CN101550690B - Triangular concrete thin-wall folded plate pile and preparation method thereof - Google Patents
Triangular concrete thin-wall folded plate pile and preparation method thereof Download PDFInfo
- Publication number
- CN101550690B CN101550690B CN2009100313217A CN200910031321A CN101550690B CN 101550690 B CN101550690 B CN 101550690B CN 2009100313217 A CN2009100313217 A CN 2009100313217A CN 200910031321 A CN200910031321 A CN 200910031321A CN 101550690 B CN101550690 B CN 101550690B
- Authority
- CN
- China
- Prior art keywords
- concrete
- plate
- pile
- crack pouring
- triangular
- 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
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a triangular concrete thin-wall folded plate pile; end-to-end connection is conducted on a concrete left plate, a concrete middle plate and a concrete right plate so as to bend and form a triangular drum shape; the three angles of the triangular drum are respectively provided with a first bottom angle joint-pouring concrete zone, a second bottom angle joint-pouring concrete zone and a top angle joint-pouring concrete zone which cover part of steel bars of a steel bar mesh. A preparation method comprises the following steps: the concrete left plate, the concrete middle plate and the concrete right plate which are flatly horizontal are simultaneously poured and stretched to form a concrete flat plate of which three steel bar meshes are connected; the concrete left plate and the concrete right plate are symmetrically bent to form an angle; when the angle reaches 90 degrees, harsh concrete is adopted to cast the bottom angle joint-pouring concrete zones; the symmetrical bending is conducted continuously so as to lead the concrete left plate, the concrete middle plate and the concrete right plate to form a triangular drum shape; short connecting bars on the top part are welded, the top angle joint-pouring concrete zones are cast, simultaneously adjustment and repairing are conducted on the bottom angle joint-pouring concrete zones, and when the joint-pouringconcrete reaches design strength, the triangular concrete thin-wall folded plate pile is formed.
Description
Technical field
The present invention relates to a kind of pile foundation technology of civil engineering structure, be applied to build, the ground in engineering field such as bridge handles and pattern foundation pit supporting structure, be applied to the retaining support in boat engineering field, port, relate in particular to a kind of triangular concrete thin-wall folded plate pile and preparation method thereof.
Background technology
The ground in a lot of coastal cities of China belongs to soft foundation, so the basis and the retaining support structure of the building in these areas, bridge, port boat engineering much adopt pilework.Common stake has Prefabricated Reinforced Concrete Square Pile, bored pile, prestressed centrifugally concrete tubular pile and steel pipe pile or the like, wherein Prefabricated Reinforced Concrete Square Pile has that construction quality more easily guarantees, the bearing capacity advantages of higher, but construction noise and vibration are bigger, produce big soil compaction effect in the pile driving process, thereby should not be used for the dense district of urban population.Bored pile construction noise and vibration are little, and cost is low, but its construction quality deviation is big, and stake side frictional resistance and end resistance are little than preformed pile, and the earth that produces in the work progress, muddy water are handled difficult.The prestressed centrifugally concrete tubular pile has the bearing capacity height, anti-ly beats, from advantages such as heavy and light, material saving, but it needs professional plant produced.Steel pipe pile is in light weight, and required pile driver energy is little, and it is little to produce the soil compaction influence in the work progress, but it costs an arm and a leg.
The construction of traditional concrete pile foundation engineering is better, but expense is higher; Engineering costs such as deep-mixed pile, husky stake, broken stone pile are low, but construction quality is difficult for guaranteeing.The new stake type that a kind of expense is lower, construction quality more easily guarantees is needed in the engineering field badly.Concrete flap technology has obtained using widely in the construction work, the flap construction technology that utilization is ripe, the new stake type of invention triangular concrete thin-wall folded plate pile.The triangle folded plate pile has the advantage of plane institution movement and space member two aspects, as flat board, can at the construction field (site) flat board be bent into the triangle pile tube before the pile sinking in making, stacking and transportation.The triangular concrete thin-wall folded plate pile cost is low, in light weight, bending resistance is strong, rigidity of section is big, belongs to the space thin-wall member, and lifting is convenient.
Summary of the invention
Technical problem: the invention provides and a kind ofly be convenient to stack and transport, have simultaneously triangular concrete thin-wall folded plate pile of plane institution movement and space member advantage and preparation method thereof.
Technical scheme:
A kind of triangular concrete thin-wall folded plate pile of the present invention, comprise: steel mesh reinforcement, the joining end to end and form the triangle barrel shape of steel mesh reinforcement, on three faces of triangle tube, be respectively equipped with concrete left side plate, plate and concrete right panel in the concrete, place, two base angles at the triangle tube is provided with the first base angle crack pouring concrete band and the second base angle crack pouring concrete band respectively, and the reinforcing bar of two bottom corner portions of steel mesh reinforcement is respectively the first base angle crack pouring concrete band and the second base angle crack pouring concrete band coats, be provided with drift angle crack pouring concrete band at the drift angle place of triangle tube, and the reinforcing bar of the top corner portion of steel mesh reinforcement is coated by drift angle crack pouring concrete band.
The preparation method of triangular concrete thin-wall folded plate pile of the present invention:
At first smooth good place, measure setting-out, the brushing interleaving agent, the topping cushion block is set, the assembling reinforcement net, the installation template, build simultaneously and open the flat concrete left side plate that crouches, plate in the concrete, the concrete right panel, form the concrete flat slab that three steel mesh reinforcements link to each other, with concrete left side plate and the bending of concrete right panel symmetry, in concrete on the plate, oblique wooden form in base angle and base angle are installed to the gallows timber bar, form the template of bottom crack pouring concrete, when being bent into 90 °, adopt harsh concrete, be the concrete of slump less than 30mm, build the first base angle crack pouring concrete band and the second base angle crack pouring concrete band, continue the symmetry bending, make concrete left side plate, plate and concrete right panel constitute the triangle barrel shape in the concrete, use is welded to connect short muscle, the flap top rebars is welded into integral body, inserts triangle top corner part longitudinal reinforcement, form the upper reinforcement skeleton, place bar dowel and hang spring at the flap top corner part, to hang the smooth location of mould plank with hang spring and place, adopt harsh concrete, build drift angle crack pouring concrete band; Simultaneously base angle crack pouring concrete band is adjusted repairing, fully behind the moist curing, when treating that crack pouring concrete reaches design strength, promptly form triangular concrete thin-wall folded plate pile.
The present invention uses the ripe construction technology of concrete flap in the construction work, the new stake type of invention triangular concrete thin-wall folded plate pile.This type construction cost is low, has the advantage of plane institution movement and space member two aspects, as flat board, can at the construction field (site) flat board be bent into the triangle pile tube before the pile sinking in making, stacking and transportation, can be used for pile foundation and deep foundation ditch retaining support.The similar prestressed centrifugally concrete tubular pile of this type engineering property, its bearing capacity height, anti-ly beat, from heavy and light, material saving, the required pile driver energy of pile sinking is little, it is little to produce soil compaction effect in the pile driving process, construction quality guarantees that more easily a side frictional resistance and end resistance are higher.
Triangular concrete thin-wall folded plate pile has the advantage of plane institution movement and space member two aspects.On smooth place, adopt and to open flat crouching and make three block concrete flat boards, treat that it reaches certain intensity after, the lifting flat board is converted into the triangle tubulose, placing plate seam concrete can form flap pile tube of the present invention.
Triangular concrete flap pile tube as flat board, can be bent into flat board the triangle pile tube before the pile sinking at the construction field (site) in making, stacking and transportation.The similar prestressed centrifugally concrete tubular pile of this type engineering property, its bearing capacity height, anti-ly beat, from heavy and light, material saving, the required pile driver energy of pile sinking is little, it is little to produce soil compaction effect in the pile driving process, construction quality guarantees that more easily a side frictional resistance and end resistance are higher.
