CN1103398C - Special apparatus and construction technique for joining underground continuous walls - Google Patents
Special apparatus and construction technique for joining underground continuous walls Download PDFInfo
- Publication number
- CN1103398C CN1103398C CN 99108703 CN99108703A CN1103398C CN 1103398 C CN1103398 C CN 1103398C CN 99108703 CN99108703 CN 99108703 CN 99108703 A CN99108703 A CN 99108703A CN 1103398 C CN1103398 C CN 1103398C
- Authority
- CN
- China
- Prior art keywords
- isolated plant
- flexible pouch
- counter balance
- concrete
- balance pocket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The present invention relates to a dedicated apparatus for the joint construction of underground continuous walls and a construction technique, which belongs to a construction technique of the underground continuous walls. The dedicated apparatus is characterized in that a flexible bag matches with a counterweight bag, and the protecting bag can be sheathed outside the flexible bag; the upper opening of the flexible bag can be connected with a rigid connection pipe. The design of the present invention changes a rigid joint device into a flexible joint device. In construction, a counterweight object is put into the counterweight bag; the dedicated apparatus is put at a specified position of a slotted hole, the upper end of the dedicated apparatus is fixed to the ground, and sand is perfused to keep definite sand height so as to carry out concrete perfusion operation; after concrete is condensed, the sand is taken out, the dedicated apparatus is drawn out, the concrete is perfused into joint positions, and thus, the construction of the continuous wall is completed. The present invention has the advantages of convenient operation and evident economic benefits and can save a large quantity of mechanical devices and manual work.
Description
The invention belongs to the underground continuous wall construction technique field, particularly a kind of underground continuous wall connector construction isolated plant and job practices.
The underground continuous wall connector form of construction work comprises that Churn drill cuts joint concrete method, junction block method, interval steel plate method, precast concrete joint piece method, T junction case method etc.It is after the slotted eye excavation that Churn drill cuts joint concrete method, behind the placing of concrete, chisels the concrete of the joint area of diaphragm wall unit wall section, is convenient to next unit groove section grooving construction.This method needs Churn drill to carry out the joint area concrete to cut work, and drill bit is damaged very fast, the time-consuming material that takes.The junction block method is after having dug groove, inserts junction block at joint area, then hangs in reinforcing cage, again placing of concrete.After concrete pouring, should be according to temperature, hinged pipe frequently with vibrating hammer or jack, or is stirred junction block earlier with hoist engine slightly by assembly pulley, makes with concrete to break away from.At set intervals pipe is pulled out on slowly then, by joint junction block was extracted ground greatly after 3-4 hour, carry out next unit groove section grooving construction then, remove body refuse on the joint face, placing of concrete continues each unit wall section.The steel plate mode is at reinforcing cage two ends welding v-shaped plate at interval, after the grooving end of job, hangs in reinforcing cage, can bear concrete lateral pressure for making dividing plate, and dividing plate side in addition inserts junction block or backfill grit, builds concrete then.Steel plate is made forming V-shape, can make each unit wall section be linked to be an overall structure, and improve the anti-seepage effect that intercepts water of joint.This method joint quality is good, but needs welding steel on reinforcing cage, and still need use junction block.Precast concrete joint block mode is after grooving finishes, and prefabricated concrete block is coupled together with bolt at joint area, hangs in piecemeal in the groove, is embedded in the concrete of subterranean wall.This method needs precast concrete joint piece, needs lifting in the construction.T junction case mode need be made the joint case in advance, during construction the joint case is inserted wall section joint area, and the reinforcing cage two ends constitute convex and concave joggle groove.Behind the placing of concrete joint case is extracted, put into adjacent segment reinforcing cage and placing of concrete.This joint style fuses each unit wall section reinforcing bar, and the structure quality is good, but the joint area body refuse is difficult to remove, and is not easy to reinforcing cage and hangs.
The object of the invention is to provide a kind of easy construction, cheap underground continuous wall connector construction isolated plant and job practices.
For reaching above-mentioned purpose, the present invention adopts following technical scheme: underground continuous wall connector construction isolated plant, comprise the flexible pouch of upper and lower opening and the counter balance pocket of upper end open, and the flexible pouch lower end is connected with the counterweight sack.
Flexible pouch is with the protective bag of an and upper and lower opening isometric with it outward, and concordant on protective bag upper end and the flexible pouch, its lower end is connected with counter balance pocket with the flexible pouch lower end.
Flexible pouch and counter balance pocket connecting place are provided with preformed hole, and the two connects with connecting band by preformed hole.
Flexible pouch and protective bag lower end and counter balance pocket connecting place are provided with preformed hole, and the three connects with connecting band by preformed hole.
