced concrete glass bored concrete pile of new building setting, and be close to the glass reinforced concrete glass and fill
The rotary churning pile infusing stake and being arranged far from the old building or new building.
Preferably, building enclosure, push pipe mouth building enclosure in the step S3, using static(al) patterning method in the vertical shaft
One, it punches on push pipe mouth building enclosure two, new building exterior wall and diaphram wall.
Preferably, in the step S4, the communication port in the subterranean communication road is using the impervious of a grade higher than original structure
Concrete pouring construction, and the buried rubber fastening band in communication port is embedded, moreover, the company of the new building basement structure
Port is in new, old concrete interface setting water expandable waterstop and Full-face pouring pipe.
Effect of the invention is that: the excavating construction method in subterranean communication road is added between new and old building of the invention, it is first
First, the wall and original base of old building reinforced, limits old building superstructure in later period excavation construction
Deformation and differential settlement, the vertical shaft that can be connected with jacking construction region of constructing in old building, and in jacking construction
Region both ends are constructed push pipe mouth building enclosure respectively, are prevented push pipe working region when construction from seeping water, are erected to old building
Well and new building exterior wall, diaphram wall and corresponding push pipe mouth building enclosure punch, and are applied using no received well push pipe
Work technology implements jacking construction, is connected to old building basement structure and new building basement structure by subterranean communication road.
The excavating construction method that subterranean communication road is added between new and old building of the invention can with safely and efficiently completing old building
Lower cell structure is added, and completes excavation and the perforation in subterranean communication road, realizes old building basement structure and new building
The connection of basement structure improves the resource utilization of the old building underground space；Using the vertical shaft in old building as under
The active well of caving tube apparatus reduces working procedure using no received well pipe jacking construction technique；Moreover, the boring construction side
Method excavation range is smaller, effectively reduces influence of the excavation of foundation pit to surrounding enviroment, shortens the construction period, has good
Social benefit and economic benefit.
Detailed description of the invention
Fig. 1 adds old in one embodiment of excavating construction method in subterranean communication road build between new and old building of the present invention
It builds, the plan view in new building and subterranean communication road between the two；
Fig. 2 is one embodiment of the invention schematic diagram that construction steel tubular pole is reinforced on old building original base；
Fig. 3 is schematic diagram of the one embodiment of the invention in construction shaft building enclosure；
Fig. 4 is the transverse cross-sectional view of shaft enclosure structure in one embodiment of the invention；
Fig. 5 is that one embodiment of the invention is constructed the schematic diagram of basement structure in vertical shaft；
Fig. 6 is the location diagram of vertical shaft and jacking construction region in one embodiment of the invention；
Fig. 7 is signal of the one embodiment of the invention in jacking construction region both ends construction glass reinforced concrete glass bored concrete pile
Figure；
Fig. 8 is schematic diagram of the one embodiment of the invention in jacking construction region implementation jacking construction；
Fig. 9 is the signal that one embodiment of the invention installs pipe jacking equipment in the jacking construction region of old building side
Figure；
Figure 10 is structural schematic diagram of the one embodiment of the invention in old building and the subterranean communication road of new building.
Figure 11 is the schematic diagram that one embodiment of the invention punches in the diaphram wall of new building；
Figure label is as follows:
Old building 10；Strip footing 11；Steel-pipe pile 12；Shaft enclosure structure 14；Cast-in-situ bored pile 14a；MJS engineering method stake
14b；Reinforce frame body 14c；Vertical shaft 15；Old building basement structure 16；New building basement structure 20；New building exterior wall
21；Diaphram wall 22；Jacking construction region 30；Push pipe mouth building enclosure 1；Push pipe mouth building enclosure 2 41；Pipe jacking equipment
50；Subterranean communication road 60.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be noted that attached drawing is adopted
With very simplified form and using non-accurate ratio, only to facilitate, lucidly aid in illustrating the embodiment of the present invention
Purpose.For sake of convenience, "upper" described below, "lower" are consistent with the upper and lower direction of attached drawing, but this can't be this hair
The limitation of bright technical solution.
Illustrate the excavating construction method that subterranean communication road is added between new and old building of the invention in conjunction with Fig. 1 to Figure 11, it should
Excavating construction method is suitable for the case where old building 10 is not connect with the basement one of new building basement structure 20, such as
Shown in Fig. 1 and Fig. 2,10 aerial part of old building of the present embodiment is reinforced concrete structure, and without basement structure, original
Base form is the strip footing 11 of armored concrete and several independent foundation under column, new building are multistory reinforced concrete knot
Structure, basement structure 20 are the building enclosure with 22 form of diaphram wall, and arrangement and method for construction is the original in old building 10
There is foundation bottom that vertical shaft 15 is set, and 15 bottom of vertical shaft is connected to by subterranean communication road 60 with new building basement structure 20,
60 region of subterranean communication road for being vertical shaft 15 shown in dotted line in figure and communicating therewith, steps are as follows for Specific construction:
S1: firstly, clear construction site surrounding enviroment, the cloth of 10 sub-surface characteristic of old building and its strip footing 11
It sets situation, and determines that the number of plies of basement structure yet to be built, layer be high and length, the depth in subterranean communication road 60 etc., as shown in Fig. 2,
Bracing reinforcement measure is taken to the strip footing 11 of old building 10；
S2: as shown in Figure 3 and Figure 4, going along with sb. to guard him 15 position of vertical shaft preset in old building 10, meanwhile, it examines
It is lower to consider 10 inside head room of old building, therefore building enclosure is carried out using low pile frame in preset 15 position of vertical shaft
Construction, earth excavation after the completion of shaft enclosure structure 14 is constructed；As shown in figure 5, old using constructing along the practice in vertical shaft 15
Building basement structure 16；
S3: as shown in fig. 6, need the region (i.e. jacking construction region 30) passed through to carry out processing of removing obstacles jacking construction,
As shown in fig. 7, first constructing respectively push pipe mouth building enclosure 1 and push pipe mouth building enclosure two at 30 both ends of jacking construction region
41, prevent push pipe working region when construction from seeping water, 15 side of vertical shaft in old building 10 and the push pipe close to vertical shaft 15
It punches respectively in mouth building enclosure 1, and in new building exterior wall 21, diaphram wall 22 and close to the push pipe of new building
It punches respectively in mouth building enclosure 2 41, carries out the construction of communication port position and node waterproof processing in the position that punches；
S4: as shown in Figure 7, Figure 8 and Figure 9, pipe jacking equipment 50 is installed on by 30 one end of jacking construction region by vertical shaft 15
And carry out jacking construction, as shown in Figure 10 and Figure 11, after the completion of jacking construction, cut off jacking construction region 30 building enclosure with
Pipe jacking equipment 50 is removed and recycled to water-stop curtain, carries out water-proofing treatment to the communication port node of underground communication channel 60, completes underground
The construction of communication channel 60, to be connected to old building basement structure 16 and new building basement knot by subterranean communication road 60
Structure 20.
The excavating construction method in subterranean communication road is added between new and old building of the invention, firstly, to old building 10
Wall and original base are reinforced, and are limited deformation of 10 superstructure of old building in later period excavation construction and are sunk with uneven
Drop, the vertical shaft 15 that can be connected with jacking construction region 30 of constructing in old building 10, and 30 liang of jacking construction region
Push pipe mouth building enclosure of constructing respectively is held, prevents push pipe working region when construction from seeping water, to the vertical shaft 15 of old building 10
It punches with new building exterior wall 21, diaphram wall 22 and corresponding push pipe mouth building enclosure, using no received well push pipe
Construction technology implements jacking construction, is connected to old building basement structure 16 and new building basement by subterranean communication road 60
Structure 20.Added between new and old building of the invention subterranean communication road excavating construction method can safely and efficiently complete it is old
Building basement structure 16 is added, and completes excavation and the perforation in subterranean communication road 60, realizes old building basement structure
16 with the connection of new building basement structure 20, improve the resource utilization of 10 underground space of old building；It is built old
The vertical shaft 15 built in 10 reduces construction using no received well pipe jacking construction technique as the active well of decentralization pipe jacking equipment 50
Process；Moreover, excavating construction method excavation range is smaller, influence of the excavation of foundation pit to surrounding enviroment is effectively reduced, is contracted
The short construction period has good Social benefit and economic benefit.