Soil compaction effect when reducing pile sinking and improve pile sinking and pass through people's ability, triangle thin-wall folded plate pile tube stake end should be made opened type.In the time of bigger interstitial hydraulic pressure can being produced in some stratum pile driving process, can open a little apertures in the folded plate pile side, to make things convenient for pile sinking.When the long weak point of stake is big with the stake opening, stake end black-out effect may be good inadequately, problem hereto, can adopt in the grouting of stake bottom boring pressure and also can improve end resistance simultaneously, after treating slurry consolidation, can form end cap at the stake end, thereby inaccessible effect in raising stake end or employing and rotary churning pile or deep-mixed pile are used in combination, and form compound pile.
Triangular concrete thin-wall folded plate pile can adopt the laminated production of tiling usually, and construction technology process is: the cleaning terrace, and---setting-out,---the limit mould is installed---reinforcing bar configuration---concreting---maintenance---second layer flap to the shop separation layer ...---the demoulding and transporting and hoisting---triangle folded plate pile assembly unit---cementation of fissures is built---piling construction.In the prefabricated at the scene folded plate pile operation, must be noted that and promptly grab thin each link that concrete key point for process is as follows:
(1) place bed die
Bed die should be tried one's best and be utilized on-the-spot smooth concrete floor, also available original soil rammed, placing sand, shop one deck brick, on smear a cm thick cement mixing mortar.Place table top planeness must be strict with, and the height error is not more than one millimeter, so that the control sheet metal thickness.Layout convenient as far as possible lifting assembly unit in place reduces links such as transportation, stacking.
(2) lamination separation layer
The quality of separation layer is one of key that reduces thin-wall folded plate pile lifting loss, the separation layer ingredients can add the soap waste liquid with French chalk makes, and the brushing interleaving agent should guarantee uniformity, should carry out with big brush or spread pen, anti-leak-stopping brush also can overlay layer of plastic film as separation layer again.Spill French chalk between the flaggy and add plastic sheeting and do separation layer, phenomenon generally can not stick together in the lifting.
(3) template, reinforcement fabrication
The edges of boards template should adopt the special steel form of making band comb shape tooth, can repeatedly reuse.
Main reinforcement answers strictness to be positioned on the plate kernel of section line, requires the mortar pad thickness accurate, and suspension ring reinforcing bar and steel mesh reinforcement colligation are firm.
(4) concreting
Flap is a kind of thin wall construction, during concreting, pays special attention to the control of thickness of protection tier.Strict control water/binder ratio reduces water/binder ratio and can improve concrete label, and can improve concrete intensity in mid-term, and can reduce concrete contraction and creep favourable to the quality of raising thin wall construction.Suggestion steel concrete folded plate pile adopts C20, C25 to make, and water/binder ratio should strictly be controlled between 0.36～0.42.
Flap member is thin, the plate face is big, rebar spacing is little, and material loading successively during cast adopts flat board to shake repeatedly and smashes, until do not have voids and pits bright and clean closely knit till.After smashing, shake, advises that finish in the concrete initial set process in roll extrusion and smear 3 times with the plasterer's trowel pressure, it is smooth bright and clean finally to reach the plate face with cylinder roll extrusion 2～3 times in order further to improve concrete density.In order to improve the bonding of plate face crack pouring concrete, when smearing pressure the 3rd time, should be wide 10 centimetres with coarse wood float plucking at the edge of plate longitudinal direction.
(5) curing concrete
In order to make the concrete of newly building that good curing condition be arranged, promote that intensity constantly increases, so concrete maintenance is very important.Because the plate area is big, water evaporates is fast, has carelessness can cause whole plate to parch slightly, makes concrete produce shrinkage crack, concrete is under the wet condition just can makes the intensity normal growth.Usually, after the concreting of first floor flap was finished, fully maintenance three treated that intensity reaches 50% when above, can carry out second layer production round the clock.
To promptly need use repeatedly, on a small quantity the moistening plate face of watering can after the press polish about 2 hours.Press temperature condition, timely topped straw bag water seasoning.The operation in summer should be noted preventing to be exposed to the sun.Should have freeze proof measure winter, should note preventing strong wind especially, in time takes measures.
(6) demoulding and transporting and hoisting
When reaching 70～80% design strengths, concrete strength could allow the demoulding.If the flaggy adhesion phenomenon takes place, should adopt special tool to handle.General mobile crane or the special-purpose straddle truck of adopting of flap lifting, flap lifting transportation are that flat three flat boards that crouch become edge-on process when producing, and are again folding for the first time in the work progress, should construct in strict accordance with lifting lifting rules.
(7) triangle folded plate pile assembly unit
The assembly unit of triangle thin-wall folded plate pile should adopt special-purpose auxiliary triangle steelframe and interim cushion block accurately to locate, and the folded plate pile assembly unit is a ring main in the flap work progress, must take seriously.Flap stitch up and down require straight, stitch wide evenly, forbid seam " going into " word to occur and stitch.When nonconforming, in place the opening of should slinging slightly again, not handy crowbar is corrected, in order to avoid local pressure is excessive, the damage thin-wall folded plate.The triangle flap is in place, proofread and correct after, should in time weld the reinforcing bar at seam place, make its formation triangle integral body.
(8) cementation of fissures is built
The cementation of fissures is to make prefabricated flap form the integrally-built finishing operation in space, should give to give one's full attention to.When three blocks of flat plates for sleeping in are bent into flute profile, can water down the seam concrete,, seam concrete baffle plate facility is set down, in case stitch the concrete spillage down in the flap outside; When treating that flap is bent into triangle, on stitch transverse reinforcement and should make crotch or adopt short muscle to be welded to connect, the seam concrete is gone up in perfusion then.
Top cement film and dirt are removed with wire brush in flap cementation of fissures position, and water cleans up, brush straight cement mortar together, limit swabbing mud limit concrete placing then, crack pouring concrete and flap concrete will shake the puddling reality with the harsh concrete of label.Every seam should disposable finishing, and after following seam is finished two ends sealed temporarily, carries out water storing conservation, and last seam can cover the also frequent water seasoning of straw bag, and plate stitches curing time and generally is no less than five days.
(9) piling construction
Triangle thin-wall folded plate pile stake end can be made into opened type or adds the sharp formula of stake, and pile sinking can adopt hammer piling or silent piling pile sinking mode.When the length of stake is big, the soil compaction effect when reducing pile sinking and improve pile sinking and pass through people's ability, triangle thin-wall folded plate pile tube stake end should be made opened type.When the long short and stake opening of stake was big, a stake end black-out effect may be good inadequately, can adopt in the grouting of stake bottom boring pressure, treat slurry consolidation after, can form end cap at the stake end, thereby improve the inaccessible effect in stake end, also can improve end resistance simultaneously.If employing and rotary churning pile or deep-mixed pile are used in combination, form compound pile, can further improve the work stress performance of stake of the present invention.
Beneficial effect: triangular concrete thin-wall folded plate pile of the present invention is applied to can replace Prefabricated Reinforced Concrete Square Pile, bored pile, prestressed centrifugally concrete tubular pile and steel pipe pile or the like in pile foundation and the deep foundation ditch retaining support.The triangle folded plate pile has the advantage of plane institution movement and space member two aspects, and the folded plate pile easy construction, cost is low, in light weight, bending resistance is strong, rigidity of section is big, belongs to the space thin-wall member, and lifting is convenient.Triangle thin-wall folded plate pile structural stability is better, can preset making at the construction field (site), has saved freight, and pile quality more easily guarantees.The triangle folded plate pile is the hollow thin-wall pile tube, compares with solid pile, can reduce concrete and amount of reinforcement effectively, and material usage only is 30%～50% of a solid pile, thereby stake weight of the present invention is lighter, and low price.Triangular concrete thin-wall folded plate pile is specially adapted to the Soft Ground of coastal cities building, bridge and port works, can be used for the soft soil roadbed reinforcing of speedway, the ground stabilization in container stacking place, the shore protection slope protection works of port and pier, the pattern foundation pit supporting structure of soft foundation building, the ground that roadbed bankets behind the large bridge abutment is handled, the large pool reinforced soft soil ground of rivers limit intake etc.During produce in factory, suggestion adopts prestressing force pre-tensioning system manufacture craft to produce in batches, and the configuration of presstressed reinforcing steel in the pile body can further improve the anti-horizontal loading ability of pile body.Triangle thin-wall folded plate pile and rotary churning pile or deep-mixed pile are used in combination, and form compound pile, can further improve the work stress performance of stake of the present invention.