Also comprise a rigid connection pipe, flexible pouch is suitable for reading to be connected and fixed with the rigid connection pipe.
On the outer wall of rigid connection pipe bottom the convex-concave band is arranged, the flexible pouch cover is fixed thereon and with tightening up hoop, and rigid connection pipe top is provided with ground and is fixedly coupled part.
Counter balance pocket is made by seepy material.
There is length to link to each other with the counter balance pocket bottom is middle on the flexible pouch preformed hole greater than the high strength connecting band of counter balance pocket.
The underground continuous wall connector job practices is included in and lays joint construction isolated plant in the slotted eye that digs, and concrete perfusion takes out joint construction isolated plant, the joint area concrete perfusion.The isolated plant setting method is, the mass of packing in the isolated plant counter balance pocket is vertically put into the slotted eye assigned address to isolated plant, and its top is fixed on the ground; After isolated plant is laid, make it be substantial cylindric to wherein filling sand, the isolated plant removing method is extracted piecing devices then at first taking out the sand of filling in the isolated plant.
During concrete perfusion, should guarantee that Shamian Island exceeds concrete surface 4-6 rice all the time in the isolated plant bag.
Before the concrete perfusion, earlier being full of sand in the isolated plant bag.
Isolated plant takes out after concrete final set, follows the example of to water jetting sand wherein being gone out earlier, extracts isolated plant again.
Fig. 1 is the flexible pouch structural representation;
Fig. 2 is the protective bag structural representation;
Fig. 3 is a rigid connection tubular structure schematic diagram;
Fig. 4 is the counter balance pocket structural representation;
Fig. 5 is an isolated plant structural representation of the present invention;
Fig. 6 is the A-A cutaway view Amplified image of Fig. 5.
Using method of the present invention is: mass---the silty sand of packing in the counter balance pocket guarantees that piecing devices can be suitable Sharp in the slotted eye that digs assigned address. Piecing devices in the slotted eye behind the assigned address, the anchor tip device Suitable for reading on ground, in piecing devices, fill sand, and suitable water-filling, make piecing devices remain on the slotted eye connector portions The position. The device outer wall fits tightly with the slotted eye wall because filling sand. Placing concrete in the slotted eye then, or put into reinforcing bar Placing concrete behind the cage. Can be earlier being full of behind the sand again concrete placing in the piecing devices, but also to fill the pouring of husky limit mixed on the limit Solidifying soil under the latter event, should remain that Shamian Island is higher than concrete surface 4-6 rice in the piecing devices, waits to water Complete, after the concrete final set, adopt the general water jetting in this area to take out sand, extract again piecing devices. Gentle Connecting band can disconnect when isolated plant pulls out in property bag and the counter balance pocket preformed hole, and water wherein flow to week from the bottom Enclose in the mud, thereby can easily extract isolated plant, form the joint space, carry out next groove section construction. To connecing Placing concrete can form diaphragm wall behind head position placing concrete or the insertion steel reinforcement cage. If flexible pouch and counterweight The bag connecting band adopts the high strength band, and counter balance pocket adopts seepy material to make, then can after getting sand, integral body extract, its In water see through counter balance pocket and overflow into mud on every side. If flexible pouch and counter balance pocket connecting band adopt common intensity---energy Bear that mass weight gets final product in the counter balance pocket, counter balance pocket does not adopt seepy material, reserves in flexible pouch and counter balance pocket There is a length to link to each other with the counter balance pocket bottom center greater than the high strength connecting band of counter balance pocket on the hole. Getting Sha Houshang pulls out specially During with device, connecting band disconnects in flexible pouch and the counter balance pocket preformed hole, in flexible pouch preformed hole and the counter balance pocket bottom The connecting band that the centre links to each other does not disconnect, on when pulling out isolated plant, water wherein is excessive from flexible pouch and counter balance pocket gap In entering on every side mud. Rear two kinds of situation lower contact isolated plants are all extracted from joint area, and joint area is not lost Stay foreign material.
The present invention adopts flexible bag and counter balance pocket, rigid attachment pipe to be used, and the counter balance pocket guide-localization is gentle The property bag fill sand and water occupy-place and form the joint space, rigid attachment is effective to be fixed flexible bag and fills husky operation, Simple in structure, do not need main equipment, easy to use. Owing to adopt flexible bag, fill behind sand and the water and the slotted eye wall Close contact streams in the time of can avoiding placing concrete. Flexible bag selects high-strength material to make, and can adopt With two cloth, three glue nylon fibre adhesive plasters, skeleton tensile strength reaches 384kN/m, its outer socket not with the concrete adhesion High strength protective bag (complex fabric cloth), protect flexible bag not to be damaged, greatly prolong service life. In addition Outer the present invention adopts flexible design, collapsible, be easy to stack, carrying.
Adopt the present invention to carry out the construction of diaphragm wall experiment and show that these piecing devices are used for being constructed into groove depth, speed is fast; Compare with the junction block method with the joint concrete method that cuts commonly used, saving of work and time, benefit is obvious. Construction of diaphragm wall The joint concrete method that cuts commonly used is finished the joint seam, adopts this method, by dark 42.5 meters of actual wall, 45 centimetres of wall thicknesses, Every joint processing time is not less than 120 hours, and waste concrete seven .2 cubic meter, and 13 cubic metres of clays more account for With equipment and artificial. And adopting the present invention to construct, every joint only needs 6 people can finish used sand in 4 hours Can reclaim, piecing devices can repeatedly recycle. Both compare, and every joint latter is more about than the former cost saving 9000 yuan, economic benefit is obvious.
Further specify the present invention below in conjunction with accompanying drawing by embodiment.
Embodiment 1, and underground continuous wall connector construction isolated plant comprises rigid connection pipe 1, the flexible bag 2 of upper and lower opening, counter balance pocket 3.Cross section perpendicular to axial direction, flexible bag 2 lower ends is provided with preformed hole 4, and counter balance pocket sack cross section perpendicular to axial direction is provided with preformed hole 5, and flexible bag 2 is connected by preformed hole 4,5 usefulness connecting bands 6 with counter balance pocket 3.The outer protective bags 7 that are with of flexible pouch 2, protective bag is suitable for reading concordantly to be placed in that rigid connection pipe 1 bottom is concavo-convex is with on 8 with flexible pouch is suitable for reading, and the protective bag lower end is passed through preformed hole 11 usefulness connecting bands 6 and is linked to each other with the counterweight sack with the flexible pouch lower end.The bag external application tightens up hoop 9 makes bag fixedly connected with connecting tube.The connecting tube upper end is connected with the flange 10 that is connected and fixed with ground, has on it and fixedly uses screw.Between connecting band 12 is connected at the bottom of flexible pouch preformed hole and the counter balance pocket.
Embodiment 2, and the underground continuous wall connector job practices is laid the joint isolated plant in the good groove of excavation: at first fill sand in counter balance pocket, isolated plant is transferred to assigned address in the groove, the isolated plant upper end is fixed on the ground; Fill sand---fill sand to the isolated plant bag and make bag enrich circle to annotate shape; Concrete perfusion, the method that adopts the limit to fill husky limit concrete perfusion remains that Shamian Island exceeds concrete surface more than 4 meters in the isolated plant; Concrete placing is to predetermined altitude, treat concrete final set after, adopt water jetting water-filling in isolated plant that sand is gone out, extract the joint isolated plant again.Disconnect when the connecting band between flexible pouch and protective bag and counter balance pocket on the preformed hole pulls out on isolated plant, and connecting band does not disconnect between flexible pouch preformed hole and counter balance pocket bottom.Water wherein from disconnect the position overflow to around the mud, thereby can extract isolated plant very like a cork, then to the joint area concrete perfusion diaphragm wall.
Claims (12)
1, underground continuous wall connector construction isolated plant, the present invention is characterised in that, comprises the flexible pouch of upper and lower opening and the counter balance pocket of upper end open, the flexible pouch lower end is connected with the counterweight sack.
2, device as claimed in claim 1 is characterized in that, flexible pouch is with the protective bag of an and upper and lower opening isometric with it outward, and concordant on protective bag upper end and the flexible pouch, its lower end is connected with counter balance pocket with the flexible pouch lower end.
3, device as claimed in claim 1 is characterized in that, flexible pouch and counter balance pocket connecting place are provided with preformed hole, and the two connects with connecting band by preformed hole.
4, device as claimed in claim 2 is characterized in that, flexible pouch and protective bag lower end and counter balance pocket connecting place are provided with preformed hole, and the three connects with connecting band by preformed hole.
5, as claim 1,2,3,4 described devices is characterized in that, also comprise a rigid connection pipe, and flexible pouch is suitable for reading to be connected and fixed with the rigid connection pipe.
6, device as claimed in claim 5 is characterized in that, on the outer wall of rigid connection pipe bottom the convex-concave band is arranged, and the flexible pouch cover is fixed thereon and with tightening up hoop, and rigid connection pipe top is provided with ground and is fixedly coupled part.
7, device as claimed in claim 6 is characterized in that, counter balance pocket is made by seepy material.
8, device as claimed in claim 6 is characterized in that, has length to link to each other with the counter balance pocket bottom is middle greater than the high strength connecting band of counter balance pocket on the flexible pouch preformed hole.
9, underground continuous wall connector job practices, the present invention is characterised in that, be included in and lay joint construction isolated plant in the slotted eye that digs, concrete perfusion takes out joint construction isolated plant, the joint area concrete perfusion, the isolated plant setting method is, the mass of packing in the isolated plant counter balance pocket is vertically put into the slotted eye assigned address to isolated plant, and its top is fixed on the ground; After isolated plant is laid, make it be substantial cylindric to wherein filling Sha Jishui; The isolated plant removing method is extracted piecing devices then at first taking out the sand of filling in the isolated plant.
10, job practices as claimed in claim 7 is characterized in that, during concrete perfusion, should guarantee that Shamian Island exceeds concrete surface 4-6 rice all the time in the isolated plant bag.
11, as job practices as described in the claim 7, it is characterized in that, before the concrete perfusion,, make it be substantial cylindric earlier being full of sand in the isolated plant bag.
12, as claim 7,8,9 described job practicess, it is characterized in that isolated plant takes out after concrete final set, follow the example of, extract isolated plant again to sand wherein being gone out earlier with water jetting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99108703 CN1103398C (en) | 1999-06-15 | 1999-06-15 | Special apparatus and construction technique for joining underground continuous walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99108703 CN1103398C (en) | 1999-06-15 | 1999-06-15 | Special apparatus and construction technique for joining underground continuous walls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1243901A CN1243901A (en) | 2000-02-09 |
| CN1103398C true CN1103398C (en) | 2003-03-19 |
Family
ID=5273442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99108703 Expired - Fee Related CN1103398C (en) | 1999-06-15 | 1999-06-15 | Special apparatus and construction technique for joining underground continuous walls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1103398C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806067A (en) * | 2009-02-16 | 2010-08-18 | 上海市机械施工有限公司 | Construction method of underground continuous wall joints by using air bag |
| CN103526778B (en) * | 2012-07-01 | 2016-08-10 | 中冶天工上海十三冶建设有限公司 | Use the construction method of underground continuous wall of locking notch pipe joint |
-
1999
- 1999-06-15 CN CN 99108703 patent/CN1103398C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1243901A (en) | 2000-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110042844B (en) | Construction method of cast-in-situ large-diameter foundation pit supporting tubular pile | |
| CN110185037B (en) | Method and structure for mechanically breaking pile head of cast-in-place pile | |
| CN101255691B (en) | Construction method for complete casing tube thin wall filling pile and movable internal mold | |
| CN101550697A (en) | Pulling-out method of underground piles by sleeving, vibrating and punching | |
| CN105672250B (en) | A kind of diaphram wall and underwater concrete tongue and groove bindiny mechanism and construction method | |
| CN107471414A (en) | A kind of construction method of draw type steel internal mould and pre-cast hollow slab | |
| CN108049890A (en) | A kind of suspension device and method for protecting support to empty lane | |
| CN1103398C (en) | Special apparatus and construction technique for joining underground continuous walls | |
| CN100520140C (en) | Fiberglass sand inclusion pipe with axial direction fibre and manufacturing method | |
| CN204919546U (en) | But recovery type soil nail | |
| CN2380611Y (en) | Apparatus special for construction of underground continuous wall jointing | |
| CN102345287A (en) | Construction method of large-diameter cast-in-situ thin-wall concrete composite pile and special hole forming device | |
| CN108385674A (en) | High-bearing capacity thin-wall steel tube concrete pile construction method and device and its application | |
| CN102828507A (en) | Construction method and special hole former for large-diameter cast-in-situ concrete composite pile | |
| CN112176954A (en) | Construction method for newly excavated channel | |
| CN208917830U (en) | For being implanted into the static pressure pipe pile anchor ear of pile driving construction | |
| CN103938619A (en) | Construction process of tubular pile and special hole opener of construction process | |
| CN106522167B (en) | The construction method of water-bag type concrete works sealing swaging die with protrusion | |
| CN206554106U (en) | Conehead muscle body posttension pile foundation | |
| CN202577362U (en) | Flexible underground continuous wall connector | |
| CN1053273A (en) | Bridge pier bearing platform construction method and apparatus in the water | |
| CN108894206A (en) | Shoal sewage pipe, well anti-floating system and construction method | |
| CN204898670U (en) | Counter -force steel -pipe pile pile pulling device and clear native device are pressed to hole | |
| CN207905819U (en) | A kind of suspension device to empty lane | |
| CN112176953A (en) | Construction method for newly-built channel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1063066 Country of ref document: HK |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |