CN104141301B - Inverse construction method and the structure of making steel pipe column are installed revolving to dig in stake holes - Google Patents

Inverse construction method and the structure of making steel pipe column are installed revolving to dig in stake holes Download PDF

Info

Publication number
CN104141301B
CN104141301B CN201410111687.6A CN201410111687A CN104141301B CN 104141301 B CN104141301 B CN 104141301B CN 201410111687 A CN201410111687 A CN 201410111687A CN 104141301 B CN104141301 B CN 104141301B
Authority
CN
China
Prior art keywords
pipe column
steel pipe
steel
stake holes
provided
Prior art date
Application number
CN201410111687.6A
Other languages
Chinese (zh)
Other versions
CN104141301A (en
Inventor
张明
苏伟
潘凯军
欧阳林
叶磊
Original Assignee
中国建筑第四工程局有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中国建筑第四工程局有限公司 filed Critical 中国建筑第四工程局有限公司
Priority to CN201410111687.6A priority Critical patent/CN104141301B/en
Publication of CN104141301A publication Critical patent/CN104141301A/en
Application granted granted Critical
Publication of CN104141301B publication Critical patent/CN104141301B/en

Links

Abstract

<b> the invention discloses and a kind ofly installs inverse construction method and the structure of making steel pipe column revolving to dig in stake holes, the present invention constructs according to the following steps: 1. excavate stake holes, 2. reinforced concrete pile cap is installed, 3. lift pile foundation steel bar cage, 4. lift steel pipe column, 5. concrete casting platform is installed, 6. clear up stake holes, 7. adjust steel pipe column absolute altitude, center and verticality, 8. complete building of pile foundation and steel pipe column interior concrete.The inventive method is simple and practical, can save the construction period, reduces construction costs, solves pile foundation and steel pipe column and separately to construct the problem causing the duration longer.The Accelerating The Construction duration while that the present invention being when ensureing workmanship.There is good Social benefit and economic benefit.The present invention had both met high efficiency construction requirement, had saved construction cost, had reduced construction costs, effectively solved in basement adverse construction method again and revolved the problem of digging with steel pipe column sequential production, have practicality and generalization widely.</b>

Description

Inverse construction method and the structure of making steel pipe column are installed revolving to dig in stake holes

Technical field

the present invention relates to a kind of revolving construction method and the structure of digging in stake holes and installing against making steel pipe column, belonging to civil engineering technical field.

Background technology

along with the development of Building Trade in China, all kinds of type of construction continues to bring out, super large ultra-deep engineering gets more and more, in conventional project reverse construction, revolve dig stake and inverse be that point secondary is constructed as steel pipe column, carrying out reserving steel pipe locator when revolving and dig pile driving construction, and then carry out the construction of steel pipe column, the conventional project reverse construction time is longer, waste is comparatively large, can not meet the requirement of energy-saving and emission-reduction.

Summary of the invention

the object of the invention is to, providing a kind of revolving construction method and the structure of digging in stake holes and installing against making steel pipe column, to shorten the construction period, saving construction costs, thus overcoming the deficiencies in the prior art.

technical scheme of the present invention:

install the inverse construction method making steel pipe column revolving to dig in stake holes, the method is constructed according to the following steps:

step one, employing are revolved excavation formula and are excavated stake holes on ground by designing requirement, and stake holes aperture place adopts steel pile casting to reinforce in case aperture caves in;

step 2, the reinforced concrete pile cap made in advance is fixed on the aperture of stake holes with one group of guide pile, and steel pile casting is welded with the steel mesh reinforcement in reinforced concrete pile cap;

step 3, pile foundation steel bar cage to be hung at the bottom of stake holes hole by crane gear and locate;

step 4, by crane gear, steel pipe column is vertically hung in stake holes, be seated on pile foundation steel bar cage;

step 5, on the reinforced concrete pile cap in stake holes aperture, concrete casting platform and tremie are installed;

step 6, employing crossover-circulating type method cleaning stake holes;

step 7, at the top mouth of pipe of steel pipe column, interim coupling beam is installed, and by the axial location of the support jack adjustment steel pipe column that is positioned at reinforced concrete pile cap both sides; By being arranged on center and the verticality of one group of side direction jack adjustment steel pipe column on concrete casting platform;

step 8, to be completed building of pile foundation and steel pipe column interior concrete by tremie.

in aforementioned construction method, described steel pipe column is made by designing requirement by professional factory, and the equal open-ended in steel pipe column two ends, the cylindrical of steel pipe column two ends and centre is carved with X-axis line and Y-axis line with laser; X-axis line and Y-axis line are all alignd, to guarantee that the centre deviation of steel pipe column and stake holes is not more than 5mm with stake holes center by the one group of side direction jack adjustment steel pipe column be arranged on concrete casting platform.

in aforementioned construction method, according to the number of plies of basement, the cylindrical of described steel pipe column is provided with one group of steel corbel, and at the bottom of the steel corbel distance steel pipe column of bottommost, mouth distance is not less than 2.5 meters, and be seated on pile foundation steel bar cage, the end mouth of steel pipe column inserts pile foundation steel bar cage; The steel corbel of top is welded with vertical vent stem, vertical vent stem is provided with surveys hole of hanging down, and the steel corbel below top steel corbel is welded with vertical target bar, and vertical target bar is carved with cross location target with laser; Use laser plummet apparatus to be projected to location target by the vertical hole of survey and carry out squareness measurement adjustment, to guarantee that steel pipe column verticality in the height of each meter is not more than 35mm.

in aforementioned construction method, after the centre deviation of described steel pipe column and stake holes and verticality are adjusted, by total powerstation check errorless after, by one group of fixed bar by integrally welded for the steel pile casting in steel pipe column and stake holes aperture, during to guarantee concreting, steel pipe column produces displacement; Before concreting, the axial absolute altitude of steel pipe column should higher than design elevation 10mm to guarantee the sedimentation counteracting amount of steel pipe column in concreting process.

in aforementioned construction method, described reinforced concrete pile cap makes reusable by professional factory by designing requirement, and reinforced concrete pile cap is the three-back-shaped reinforced concrete precast member that thickness is not less than 400mm; Reinforced concrete pile cap central authorities are provided with working hole, and the edge along reinforced concrete pile cap is embedded with one group of fixture and hoisting ring; Fixture comprises fixed head, and fixed head is welded with one group of bolt, fixed head central authorities are provided with rectangular opening, and the reinforced concrete pile cap bottom fixed head is provided with anchor hole; Reinforced concrete pile cap is fixed on the ground by the guide pile running through anchor hole.

in aforementioned construction method, described concrete casting platform be to be welded by the different shaped steel of designing requirement model by professional factory and operating platform, reusable; The plan view shape of concrete casting platform is three-back-shaped, and centre is provided with gathering hole; Concrete casting platform is double-layer structure, and side is provided with cat ladder, and every layer is all covered with steel plate; Upper strata is provided with one group for supporting the otic placode of interim coupling beam, and regulated the absolute altitude of steel pipe column by interim coupling beam, surrounding is provided with fence; Lower floor is provided with one group of side direction jack, is connected bottom side direction jack with the column of concrete casting platform, by center and the verticality of side direction jack adjustment steel pipe column; Column bottom is provided with and is connected leg with reinforced concrete pile cap.

in aforementioned construction method, adopt C60 concrete placings in described steel pipe column, bottom pile foundation, 250-400mm thickness adopts C60 concrete to build, and pile foundation remainder adopts C30 or C40 concrete placings; When building, tremie is extended bottom pile foundation and build; When concrete plane rises to mouth at the bottom of steel pipe column, then inserted in steel pipe column by another root tremie, continuous placing when two tremies adopt the concrete of two kinds of varying strengths to confuse, builds absolute altitude until reach.

what form according to said method of the present invention a kind ofly installs the inverse structure making steel pipe column and is revolving to dig in stake holes: this structure comprises stake holes and steel pipe column; Stake holes aperture is provided with steel pile casting; Be provided with pile foundation steel bar cage in stake holes, pile foundation steel bar cage is provided with support ring flat-plate; Be provided with one group of steel corbel outside steel pipe column, the steel corbel of bottommost is seated on the support ring flat-plate of pile foundation steel bar cage; Below the end mouth of steel pipe column is positioned at and supports ring flat-plate, distance is not less than 2.5 meters, and the top mouth of steel pipe column stretches out from stake holes aperture; Ground, stake holes aperture is provided with reinforced concrete pile cap, and reinforced concrete pile cap is fixed on ground, stake holes aperture through one group of guide pile; Reinforced concrete pile cap is provided with concrete casting platform, concrete casting platform is double-decker, upper strata is provided with one group of otic placode, otic placode is connected with in the middle part of interim coupling beam, interim coupling beam one end and the lead being temporarily connected to steel pipe column top mouth, the interim coupling beam other end is connected with support jack, is provided with bearing bottom support jack; The lower floor of concrete casting platform is provided with one group of side direction jack.