Description of drawings
Fig. 1 is a triangular concrete thin-wall folded plate pile sectional drawing of the present invention;
Fig. 2 is a flap arrangement of reinforcement sectional drawing;
Fig. 3 is that base angle crack pouring concrete band is built the process schematic diagram;
Fig. 4 is interim installing and locating support schematic diagram;
Fig. 5 is a base angle crack pouring concrete band schematic diagram;
Fig. 6 is a drift angle crack pouring concrete band schematic diagram.
Have among the figure: concrete left side plate 1; Plate 2 in the concrete; Concrete right panel 3; Steel mesh reinforcement 4; The first base angle crack pouring concrete band 5; The second base angle crack pouring concrete band 6; Drift angle crack pouring concrete band 7; The oblique wooden form 8 in base angle; The base angle is to gallows timber bar 9; Be welded to connect short muscle 10; Drift angle hangs mould plank 11; Bar dowel and hang spring 12; Concrete is installed cushion block 13; Plastics wedge locating block 14; The interim shaped steel locating support 15 of installing.
The specific embodiment
Embodiment 1
A kind of triangular concrete thin-wall folded plate pile, comprise: steel mesh reinforcement 4, the joining end to end and form the triangle barrel shape of steel mesh reinforcement 4, on three faces of triangle tube, be respectively equipped with concrete left side plate 1, plate 2 and concrete right panel 3 in the concrete, place, two base angles at the triangle tube is provided with the first base angle crack pouring concrete band 5 and the second base angle crack pouring concrete band 6 respectively, and the reinforcing bar of two bottom corner portions of steel mesh reinforcement 4 is respectively the first base angle crack pouring concrete band 5 and the second base angle crack pouring concrete band 6 coats, be provided with drift angle crack pouring concrete band 7 at the drift angle place of triangle tube, and the reinforcing bar of the top corner portion of steel mesh reinforcement 4 is coated by drift angle crack pouring concrete band 7.
Triangular concrete thin-wall folded plate pile of the present invention, comprise plate 2 in concrete left side plate 1, the concrete, concrete right panel 3, steel mesh reinforcement 4, the first base angle crack pouring concrete band 5, the second base angle crack pouring concrete band 6, drift angle crack pouring concrete band 7, the oblique wooden form 8 in base angle, base angle to gallows timber bar 9, be welded to connect short muscle 10, drift angle and hang mould plank 11, bar dowel and hang spring 12, concrete and cushion block 13, plastics wedge locating block 14 are installed, shaped steel locating support 15 are installed temporarily.
Setting-out is measured at first smooth good place, and the brushing interleaving agent is provided with the topping cushion block, assembling reinforcement net 4.Installation side is built simultaneously and is opened plate 2, concrete right panel 3 in the flat concrete left side plate 1 that crouches, the concrete to template, forms the concrete flat slab (Fig. 2) that three blocks of reinforcing bars link to each other.After the concrete shake is smash, in order further to improve concrete density, use cylinder roll extrusion 2～3 times, finish in the concrete initial set process in roll extrusion and smear 3 times with the plasterer's trowel pressure, it is smooth bright and clean finally to reach the plate face.In order to improve the concrete bonding in plate face cementation of fissures place, edges of boards should be provided with the triangle teeth groove, spacing 400～600mm, and tooth depth 8～12mm, after smearing pressure the 3rd time, should be wide 10 centimetres with coarse wood float plucking at the edge of plate longitudinal direction.Because the plate area is big, water evaporates is fast, has carelessness can cause whole plate to parch slightly, will make concrete produce shrinkage crack, and concrete should be in maintenance under the wet condition.Wait for when concrete reaches 70～80% design strengths, could allow the demoulding, can carry out the flat board bending.