As shown in Fig. 2, being excavated to downwards at strip footing 11 in the bottom plate of old building 10, and in step S1 in bar shaped
Micro-disturbance aperture is carried out on basis 11, and steel-pipe pile 12 is passed through by static pressure method using the construction method of low clearance static pressure steel-pipe pile 12
It squeezes into the tapping of strip footing 11, realizes the strengthening construction to the strip footing 11 of old building 10, by steel pipe column and original
Basis, which combines, to be formed transmitting, undertake the monoblock type foundation form of 10 superstructure load of old building, to limit old build
Build the deformation and differential settlement that 10 superstructures generate in later period digging process.
As shown in Figure 3 and Figure 4, in step S2, cast-in-situ bored pile 14a is used on the inside of the building enclosure of vertical shaft 15, drilling fills
After the completion of infusing column construction, outside carries out water-stop curtain construction using MJS engineering method stake 14B (using comprehensive high-pressure injection method),
It can be realized the comprehensive reinforcing of vertical shaft 15, and small to surrounding enviroment and ground disturbing influence.More preferably, as shown in figure 4,
The cross section of vertical shaft 15 is rectangle in the present embodiment, is additionally provided in cast-in-situ bored pile 14a vertical with its axis and by section steel material
Manufactured reinforcing frame body 14c reinforces the center that frame body 14c successively extends transversely through cast-in-situ bored pile 14a, reinforces frame body 14c and is used for
The overall stability of 15 vertical shaft of vertical shaft, 15 building enclosure 14 is improved, deforms to avoid reinforcing frame body 14c, reinforces frame body 14c
Corner on the inside of be also connected with angle brace.
In step S3, processing of removing obstacles to jacking construction region is realized using full-rotating drill, and using earth excavation with
Transporting equipment solves the problems, such as earth excavation and transport under small space.
As shown in fig. 7, push pipe mouth building enclosure 1 and push pipe mouth building enclosure 2 41 include close to old in step S3
The glass reinforced concrete glass bored concrete pile of building 10 or new building, and rotary churning pile on the outside of it is set to as jacking construction region
30 water-stop curtain, after the completion of jacking construction, using the removing easier to cut of the building enclosure of glass reinforced concrete glass bored concrete pile.
Above-mentioned glass reinforced concrete glass is made of rubble, fine sand, cement, water, glass fibre and water-reducing agent etc., and wherein glass fibre exists
Content in every cubic meter of concrete block is 20-40kg/m3, made concrete, which is gone out and passed through by slush pump duct injection, to be stirred
Mix mixed pile-forming, cracking resistance has obtained large increase, in stake glass fibre at three-dimensional random distribution, by cement base-material with
The interaction of glass fibre improves the toughness and bending strength of pile body.
More preferably, in step S3, using static(al) patterning method the building enclosure of vertical shaft 15, push pipe mouth building enclosure 1,
It punches on push pipe mouth building enclosure 2 41, new building exterior wall 21 and diaphram wall 22, static(al) patterning method is by diamond
Under high-speed motion effect, grinding cutting is carried out to building enclosure and wall by designated position, is had shockproof, not damaged etc. excellent
Point.
In step S4, the communication port in the subterranean communication road 60 between old building 10 and the basement structure of new building is adopted
With the water-tight concrete of a grade higher than original structure, and buried rubber fastening band waterproof in using, with new building basement knot
The communication port construction Ying Xin of structure 20, water expandable waterstop and Full-face pouring pipe are set at old concrete interface, avoided
Communication port influences construction quality because of infiltration.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to scope of the claims.
Claims (8)
1. adding the excavating construction method in subterranean communication road between new and old building, which is characterized in that steps are as follows:
S1: the wall and original base of bracing reinforcement old building；
S2: the earth excavation after the vertical shaft position of the old building bottom preset carries out building enclosure construction, described
Using along practice construction old building basement structure in vertical shaft；
S3: processing of removing obstacles is carried out to the jacking construction region where the subterranean communication road to be onstructed, is first applied in the jacking
Work area domain both ends are constructed push pipe mouth building enclosure one and push pipe mouth building enclosure two respectively, in the vertical shaft side of the old building
And it punches respectively in the push pipe mouth building enclosure one of vertical shaft, and in new building exterior wall, diaphram wall and close
It punches respectively in the push pipe mouth building enclosure two of new building, carries out the construction of communication port position in the position that punches and node is anti-
Water process；
S4: jacking construction region one end will be put in by the vertical shaft under pipe jacking equipment and carries out jacking construction, jacking is applied
After the completion of work, the building enclosure and water-stop curtain in the jacking construction region are cut off, removes and recycles the pipe jacking equipment, over the ground
The node at lower communication channel communication port position carries out water-proofing treatment, completes the construction in the subterranean communication road.
2. excavating construction method according to claim 1, it is characterised in that: in the step S1, in the old building
Bottom plate be excavated to original base downwards, and micro-disturbance aperture is carried out on the original base, by static pressure method by steel-pipe pile
Squeeze into the tapping of the original base.
3. excavating construction method according to claim 1, it is characterised in that: in the step S2, the vertical shaft is gone along with sb. to guard him
Cast-in-situ bored pile is used on the inside of structure, uses the stake of MJS engineering method to carry out water-stop curtain construction on the outside of the building enclosure.
4. excavating construction method according to claim 3, it is characterised in that: be additionally provided in the cast-in-situ bored pile and its axis
Line is vertical and frame body is reinforced made of section steel material, and the reinforcing frame body successively extends transversely through in the cast-in-situ bored pile
The heart.
5. excavating construction method according to claim 4, it is characterised in that: be also connected on the inside of the corner for reinforcing frame body
There is angle brace.
6. excavating construction method according to claim 1, it is characterised in that: in the step S3, the push pipe mouth is gone along with sb. to guard him
Structure one and the push pipe mouth building enclosure two include the glass fibre coagulation being arranged close to the old building or new building
Native bored concrete pile, and the whirl spraying being close to the glass reinforced concrete glass bored concrete pile and being arranged far from the old building or new building
Stake.
7. excavating construction method according to claim 1, it is characterised in that: in the step S3, using static(al) patterning method
It is continuous in the building enclosure of the vertical shaft, push pipe mouth building enclosure one, push pipe mouth building enclosure two, new building exterior wall and underground
It punches on wall.
8. excavating construction method according to claim 1, it is characterised in that: in the step S4, the subterranean communication road
Communication port use the water-tight concrete pouring construction of a grade higher than original structure, and the buried rubber water-proof in communication port is embedded
Band, moreover, the communication port of the new building basement structure in new, old concrete interface setting water expandable waterstop and
Full-face pouring pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910659207.2A CN110486019B (en) | 2019-07-22 | 2019-07-22 | Underground excavation construction method for additionally arranging underground communication channels between new buildings and old buildings |
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| CN201910659207.2A CN110486019B (en) | 2019-07-22 | 2019-07-22 | Underground excavation construction method for additionally arranging underground communication channels between new buildings and old buildings |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236310A (en) * | 2020-03-03 | 2020-06-05 | 福建工程学院 | Construction method of connecting channel of existing underground structure in weak water-rich stratum |
| CN113294159A (en) * | 2021-04-22 | 2021-08-24 | 核工业井巷建设集团有限公司 | High-stability working well structure suitable for long-distance large-section jacking pipe and construction method |
| CN113585287A (en) * | 2021-08-25 | 2021-11-02 | 中铁第六勘察设计院集团有限公司 | Support structure for combined construction of vertical shaft and foundation pit in TOD mode and construction method |
| CN115233733A (en) * | 2022-09-01 | 2022-10-25 | 广州珠江建设发展有限公司 | Underground structure connection method for penetrating through thick and heavy ground connecting wall in narrow space |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236310A (en) * | 2020-03-03 | 2020-06-05 | 福建工程学院 | Construction method of connecting channel of existing underground structure in weak water-rich stratum |
| CN113294159A (en) * | 2021-04-22 | 2021-08-24 | 核工业井巷建设集团有限公司 | High-stability working well structure suitable for long-distance large-section jacking pipe and construction method |
| CN113294159B (en) * | 2021-04-22 | 2024-04-12 | 核工业井巷建设集团有限公司 | High-stability working well structure suitable for long-distance large-section jacking pipe and construction method |
| CN113585287A (en) * | 2021-08-25 | 2021-11-02 | 中铁第六勘察设计院集团有限公司 | Support structure for combined construction of vertical shaft and foundation pit in TOD mode and construction method |
| CN115233733A (en) * | 2022-09-01 | 2022-10-25 | 广州珠江建设发展有限公司 | Underground structure connection method for penetrating through thick and heavy ground connecting wall in narrow space |
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| Publication number | Publication date |
|---|---|
| CN110486019B (en) | 2020-11-06 |
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