in aforementioned structure, in one group of steel corbel outside described steel pipe column top steel corbel on be welded with vertical vent stem, vertical vent stem is provided with surveys hole of hanging down, and the steel corbel below top steel corbel is welded with vertical target bar, and vertical target bar is carved with cross location target with laser; Steel corbel comprises upper ring plate and lower ring plate, is provided with one group along the uniform stiffener of surrounding between upper lower ring plate.

in aforementioned structure, the cylindrical of described steel pipe column two ends and centre is provided with X-axis line and Y-axis line.

owing to have employed technique scheme, compared with prior art, the present invention is mainly applicable to the ultra-deep contrary working method engineering of basement more than three layers in the present invention, and the present invention can install at original ground and fix inverse revolving and dig steel pipe column in stake, versatility is comparatively strong, has good promotion advantage.Its method simple practical, can save the construction period, reduces construction costs, solves pile foundation and steel pipe column and separately to construct the problem causing the duration longer.The Accelerating The Construction duration while that the present invention being when ensureing workmanship.There is good Social benefit and economic benefit.The present invention had both met high efficiency construction requirement, had saved construction cost, had reduced construction costs, effectively solved in basement adverse construction method again and revolved the problem of digging with steel pipe column sequential production, have practicality and generalization widely.

Accompanying drawing explanation

fig. 1 is structural representation of the present invention;

fig. 2 is the structural representation of steel pipe column;

fig. 3 is the structural representation of reinforced concrete pile cap;

fig. 4 is concrete casting platform.

being labeled as in figure: 1-stake holes, 2-steel pipe column, 3-pile foundation steel bar cage, 4-locates target, 5-steel pile casting, 6-fixed bar, 7-guide pile, 8-reinforced concrete pile cap, 9-bearing, 10-support jack, the interim coupling beam of 11-, 12-surveys hole of hanging down, 13-side direction jack, 14-concrete casting platform, 15-lead, 16-steel corbel, 17-supports ring flat-plate, 18-tremie, 19-X axis, 20-Y axis, 21-lower ring plate, 22-upper ring plate, 23-stiffener, 24-vertical vent stem, 27-vertical target bar, 28-working hole, 29-fixture, 30-hoisting ring, 31-fixed head, 32-rectangular opening, 33-bolt, 34-fence, 35-cat ladder, 36-gathering hole, 37-steel plate, 38-otic placode, 39-leg, 40-column.

Detailed description of the invention

below in conjunction with drawings and Examples, the present invention is described in further detail, but not as any limitation of the invention.

Embodiment

of the present inventionly a kind ofly the inverse construction method making steel pipe column is installed revolving to dig in stake holes, when specifically implementing, as shown in Figure 1, constructs according to the following steps:

step one, elder generation determine position, stake holes 1 hole according to requirement of engineering on ground, and then centered by position, hole, bury steel pile casting 5 underground, steel pile casting internal diameter is greater than stake holes aperture, should stretch into more than clay layer 0.5m bottom steel pile casting.Length should meet and enters clay layer at the bottom of steel pile casting and be no less than 0.5m.Above steel pile casting, set up rotary drilling rig, bit central and the stake position errors of centration of rotary drilling rig are not more than 10mm, and bit diameter is 2.2 meters.After stake holes 1 has been bored, remove rotary drilling rig.

step 2, the reinforced concrete pile cap 8 that professional factory is made in advance by designing requirement is transported to job site, with one group of guide pile 7, reinforced concrete pile cap is fixed on the aperture of stake holes.Built steel mesh reinforcement in reinforced concrete pile cap, and had part reinforcing bar to expose reinforced concrete pile cap, the reinforcing bar exposed welds with steel pile casting; Described reinforced concrete pile cap is the three-back-shaped reinforced concrete precast member that thickness is not less than 400mm; Reinforced concrete pile cap central authorities are provided with working hole, and the edge along reinforced concrete pile cap is embedded with one group of fixture and hoisting ring; Fixture comprises fixed head, and fixed head is welded with one group of bolt, fixed head central authorities are provided with rectangular opening, and the reinforced concrete pile cap bottom fixed head is provided with anchor hole; Reinforced concrete pile cap is fixed on the ground by the guide pile running through anchor hole.Reinforced concrete pile cap can repeat turnover and use.

step 3, with crane or tower crane the pile foundation steel bar cage 3 woven in advance to be hung at the bottom of stake holes hole and locate; Stake holes is provided with cushion block at the bottom of hole, and pile foundation steel bar cage is seated on the cushion block at the bottom of stake holes hole, makes to leave 250mm at the bottom of stake holes hole bottom pile foundation steel bar cage, is placed in stake holes central authorities between two parties.The position that pile foundation steel bar cage is positioned at basement ground floor absolute altitude is welded with the support ring flat-plate 17 for supporting steel tubing string,

step 4, the steel pipe column 2 shipped from factory is placed in stake holes side, when putting, steel pipe column bottom alignment stake holes, during lifting, crane or tower crane hook directly the to tilt mode of lifting of employing ground, steel pipe column top and are sling by steel pipe column, slowly put into stake holes.For preventing by sludge pollution bottom steel pipe column, steel pipe column is placed on sleeper, and steel pipe column is timely after lifting by crane to be cleaned out the mud bottom steel pipe column.The steel corbel of the bottommost after steel pipe column vertically hangs in stake holes on steel pipe column is seated on the support ring flat-plate 17 of pile foundation steel bar cage; On steel pipe column, the steel corbel of bottommost is not less than 2.5 meters apart from mouth distance at the bottom of steel pipe column, and after on the support ring flat-plate 17 that on steel pipe column, the steel corbel of bottommost is seated in pile foundation steel bar cage, mouth at the bottom of steel pipe column inserts pile foundation steel bar cage at least 2.5 meters.On steel pipe column except the steel corbel of bottommost, it is also provided with several steel corbel, its quantity is determined according to the number of plies of basement.In one group of steel corbel 16 outside steel pipe column top steel corbel on be welded with vertical vent stem 24, vertical vent stem be provided with survey hang down hole 12, the steel corbel below top steel corbel is welded with vertical target bar 27, on vertical target bar with laser be carved with cross location target 4; Steel corbel comprises upper ring plate 22 and lower ring plate 21, is provided with one group along the uniform stiffener 23 of surrounding between upper lower ring plate.For convenience of the construction of on-the-spot steel pipe column, steel pipe column two ends are provided with X-axis line 19 and Y-axis line 20 when factory process on the cylindrical of steel pipe column two ends and centre.During steel pipe column lifting, slowly transfer to predetermined absolute altitude, regulate steel pipe column axis centering by the X-axis line 19 on steel pipe column and Y-axis line 20 axis.

after step 5, steel pipe column erect, the concrete casting platform 14 professional factory made in advance by designing requirement, on the reinforced concrete pile cap in stake holes aperture the bolt being seated in reinforced concrete pile cap fixture 29 is fixed with nut with crane lifting.Concrete casting platform is double-decker, upper strata is provided with one group of otic placode 38, and otic placode is connected with in the middle part of interim coupling beam 11, interim coupling beam one end and the lead 15 being temporarily connected to steel pipe column top mouth, the interim coupling beam other end is connected with support jack 10, is provided with bearing 9 bottom support jack 10; The lower floor of concrete casting platform is provided with one group of side direction jack 13.Then tremie 18 is arranged on concrete casting platform.

step 6, employing crossover-circulating type method cleaning stake holes;

step 7, top mouth of pipe fixed guide post 15 at steel pipe column, lead and interim coupling beam 11, adjust the axial location of steel pipe column by the support jack 10 being positioned at reinforced concrete pile cap both sides; Center and the verticality of steel pipe column is adjusted by the one group of side direction jack 13 be arranged on concrete casting platform.After steel column lifting, utilize transit to measure, carry out axis location and adjustment to steel column according to X, Y-axis line, regulated the center of steel column by the jack on lower bracket platform, centre deviation controls in 5mm.

step 8, to be completed building of pile foundation and steel pipe column interior concrete by tremie.Adopt C60 concrete placings in steel pipe column, bottom pile foundation, 250-400mm thickness adopts C60 concrete to build, and pile foundation remainder adopts C30 or C40 concrete placings; When building, tremie is extended bottom pile foundation and build; When concrete plane rises to mouth at the bottom of steel pipe column, then inserted in steel pipe column by another root tremie, continuous placing when two tremies adopt the concrete of two kinds of varying strengths to confuse, builds absolute altitude until reach.

as shown in Figure 2, steel pipe column is made by designing requirement by professional factory, and the equal open-ended in steel pipe column two ends, the cylindrical of steel pipe column two ends and centre is carved with X-axis line 19 and Y-axis line 20 with laser; X-axis line and Y-axis line are all alignd, to guarantee that the centre deviation of steel pipe column and stake holes is not more than 5mm with stake holes center by the one group of side direction jack adjustment steel pipe column be arranged on concrete casting platform.According to the number of plies of basement, the cylindrical of described steel pipe column is provided with one group of steel corbel 16, and at the bottom of the steel corbel distance steel pipe column of bottommost, mouth distance is not less than 2.5 meters, and be seated on pile foundation steel bar cage, the end mouth of steel pipe column inserts pile foundation steel bar cage; The steel corbel of top is welded with vertical vent stem 24, vertical vent stem is provided with surveys hole 12 of hanging down, and the steel corbel below top steel corbel is welded with vertical target bar 27, and vertical target bar is carved with cross location target 4 with laser; Use laser plummet apparatus to be projected to location target by the vertical hole of survey and carry out squareness measurement adjustment, to guarantee that steel pipe column verticality in the height of each meter is not more than 35mm.After the centre deviation of steel pipe column and stake holes and verticality are adjusted, by total powerstation check errorless after, by one group of fixed bar 6 by integrally welded for the steel pile casting in steel pipe column and stake holes aperture, during to guarantee concreting, steel pipe column produces displacement; Before concreting, the axial absolute altitude of steel pipe column should higher than design elevation 10mm to guarantee the sedimentation counteracting amount of steel pipe column in concreting process.Reinforced concrete pile cap makes reusable by professional factory by designing requirement, and reinforced concrete pile cap is the three-back-shaped reinforced concrete precast member that thickness is not less than 400mm; Reinforced concrete pile cap central authorities are provided with working hole 28, and the edge along reinforced concrete pile cap is embedded with one group of fixture 29 and hoisting ring 30; Fixture 29 comprises fixed head 31, and fixed head is welded with one group of bolt 33, fixed head central authorities are provided with rectangular opening 32, and the reinforced concrete pile cap bottom fixed head is provided with anchor hole; Reinforced concrete pile cap is fixed on the ground by the guide pile running through anchor hole.Concrete casting platform be to be welded by the different shaped steel of designing requirement model by professional factory and operating platform, reusable; The plan view shape of concrete casting platform is three-back-shaped, and centre is provided with gathering hole 36; Concrete casting platform is double-layer structure, and side is provided with cat ladder 35, and every layer is all covered with steel plate 37; Upper strata is provided with one group for supporting the otic placode 38 of interim coupling beam, and regulated the absolute altitude of steel pipe column by interim coupling beam, surrounding is provided with fence 34; Lower floor is provided with one group of side direction jack 13, is connected bottom side direction jack with the column 40 of concrete casting platform, by center and the verticality of side direction jack adjustment steel pipe column; Column bottom is provided with and is connected leg 39 with reinforced concrete pile cap.Adopt C60 concrete placings in steel pipe column, bottom pile foundation, 250-400mm thickness adopts C60 concrete to build, and pile foundation remainder adopts C30 or C40 concrete placings; When building, tremie is extended bottom pile foundation and build; When concrete plane rises to mouth at the bottom of steel pipe column, then inserted in steel pipe column by another root tremie, continuous placing when two tremies adopt the concrete of two kinds of varying strengths to confuse, builds absolute altitude until reach.

what form according to said method of the present invention a kind ofly installs the inverse structural representation making the structure of steel pipe column as shown in Figure 1 revolving to dig in stake holes, and this structure comprises stake holes 1 and steel pipe column 2; Stake holes aperture is provided with steel pile casting 5; Be provided with pile foundation steel bar cage 3 in stake holes, pile foundation steel bar cage is provided with and supports ring flat-plate 17; Be provided with one group of steel corbel 16 outside steel pipe column, the steel corbel of bottommost is seated on the support ring flat-plate of pile foundation steel bar cage; Below the end mouth of steel pipe column is positioned at and supports ring flat-plate, distance is not less than 2.5 meters, and the top mouth of steel pipe column stretches out from stake holes aperture; Ground, stake holes aperture is provided with reinforced concrete pile cap 8, and reinforced concrete pile cap is fixed on ground, stake holes aperture through one group of guide pile 7; Reinforced concrete pile cap is provided with concrete casting platform 14, concrete casting platform is double-decker, upper strata is provided with one group of otic placode 38, otic placode is connected with in the middle part of interim coupling beam 11, interim coupling beam one end and the lead 15 being temporarily connected to steel pipe column top mouth, the interim coupling beam other end is connected with support jack 10, is provided with bearing 9 bottom support jack 10; The lower floor of concrete casting platform is provided with one group of side direction jack 13.As shown in Figure 2, in one group of steel corbel 16 outside steel pipe column top steel corbel on be welded with vertical vent stem 24, vertical vent stem is provided with surveys hole 12 of hanging down, and the steel corbel below top steel corbel is welded with vertical target bar 27, and vertical target bar is carved with cross location target 4 with laser; Steel corbel comprises upper ring plate 22 and lower ring plate 21, is provided with one group along the uniform stiffener 23 of surrounding between upper lower ring plate.The cylindrical of steel pipe column two ends and centre is provided with X-axis line 19 and Y-axis line 20.

during construction, also need the following item of phonetic notation: strict control steel column top mark is high, and every root steel column must be high according to calculating steel column top mark, and report corresponding department to check and examine.Slightly high 10mm when every root steel column is installed, ensures the sedimentation counteracting amount of steel column in concreting process.For guaranteeing steel column accurate positioning, after steel column in place, utilizing total powerstation to check, setting program in total powerstation, measuring steel column centre coordinate, guarantee that centre coordinate coincide with design coordinate.Vertical control system utilizes plumb aligner to control, and carries out the final fixing of steel column after steel column top axis and shaft verticality all meet the demands by steel bracket upper end coupling beam and steel pile casting lower end gripper shoe.Degree control requires: H/1000 and be not more than 35.

Claims (10)

1. the inverse construction method making steel pipe column is installed revolving to dig in stake holes, it is characterized in that: the method is constructed according to the following steps:
Step one, employing are revolved excavation formula and are excavated stake holes on ground by designing requirement, and stake holes aperture place adopts steel pile casting to reinforce in case aperture caves in;
Step 2, the reinforced concrete pile cap made in advance is fixed on the aperture of stake holes with one group of guide pile, and steel pile casting is welded with the steel mesh reinforcement in reinforced concrete pile cap;
Step 3, pile foundation steel bar cage to be hung at the bottom of stake holes hole by crane gear and locate;
Step 4, by crane gear, steel pipe column is vertically hung in stake holes, be seated on pile foundation steel bar cage;
Step 5, on the reinforced concrete pile cap in stake holes aperture, concrete casting platform and tremie are installed;
Step 6, employing crossover-circulating type method cleaning stake holes;
Step 7, at the top mouth of pipe of steel pipe column, interim coupling beam is installed, and by the axial location of the support jack adjustment steel pipe column that is positioned at reinforced concrete pile cap both sides; By being arranged on center and the verticality of one group of side direction jack adjustment steel pipe column on concrete casting platform;
Step 8, to be completed building of pile foundation and steel pipe column interior concrete by tremie.
2. construction method according to claim 1, is characterized in that: described steel pipe column is made by designing requirement by professional factory, and the equal open-ended in steel pipe column two ends, the cylindrical of steel pipe column two ends and centre is carved with X-axis line and Y-axis line with laser; X-axis line and Y-axis line are all alignd, to guarantee that the centre deviation of steel pipe column and stake holes is not more than 5mm with stake holes center by the one group of side direction jack adjustment steel pipe column be arranged on concrete casting platform.
3. method according to claim 2, it is characterized in that: according to the number of plies of basement, the cylindrical of described steel pipe column is provided with one group of steel corbel, and at the bottom of the steel corbel distance steel pipe column of bottommost, mouth distance is not less than 2.5 meters, be seated on pile foundation steel bar cage, the end mouth of steel pipe column inserts pile foundation steel bar cage; The steel corbel of top is welded with vertical vent stem, vertical vent stem is provided with surveys hole of hanging down, and the steel corbel below top steel corbel is welded with vertical target bar, and vertical target bar is carved with cross location target with laser; Use laser plummet apparatus to be projected to location target by the vertical hole of survey and carry out squareness measurement adjustment, to guarantee that steel pipe column verticality in the height of each meter is not more than 35mm.
4. method according to claim 3, it is characterized in that: after the centre deviation of described steel pipe column and stake holes and verticality are adjusted, by total powerstation check errorless after, by one group of fixed bar by integrally welded for the steel pile casting in steel pipe column and stake holes aperture, during to guarantee concreting, steel pipe column produces displacement; Before concreting, the axial absolute altitude of steel pipe column should higher than design elevation 10mm to guarantee the sedimentation counteracting amount of steel pipe column in concreting process.
5. method according to claim 4, is characterized in that: described reinforced concrete pile cap makes reusable by professional factory by designing requirement, and reinforced concrete pile cap is the three-back-shaped reinforced concrete precast member that thickness is not less than 400mm; Reinforced concrete pile cap central authorities are provided with working hole, and the edge along reinforced concrete pile cap is embedded with one group of fixture and hoisting ring; Fixture comprises fixed head, and fixed head is welded with one group of bolt, fixed head central authorities are provided with rectangular opening, and the reinforced concrete pile cap bottom fixed head is provided with anchor hole; Reinforced concrete pile cap is fixed on the ground by the guide pile running through anchor hole.
6. method according to claim 5, is characterized in that: described concrete casting platform is the operating platform be welded by the shaped steel that designing requirement model is different by professional factory, reusable; The plan view shape of concrete casting platform is three-back-shaped, and centre is provided with gathering hole; Concrete casting platform is double-layer structure, and side is provided with cat ladder, and every layer is all covered with steel plate; Upper strata is provided with one group for supporting the otic placode of interim coupling beam, and regulated the absolute altitude of steel pipe column by interim coupling beam, surrounding is provided with fence; Lower floor is provided with one group of side direction jack, is connected bottom side direction jack with the column of concrete casting platform, by center and the verticality of side direction jack adjustment steel pipe column; Column bottom is provided with and is connected leg with reinforced concrete pile cap.
7. method according to claim 6, is characterized in that: adopt C60 concrete placings in described steel pipe column, and bottom pile foundation, 250-400mm thickness adopts C60 concrete to build, and pile foundation remainder adopts C30 or C40 concrete placings; When building, tremie is extended bottom pile foundation and build; When concrete plane rises to mouth at the bottom of steel pipe column, then inserted in steel pipe column by another root tremie, continuous placing when two tremies adopt the concrete of two kinds of varying strengths to confuse, builds absolute altitude until reach.
8. according to the arbitrary claim of claim 1 ~ 7 method form the inverse structure making steel pipe column is installed revolving to dig in stake holes, comprise stake holes (1) and steel pipe column (2); Stake holes aperture is provided with steel pile casting (5); It is characterized in that: be provided with pile foundation steel bar cage (3) in stake holes, pile foundation steel bar cage is provided with and supports ring flat-plate (17); Be provided with one group of steel corbel (16) outside steel pipe column, the steel corbel of bottommost is seated on the support ring flat-plate of pile foundation steel bar cage; Below the end mouth of steel pipe column is positioned at and supports ring flat-plate, distance is not less than 2.5 meters, and the top mouth of steel pipe column stretches out from stake holes aperture; Ground, stake holes aperture is provided with reinforced concrete pile cap (8), and reinforced concrete pile cap is fixed on ground, stake holes aperture through one group of guide pile (7); Reinforced concrete pile cap is provided with concrete casting platform (14), concrete casting platform is double-decker, upper strata is provided with one group of otic placode (38), otic placode is connected with interim coupling beam (11) middle part, interim coupling beam one end and the lead (15) being temporarily connected to steel pipe column top mouth, the interim coupling beam other end is connected with support jack (10), and support jack (10) bottom is provided with bearing (9); The lower floor of concrete casting platform is provided with one group of side direction jack (13).
9. structure according to claim 8, it is characterized in that: the steel corbel of the middle top of one group of steel corbel (16) outside described steel pipe column is welded with vertical vent stem (24), vertical vent stem is provided with surveys hole (12) of hanging down, steel corbel below top steel corbel is welded with vertical target bar (27), vertical target bar is carved with cross location target (4) with laser; Steel corbel comprises upper ring plate (22) and lower ring plate (21), is provided with one group along the uniform stiffener (23) of surrounding between upper lower ring plate.
10. structure according to claim 9, is characterized in that: the cylindrical of described steel pipe column two ends and centre is provided with X-axis line (19) and Y-axis line (20).
CN201410111687.6A 2014-03-25 2014-03-25 Inverse construction method and the structure of making steel pipe column are installed revolving to dig in stake holes CN104141301B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410111687.6A CN104141301B (en) 2014-03-25 2014-03-25 Inverse construction method and the structure of making steel pipe column are installed revolving to dig in stake holes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410111687.6A CN104141301B (en) 2014-03-25 2014-03-25 Inverse construction method and the structure of making steel pipe column are installed revolving to dig in stake holes

Publications (2)

Publication Number Publication Date
CN104141301A CN104141301A (en) 2014-11-12
CN104141301B true CN104141301B (en) 2016-04-13

Family

ID=51850620

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410111687.6A CN104141301B (en) 2014-03-25 2014-03-25 Inverse construction method and the structure of making steel pipe column are installed revolving to dig in stake holes

Country Status (1)

Country Link
CN (1) CN104141301B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105297731B (en) * 2015-10-09 2017-04-12 中铁二局集团有限公司 Reverse construction method steel stand column positioning device and positioning method
CN105442848B (en) * 2015-11-05 2018-01-05 芜湖赛特施工设备有限公司 A kind of false bracket mould
CN105386459A (en) * 2015-12-17 2016-03-09 中国水利水电第十四工程局有限公司 Positioning device and method for large steel structural column
CN105839621B (en) * 2016-03-30 2019-03-05 上海城建市政工程(集团)有限公司 A kind of implementation method of abrupt-change cross section and unlike material drilled pile
CN105926593B (en) * 2016-04-22 2018-11-13 东通岩土科技(杭州)有限公司 A kind of column pile construction method in boulder bed
CN105951747B (en) * 2016-05-10 2017-12-08 温州市建设监理有限公司 A kind of construction method of the pre-buried lattice column of contrary sequence method
CN106013097B (en) * 2016-07-01 2018-03-16 杭州江润科技有限公司 Mountain area abrupt slope great diameter and long pile cages construction sizing mould bases in situ and construction method
CN110104557A (en) * 2019-04-19 2019-08-09 中科院合肥技术创新工程院 A kind of architectural prefab Hoisting Position positioning adjustment device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4373824B2 (en) * 2004-03-16 2009-11-25 東日本旅客鉄道株式会社 Joining method of cast-in-place pile and steel pipe column
KR101026188B1 (en) * 2010-06-17 2011-03-31 토양건영 주식회사 Pile made by using grouting method and construction method for as the same
CN102162258A (en) * 2011-02-28 2011-08-24 温州建设集团有限公司 Concrete-filled steel tubular high-pile tower footing structure of tower crane and construction method thereof
CN202500146U (en) * 2012-02-29 2012-10-24 中国电力科学研究院 Steel-structure assembly type bearing platform tubular pile foundation
CN103205964A (en) * 2013-04-01 2013-07-17 中冶交通工程技术有限公司 Cast-in-place pile construction method using steel pipe column splicing piles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4373824B2 (en) * 2004-03-16 2009-11-25 東日本旅客鉄道株式会社 Joining method of cast-in-place pile and steel pipe column
KR101026188B1 (en) * 2010-06-17 2011-03-31 토양건영 주식회사 Pile made by using grouting method and construction method for as the same
CN102162258A (en) * 2011-02-28 2011-08-24 温州建设集团有限公司 Concrete-filled steel tubular high-pile tower footing structure of tower crane and construction method thereof
CN202500146U (en) * 2012-02-29 2012-10-24 中国电力科学研究院 Steel-structure assembly type bearing platform tubular pile foundation
CN103205964A (en) * 2013-04-01 2013-07-17 中冶交通工程技术有限公司 Cast-in-place pile construction method using steel pipe column splicing piles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
上海软土地基地下室逆作法劲性柱桩施工技术;许孙杰等;《福建建筑》;20051231(第95、96期);第311-314页 *

Also Published As

Publication number Publication date
CN104141301A (en) 2014-11-12

Similar Documents

Publication Publication Date Title
CN104532813B (en) A kind of aquatic building operation platform and erection method, using method
CN102797252B (en) Construction method of underground continuous walls
CN102691294B (en) Construction method of underground continuous wall
US6923599B2 (en) In-ground lifting system and method
CN104631470B (en) The large particle diameter sand gravel of high water level geology deep basal pit combination supporting construction method
CN103741657B (en) The construction method of large-sized multifunction waterborne traffic accident
CN103510529B (en) Steel hanging box system for underwater high-rise pile cap construction and construction technology thereof
CN103938703B (en) A kind of pipe jacking construction method
CN102011397B (en) Construction process of concrete form water-stopping occlusion pile
CN105239563B (en) A kind of supporting rotary drilling rig dry method pore-creating filling pile structure of grouting behind shaft or drift lining and construction method
CN201241335Y (en) Pile and post in one foundation structure of underground engineering
CN205205857U (en) Integral concrete utility tunnel of prefabricated assembly
CN101906991B (en) Construction method for managing underground mined-out area or cavity
CN102268871B (en) Construction method of turnover platform for underwater pile foundation of bridge
CN103485360B (en) A kind of steel platform tower crane foundation and construction method thereof
CN105201532B (en) The Ring Cutting construction method of underground Long span spherical crown shape dome under weak surrounding rock
CN101503879B (en) Pre-control method for preventing inclination of sinking well
CN106400782B (en) A kind of construction method for going along with sb. to guard him hole-drilling interlocking pile using rotary drilling rig construction foundation pit
CN102587924A (en) Construction method for shallow-buried high-water-content clayed soil tunnel
CN105386408A (en) Deep-water bridge pile foundation construction method
CN106402490B (en) Silt stratum push pipe jacking construction method based on steel bushing head tool pipe
CN105887813A (en) Large-diameter super-long pile construction method in karst area through full-casing pipe full rotating and rotary drilling
CN103205965B (en) Root pressure grouting pile and construction method thereof
CN102605772A (en) Construction method for revolving digging cast-in-place pile
CN103266600B (en) Construction method of occlusion pile of full reinforcement pile

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