Under lifting appliance cooperates, with concrete left side plate 1 and the 3 symmetry bendings of concrete right panel, press Fig. 3, in concrete, on the plate 2, oblique wooden form 8 in base angle and base angle are installed to gallows timber bar 9, form the template of bottom crack pouring concrete.The base angle can adopt lumps of wood material material to make to gallows timber bar 9, and spacing is generally 1.5m～2.5m.Adopt lifting appliance, on-the-spot bending left and right sides steel concrete plate.When being bent into 90 °, the employing harsh concrete is built the first base angle crack pouring concrete band 5 and the second base angle crack pouring concrete band 6, continues the symmetry bending, makes plate 2 and concrete right panel 3 formation triangle barrel shape in concrete left side plate 1, the concrete.
Press Fig. 4, place concrete in the folded plate pile bottom cushion block 13 and plastics wedge locating block 14 are installed, so that accurately locate the flap bottom position, the cushion block spacing is generally 1.5m～2m.At the flap two ends, place the interim shaped steel locating support 15 of installing, guarantee that flap is bent into equilateral triangle.It is straight that flap seam requires, stitch wide evenly, forbid seam appearance " going into " word to stitch.Use is welded to connect short muscle 10, and the flap top rebars is welded into integral body, inserts triangle top corner part longitudinal reinforcement, forms the upper reinforcement skeleton.
Press Fig. 6, place bar dowel and hang spring 12 at the flap top corner part, the bar dowel spacing is generally 1.5m～2m, will hang mould plank 11 smooth location with hang spring and place.Adopt harsh concrete, build folded plate pile drift angle crack pouring concrete band 7; Simultaneously the first base angle crack pouring concrete band 5, the second base angle crack pouring concrete band 6 are adjusted repairing.After following seam is finished two ends are sealed temporarily, carried out water storing conservation, last seam can cover straw bag and frequent water seasoning.Fully behind the moist curing, when treating that crack pouring concrete reaches design strength, promptly form triangular concrete thin-wall folded plate pile (Fig. 1).Triangle thin-wall folded plate pile stake end can be made into opened type or adds the sharp formula of stake, and pile sinking can adopt hammer piling or silent piling pile sinking mode.
Claims (1)
1. the preparation method of a triangular concrete thin-wall folded plate pile, it is characterized in that: at first smooth good place, measure setting-out, the brushing interleaving agent, the topping cushion block is set, assembling reinforcement net (4), the installation template, build simultaneously and open the flat concrete left side plate (1) that crouches, plate in the concrete (2), concrete right panel (3), form the concrete flat slab that three steel mesh reinforcements (4) link to each other, with concrete left side plate (1) and the bending of concrete right panel (3) symmetry, on the plate in concrete (2), oblique wooden form in base angle (8) and base angle are installed to gallows timber bar (9), form the template of bottom crack pouring concrete, when being bent into 90 °, adopt harsh concrete, build the first base angle crack pouring concrete band (5) and the second base angle crack pouring concrete band (6), continue the symmetry bending, make concrete left side plate (1), plate in the concrete (2) and concrete right panel (3) constitute the triangle barrel shape, use is welded to connect short muscle (10), the flap top rebars is welded into integral body, insert triangle top corner part longitudinal reinforcement, form the upper reinforcement skeleton, place bar dowel and hang spring (12) at the flap top corner part, to hang the smooth location of mould plank (11) with hang spring and place, adopt harsh concrete, build drift angle crack pouring concrete band (7); Simultaneously the first base angle crack pouring concrete band (5), the second base angle crack pouring concrete band (6) are adjusted repairing, fully behind the moist curing, when treating that crack pouring concrete reaches design strength, promptly form triangular concrete thin-wall folded plate pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100313217A CN101550690B (en) | 2009-05-08 | 2009-05-08 | Triangular concrete thin-wall folded plate pile and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100313217A CN101550690B (en) | 2009-05-08 | 2009-05-08 | Triangular concrete thin-wall folded plate pile and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101550690A CN101550690A (en) | 2009-10-07 |
| CN101550690B true CN101550690B (en) | 2010-09-01 |
Family
ID=41155161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100313217A Expired - Fee Related CN101550690B (en) | 2009-05-08 | 2009-05-08 | Triangular concrete thin-wall folded plate pile and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101550690B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352461A (en) * | 2013-06-28 | 2013-10-16 | 天津宝丰混凝土桩杆有限公司 | Novel slope protection and soil retaining special-shaped row pile |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113742829B (en) * | 2021-09-03 | 2023-06-20 | 中国铁路设计集团有限公司 | Method for reading and processing arbitrary section of bridge structure and calculating section characteristics |
-
2009
- 2009-05-08 CN CN2009100313217A patent/CN101550690B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352461A (en) * | 2013-06-28 | 2013-10-16 | 天津宝丰混凝土桩杆有限公司 | Novel slope protection and soil retaining special-shaped row pile |
| CN103352461B (en) * | 2013-06-28 | 2016-03-09 | 天津宝丰混凝土桩杆有限公司 | A kind of bank protection, keep off native special-shaped campshed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101550690A (en) | 2009-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108951425A (en) | Cast-in-situ prestressed concrete continuous box girder primary concreting molding construction method | |
| CN102444142B (en) | Pile group column replacement expanded basement and construction method of same | |
| CN102392549B (en) | Construction working method for seamless prestressed-concrete self-waterproof clean water reservoir | |
| CN103615053B (en) | Monolithic reinforced concrete structure post empiricism engineering method | |
| CN101787701B (en) | Construction method for supporting pine pile in elevator shaft foundation pit | |
| CN202787055U (en) | Pier fixed connection structure of steel structure overhead bridge | |
| CN106437034A (en) | Steel tube and semi-prefabricated semi-cast-in-place construction waste recycled concrete combined column and preparation method thereof | |
| CN110863498A (en) | Deep foundation pit combined supporting construction method next to subway station | |
| CN109162289B (en) | Prefabricated bearing pier structure and construction method thereof | |
| CN107338804A (en) | A kind of hollow independent composite pile foundation of super-large diameter and its method of construction | |
| CN108457243A (en) | A kind of construction method of assembly concrete wave wall | |
| CN109487641A (en) | A kind of high-speed railway monoblock type cable slot structure and surface layer of subgrade bed construction method | |
| CN108277777A (en) | Wave wall substep pouring construction process | |
| CN101550690B (en) | Triangular concrete thin-wall folded plate pile and preparation method thereof | |
| CN201411684Y (en) | Triangular concrete thin-walled folded sheet pile | |
| CN103306439A (en) | Pouring technology for implanting high anti-leakage and anti-crack protective layer into roof structure layer | |
| CN107326924A (en) | Outer wall of underground structure HCMW engineering methods overlap wall and its construction method | |
| CN208023601U (en) | A kind of prefabricated pile foundation support table side form of mutual buckle type | |
| CN206529881U (en) | The constructing device of cushion cap and ground girder construction | |
| CN109881699A (en) | The concrete moulding bed fabrication and installation method of the general raft foundation of assembled tongue and groove Miller type | |
| CN209412856U (en) | A kind of assembled integral basement structure meeting stability against floating requirement | |
| CN207347861U (en) | Prefabricated reinforced concrete roadbed | |
| CN207121898U (en) | Super-large diameter bores and buries steel pipe hollow foundation pile | |
| CN116378004B (en) | Construction method of integral steel-concrete pedestal of soft soil foundation bridge deck slab | |
| CN210887292U (en) | Prefabricated assembled retaining wall |
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 | ||
| ASS | Succession or assignment of patent right |
Owner name: SOWTHEAST UNIV. Effective date: 20131015 Owner name: NANTONG ZHONGRUN CONCRETE COMPANY LTD. Free format text: FORMER OWNER: SOWTHEAST UNIV. Effective date: 20131015 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210096 NANJING, JIANGSU PROVINCE TO: 226600 NANTONG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131015 Address after: 226600 No. 88 Garden Avenue, hi tech Industrial Development Zone, Nantong, Jiangsu, Haian Patentee after: NANTONG ZHONGRUN CONCRETE CO., LTD. Patentee after: Southeast University Address before: 210096 Jiangsu city Nanjing Province four pailou No. 2 Patentee before: Southeast University |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20190508 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |