CN104141301A - Construction method and structure for mounting reverse-construction steel pipe column in rotary drilled pile hole - Google Patents

Construction method and structure for mounting reverse-construction steel pipe column in rotary drilled pile hole Download PDF

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Publication number
CN104141301A
CN104141301A CN201410111687.6A CN201410111687A CN104141301A CN 104141301 A CN104141301 A CN 104141301A CN 201410111687 A CN201410111687 A CN 201410111687A CN 104141301 A CN104141301 A CN 104141301A
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pipe column
steel pipe
steel
hole
construction
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CN201410111687.6A
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CN104141301B (en
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张明
苏伟
潘凯军
欧阳林
叶磊
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China Construction Fourth Engineering Division Corp Ltd
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China Construction Fourth Engineering Division Corp Ltd
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Abstract

The invention discloses a construction method and structure for mounting a reverse-construction steel pipe column in a rotary drilled pile hole. The construction method comprises the steps as follows: 1, drilling the pile hole; 2, mounting a reinforced concrete bearing platform; 3, hoisting a pile foundation reinforcement cage; 4, hoisting the steel pipe column; 5, mounting a concrete pouring platform; 6, cleaning the pile hole; 7, adjusting the elevation, the center position and the perpendicularity of the steel pipe column; 8, completing pouring of concrete in a pile foundation and the steel pipe column. The method is simple and practical, the construction period can be shortened, the project cost can be reduced, and the problem that the construction period is longer due to the fact that the pile foundation and the steel pipe column are constructed separately is solved. By the aid of the construction method and structure, the construction period is shortened while the project quality is guaranteed. The construction method and structure have the good social benefit and the good economic benefit. According to the construction method and structure, the high-efficiency construction requirement is met, the construction cost is saved, the project cost is reduced, the problem of continuous construction of rotary drilling and the steel pipe column in basement reverse construction is effectively solved, and the construction method and structure have the wide practicability and the popularization performance.

Description

Contrary construction method and the structure of making steel pipe column is installed revolving to dig in a hole
Technical field
the present invention relates to a kind ofly contrary construction method and the structure of making steel pipe column is installed revolving to dig in a hole, belong to civil engineering technical field.
Background technology
development along with Building Trade in China, all kinds of types of construction continue to bring out, the super dark engineering of super large is more and more, in conventional project reverse construction, revolve dig stake and contrary as steel pipe column, be a minute secondary construction, reserve steel pipe locator revolving while digging pile driving construction, and then carry out the construction of steel pipe column, the conventional project reverse construction time is long, waste is larger, can not meet the requirement of energy-saving and emission-reduction.
Summary of the invention
the object of the invention is to, provide a kind of and contrary construction method and the structure of making steel pipe column is installed revolving to dig in a hole, to shorten the construction period, save construction costs, thereby overcome the deficiencies in the prior art.
technical scheme of the present invention:
a contrary construction method of making steel pipe column is installed revolving to dig in a hole, the method is constructed according to the following steps:
step 1, employing are revolved excavation formula and by designing requirement, are excavated a stake hole on ground, and stake aperture, hole place's employing steel casing is reinforced in case aperture caves in;
step 2, the reinforced concrete pile cap of making is in advance fixed on to the aperture in a hole with one group of guide pile, and by the steel mesh reinforcement welding in steel casing and reinforced concrete pile cap;
step 3, locate at the bottom of pile foundation steel bar cage being hung in to a hole, hole by crane gear;
step 4, by crane gear, steel pipe column is vertically hung in to a hole, be seated on pile foundation steel bar cage;
step 5, concrete casting platform and tremie are installed on the reinforced concrete pile cap in aperture, stake hole;
step 6, an employing crossover-circulating type method cleaning stake hole;
step 7, at the top of steel pipe column, the mouth of pipe is installed interim coupling beam, and by being positioned at the support jack of reinforced concrete pile cap both sides, adjusts the axial location of steel pipe column; 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, by tremie, complete building of pile foundation and steel pipe column inner concrete.
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 is carved with X-axis line and Y-axis line with laser on the cylindrical of steel pipe column two ends and centre; By be arranged on one group of side direction jack on concrete casting platform adjust steel pipe column make X-axis line and Y-axis line all with a stake hole center-aligned, to guarantee that the centre deviation in steel pipe column and a hole is not more than 5mm.
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 the steel corbel of bottommost is not less than 2.5 meters apart from mouth distance at the bottom of steel pipe column, is seated on pile foundation steel bar cage, and the end mouth of steel pipe column inserts pile foundation steel bar cage; On the steel corbel of top, be welded with vertical vent stem, vertical vent stem is provided with surveys the hole of hanging down, and on the steel corbel of top steel corbel below, is welded with vertical target bar, on vertical target bar, with laser, is carved with cross location target; Use laser plummet apparatus to be projected to location target and to carry out squareness measurement adjustment by surveying the hole of hanging down, 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 in described steel pipe column and stake hole and verticality are adjusted, by total powerstation check errorless after, by one group of fixed bar, steel pipe column is integrally welded with the steel casing in stake aperture, hole, steel pipe column produces displacement when guaranteeing concreting; Before concreting, the axial absolute altitude of steel pipe column should be 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 is made reusable by designing requirement by professional factory, 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, along the edge of reinforced concrete pile cap, are embedded with one group of fixture and hoisting ring; Fixture comprises fixed head, is welded with one group of bolt on fixed head, and fixed head central authorities are provided with rectangular opening, and the reinforced concrete pile cap of fixed head bottom is provided with anchor hole; Reinforced concrete pile cap fixes on the ground by running through the guide pile of anchor hole.
in aforementioned construction method, described concrete casting platform is by professional factory the operating platform by the different shaped steel welding of designing requirement use model, 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 a 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, regulates the absolute altitude of steel pipe column by interim coupling beam, and surrounding is provided with fence; Lower floor is provided with one group of side direction jack, and side direction jack bottom is connected with the column of concrete casting platform, adjusts center and the verticality of steel pipe column by side direction jack; Column bottom is provided with reinforced concrete pile cap and is connected leg.
in aforementioned construction method, adopt C60 concrete to build in described steel pipe column, pile foundation bottom 250-400mm thickness adopts C60 concrete to build, and pile foundation remainder adopts C30 or C40 concrete to build; While building, tremie being extended to pile foundation bottom builds; At the bottom of concrete plane rises to steel pipe column during mouth, then another root tremie is inserted in steel pipe column, continuous placing when two tremies adopt the concrete of two kinds of varying strengths to confuse, builds absolute altitude until reach.
what according to said method, form of the present invention a kind ofly installs the contrary structure of making steel pipe column in a hole and is revolving to dig: this structure comprises a hole and steel pipe column; Stake aperture, hole is provided with steel casing; Stake is provided with pile foundation steel bar cage in hole, and pile foundation steel bar cage is provided with support ring flat-plate; Steel pipe column is provided with one group of steel corbel outward, and 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 aperture, stake hole; Stake ground, aperture, hole is provided with reinforced concrete pile cap, and reinforced concrete pile cap is fixed on a ground, aperture, hole 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 interim coupling beam middle part, interim coupling beam one end be connected to the lead of steel pipe column top mouth temporarily, the interim coupling beam other end is connected with support jack, and support jack bottom is provided with bearing; 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, on the steel corbel of top, be welded with vertical vent stem, vertical vent stem is provided with surveys the hole of hanging down, and on the steel corbel of top steel corbel below, is welded with vertical target bar, on vertical target bar, with laser, is carved with cross location target; Steel corbel comprises upper ring plate and lower ring plate, is provided with one group of edge uniform stiffener around between upper lower ring plate.
in aforementioned structure, described steel pipe column two ends and middle cylindrical are provided with X-axis line and Y-axis line.
owing to having adopted technique scheme, compared with prior art, the present invention is mainly applicable to three layers of above super dark contrary working method engineering of basement in the present invention, and the present invention can install and fix contrary revolving and dig steel pipe column in stake at original ground, versatility is stronger, has good promotion advantage.Its method simple practical, can save the construction period, reduces construction costs, has solved pile foundation and steel pipe column and has separately constructed and cause longer problem of duration.The present invention is Accelerating The Construction duration while in the situation that guaranteeing 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 again in basement adverse construction method and revolved and dig the problem of constructing continuously with steel pipe column, had 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 hole, 2-steel pipe column, 3-pile foundation steel bar cage, 4-locates target, 5-steel casing, 6-fixed bar, 7-guide pile, 8-reinforced concrete pile cap, 9-bearing, 10-support jack, the interim coupling beam of 11-, 12-surveys the 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.
The specific embodiment
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 contrary construction method of making steel pipe column is installed revolving to dig in a hole, while specifically implementing, as shown in Figure 1, construction according to the following steps:
step 1, elder generation determine stake 1 position, hole, hole on ground according to requirement of engineering, then centered by position, hole, bury steel casing 5 underground, and steel casing internal diameter is greater than an aperture, hole, more than clay layer 0.5m should be stretched in steel casing bottom.Length should meet and enters clay layer at the bottom of steel casing and be no less than 0.5m.Above steel casing, set up rotary drilling rig, the bit central of rotary drilling rig is not more than 10mm with stake position errors of centration, and bit diameter is 2.2 meters.Rotary drilling rig is removed after having bored in stake hole 1.
step 2, the reinforced concrete pile cap 8 that professional factory is made in advance by designing requirement are transported to job site, with one group of guide pile 7, reinforced concrete pile cap are fixed on to the aperture in a hole.In reinforced concrete pile cap, built steel mesh reinforcement, and had part reinforcing bar to expose reinforced concrete pile cap, the reinforcing bar exposing and the welding of steel casing; 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, along the edge of reinforced concrete pile cap, are embedded with one group of fixture and hoisting ring; Fixture comprises fixed head, is welded with one group of bolt on fixed head, and fixed head central authorities are provided with rectangular opening, and the reinforced concrete pile cap of fixed head bottom is provided with anchor hole; Reinforced concrete pile cap fixes on the ground by running through the guide pile of anchor hole.Reinforced concrete pile cap can repeat turnover and use.
step 3, with crane or tower crane, the pile foundation steel bar cage weaving in advance 3 is hung in to location at the bottom of a hole, hole; Stake is provided with cushion block at the bottom of hole, hole, and pile foundation steel bar cage is seated on the cushion block at the bottom of a hole, hole, makes pile foundation steel bar cage bottom leave 250mm at the bottom of a hole, hole, is placed between two parties a hole central authorities.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,
the steel pipe column 2 that step 4, Jiang Cong factory ship is placed in a side, hole, while putting, and steel pipe column bottom alignment stake hole, during lifting, crane or tower crane are hooking directly the tilt mode of lifting of employing ground, steel pipe column top steel pipe column are being sling, and slowly put into a hole.For preventing that steel pipe column bottom is by sludge pollution, steel pipe column is placed on sleeper, after steel pipe column lifting, in time the mud of steel pipe column bottom is cleaned out.The steel corbel that steel pipe column vertically hangs in the bottommost on steel pipe column behind a hole 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 steel pipe column, the steel corbel of bottommost is seated on the support ring flat-plate 17 of pile foundation steel bar cage, at the bottom of steel pipe column, mouth inserts at least 2.5 meters of pile foundation steel bar cages.On steel pipe column, except the steel corbel of bottommost, be also provided with several steel corbels on it, its quantity is determined according to the number of plies of basement.In one group of steel corbel 16 outside steel pipe column, on the steel corbel of top, be welded with vertical vent stem 24, vertical vent stem is provided with surveys the hole 12 of hanging down, and on the steel corbel of top steel corbel below, is welded with vertical target bar 27, on vertical target bar, with laser, is carved with cross location target 4; Steel corbel comprises upper ring plate 22 and lower ring plate 21, is provided with one group of edge uniform stiffener 23 around between upper lower ring plate.For convenience of on-the-spot steel pipe column construction, 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, by the X-axis line 19 on steel pipe column and Y-axis line 20 axis, regulate steel pipe column axis centering.
after step 5, steel pipe column erect, the concrete casting platform 14 use crane liftings that professional factory is made in advance by designing requirement, on the reinforced concrete pile cap in aperture, stake hole, are seated on the bolt of reinforced concrete pile cap fixture 29 and fix with nut.Concrete casting platform is double-decker, upper strata is provided with one group of otic placode 38, and otic placode is connected with interim coupling beam 11 middle parts, interim coupling beam one end and be temporarily connected to the lead 15 of steel pipe column top mouth, the interim coupling beam other end is connected with support jack 10, and support jack 10 bottoms are provided with bearing 9; 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, an employing crossover-circulating type method cleaning stake hole;
step 7, at the top of steel pipe column mouth of pipe fixed guide post 15, lead and interim coupling beam 11, adjust the axial location of steel pipe columns by being positioned at the support jack 10 of reinforced concrete pile cap both sides; By being arranged on center and the verticality of one group of side direction jack, the 13 adjustment steel pipe columns on concrete casting platform.After steel column lifting, according to X, Y-axis line, utilize transit to measure, steel column is carried out to axis location and adjustment, regulate the center of steel column by the jack on lower bracket platform, centre deviation is controlled in 5mm.
step 8, by tremie, complete building of pile foundation and steel pipe column inner concrete.In steel pipe column, adopt C60 concrete to build, pile foundation bottom 250-400mm thickness adopts C60 concrete to build, and pile foundation remainder adopts C30 or C40 concrete to build; While building, tremie being extended to pile foundation bottom builds; At the bottom of concrete plane rises to steel pipe column during mouth, then another root tremie is inserted in steel pipe column, 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 is carved with X-axis line 19 and Y-axis line 20 with laser on the cylindrical of steel pipe column two ends and centre; By be arranged on one group of side direction jack on concrete casting platform adjust steel pipe column make X-axis line and Y-axis line all with a stake hole center-aligned, to guarantee that the centre deviation in steel pipe column and a hole is not more than 5mm.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 the steel corbel of bottommost is not less than 2.5 meters apart from mouth distance at the bottom of steel pipe column, is seated on pile foundation steel bar cage, and the end mouth of steel pipe column inserts pile foundation steel bar cage; On the steel corbel of top, be welded with vertical vent stem 24, vertical vent stem is provided with surveys the hole 12 of hanging down, and on the steel corbel of top steel corbel below, is welded with vertical target bar 27, on vertical target bar, with laser, is carved with cross location target 4; Use laser plummet apparatus to be projected to location target and to carry out squareness measurement adjustment by surveying the hole of hanging down, to guarantee that steel pipe column verticality in the height of each meter is not more than 35mm.After steel pipe column is adjusted with the stake centre deviation in hole and verticality, by total powerstation check errorless after, by one group of fixed bar 6, steel pipe column is integrally welded with the steel casing in stake aperture, hole, steel pipe column produces displacement when guaranteeing concreting; Before concreting, the axial absolute altitude of steel pipe column should be higher than design elevation 10mm to guarantee the sedimentation counteracting amount of steel pipe column in concreting process.Reinforced concrete pile cap is made reusable by designing requirement by professional factory, 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, along the edge of reinforced concrete pile cap, are embedded with one group of fixture 29 and hoisting ring 30; Fixture 29 comprises fixed head 31, is welded with one group of bolt 33 on fixed head, and fixed head central authorities are provided with rectangular opening 32, and the reinforced concrete pile cap of fixed head bottom is provided with anchor hole; Reinforced concrete pile cap fixes on the ground by running through the guide pile of anchor hole.Concrete casting platform is by professional factory the operating platform by the different shaped steel welding of designing requirement use model, 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 a 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, regulates the absolute altitude of steel pipe column by interim coupling beam, and surrounding is provided with fence 34; Lower floor is provided with one group of side direction jack 13, and side direction jack bottom is connected with the column 40 of concrete casting platform, adjusts center and the verticality of steel pipe column by side direction jack; Column bottom is provided with and is connected leg 39 with reinforced concrete pile cap.In steel pipe column, adopt C60 concrete to build, pile foundation bottom 250-400mm thickness adopts C60 concrete to build, and pile foundation remainder adopts C30 or C40 concrete to build; While building, tremie being extended to pile foundation bottom builds; At the bottom of concrete plane rises to steel pipe column during mouth, then another root tremie is inserted in steel pipe column, continuous placing when two tremies adopt the concrete of two kinds of varying strengths to confuse, builds absolute altitude until reach.
according to said method, form of the present invention a kind of revolve dig the contrary structure of making steel pipe column is installed in a hole structural representation as shown in Figure 1, this structure comprises a hole 1 and steel pipe column 2; Stake aperture, hole is provided with steel casing 5; Stake is provided with pile foundation steel bar cage 3 in hole, and pile foundation steel bar cage is provided with and supports ring flat-plate 17; Steel pipe column is provided with one group of steel corbel 16 outward, and 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 aperture, stake hole; Stake ground, aperture, hole is provided with reinforced concrete pile cap 8, and reinforced concrete pile cap is fixed on a ground, aperture, hole 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 parts, interim coupling beam one end be connected to the lead 15 of steel pipe column top mouth temporarily, the interim coupling beam other end is connected with support jack 10, and support jack 10 bottoms are provided with bearing 9; 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, on the steel corbel of top, be welded with vertical vent stem 24, vertical vent stem is provided with surveys the hole 12 of hanging down, and on the steel corbel of top steel corbel below, is welded with vertical target bar 27, on vertical target bar, with laser, is carved with cross location target 4; Steel corbel comprises upper ring plate 22 and lower ring plate 21, is provided with one group of edge uniform stiffener 23 around between upper lower ring plate.Steel pipe column two ends and middle cylindrical are provided with X-axis line 19 and Y-axis line 20.
during construction, also need the following item of phonetic notation: strictly control steel column top mark high, every 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 steel column is installed, the sedimentation counteracting amount of steel column in assurance concreting process.For guaranteeing steel column accurate positioning, after steel column in place, utilize total powerstation to check, setting program in total powerstation, measures steel column centre coordinate, guarantees that centre coordinate and design coordinate coincide.Vertical control system utilizes plumb aligner to control, and after steel column top axis and shaft verticality all meet the demands, by steel bracket upper end coupling beam and steel casing lower end gripper shoe, carries out the final fixing of steel column.Verticality is controlled requirement: H/1000 and is not more than 35.

Claims (10)

1. a contrary construction method of making steel pipe column is installed revolving to dig in a hole, it is characterized in that: the method is constructed according to the following steps:
Step 1, employing are revolved excavation formula and by designing requirement, are excavated a stake hole on ground, and stake aperture, hole place's employing steel casing is reinforced in case aperture caves in;
Step 2, the reinforced concrete pile cap of making is in advance fixed on to the aperture in a hole with one group of guide pile, and by the steel mesh reinforcement welding in steel casing and reinforced concrete pile cap;
Step 3, locate at the bottom of pile foundation steel bar cage being hung in to a hole, hole by crane gear;
Step 4, by crane gear, steel pipe column is vertically hung in to a hole, be seated on pile foundation steel bar cage;
Step 5, concrete casting platform and tremie are installed on the reinforced concrete pile cap in aperture, stake hole;
Step 6, an employing crossover-circulating type method cleaning stake hole;
Step 7, at the top of steel pipe column, the mouth of pipe is installed interim coupling beam, and by being positioned at the support jack of reinforced concrete pile cap both sides, adjusts the axial location of steel pipe column; 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, by tremie, complete building of pile foundation and steel pipe column inner concrete.
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 is carved with X-axis line and Y-axis line with laser on steel pipe column two ends and middle cylindrical; By be arranged on one group of side direction jack on concrete casting platform adjust steel pipe column make X-axis line and Y-axis line all with a stake hole center-aligned, to guarantee that the centre deviation in steel pipe column and a hole is not more than 5mm.
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, the steel corbel of bottommost is not less than 2.5 meters apart from mouth distance at the bottom of steel pipe column, be seated on pile foundation steel bar cage, the end mouth of steel pipe column inserts pile foundation steel bar cage; On the steel corbel of top, be welded with vertical vent stem, vertical vent stem is provided with surveys the hole of hanging down, and on the steel corbel of top steel corbel below, is welded with vertical target bar, on vertical target bar, with laser, is carved with cross location target; Use laser plummet apparatus to be projected to location target and to carry out squareness measurement adjustment by surveying the hole of hanging down, 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 in described steel pipe column and stake hole and verticality are adjusted, by total powerstation check errorless after, by one group of fixed bar, steel pipe column is integrally welded with the steel casing in stake aperture, hole, steel pipe column produces displacement when guaranteeing concreting; Before concreting, the axial absolute altitude of steel pipe column should be 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 is made reusable by designing requirement by professional factory, 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, along the edge of reinforced concrete pile cap, are embedded with one group of fixture and hoisting ring; Fixture comprises fixed head, is welded with one group of bolt on fixed head, and fixed head central authorities are provided with rectangular opening, and the reinforced concrete pile cap of fixed head bottom is provided with anchor hole; Reinforced concrete pile cap fixes on the ground by running through the guide pile of anchor hole.
6. method according to claim 5, is characterized in that: described concrete casting platform be by professional factory by designing requirement the operating platform with the different shaped steel welding of model, 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 a 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, regulates the absolute altitude of steel pipe column by interim coupling beam, and surrounding is provided with fence; Lower floor is provided with one group of side direction jack, and side direction jack bottom is connected with the column of concrete casting platform, adjusts center and the verticality of steel pipe column by side direction jack; Column bottom is provided with reinforced concrete pile cap and is connected leg.
7. method according to claim 6, is characterized in that: in described steel pipe column, adopt C60 concrete to build, pile foundation bottom 250-400mm thickness adopts C60 concrete to build, and pile foundation remainder adopts C30 or C40 concrete to build; While building, tremie being extended to pile foundation bottom builds; At the bottom of concrete plane rises to steel pipe column during mouth, then another root tremie is inserted in steel pipe column, continuous placing when two tremies adopt the concrete of two kinds of varying strengths to confuse, builds absolute altitude until reach.
8. what according to method described in the arbitrary claim of claim 1~7, form installs a contrary structure of making steel pipe column revolving to dig in a hole, comprises a hole (1) and steel pipe column (2); Stake aperture, hole is provided with steel casing (5); It is characterized in that: stake is provided with pile foundation steel bar cage (3) in hole, pile foundation steel bar cage is provided with and supports ring flat-plate (17); Steel pipe column is provided with one group of steel corbel (16) outward, and 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 aperture, stake hole; Stake ground, aperture, hole is provided with reinforced concrete pile cap (8), and reinforced concrete pile cap is fixed on a ground, aperture, hole 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 be connected to the lead (15) of steel pipe column top mouth temporarily, 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: in the one group of steel corbel (16) outside described steel pipe column, on the steel corbel of top, be welded with vertical vent stem (24), vertical vent stem is provided with surveys the hole (12) of hanging down, on the steel corbel of top steel corbel below, be 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 of edge uniform stiffener (23) around between upper lower ring plate.
10. install according to claim 9, it is characterized in that: described steel pipe column two ends and middle cylindrical are 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 Active CN104141301B (en)

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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

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CN105926593A (en) * 2016-04-22 2016-09-07 东通岩土科技(杭州)有限公司 Construction method of stud piles in pebble bed
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CN109680978A (en) * 2019-02-15 2019-04-26 深圳市市政工程总公司 Basement increasing layer underpinning 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
CN110629744A (en) * 2019-09-16 2019-12-31 中铁广州工程局集团深圳工程有限公司 Construction process of steel pipe concrete pile of subway station
CN111764379A (en) * 2020-06-18 2020-10-13 常州东华建筑安装工程有限公司 Construction method and structure applied to reverse construction steel pipe pile
CN111945714A (en) * 2020-08-19 2020-11-17 深圳中汉建设工程集团有限公司 Steel sleeve guiding method combined with steel upright column inserting construction method

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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
CN105297731A (en) * 2015-10-09 2016-02-03 中铁二局集团有限公司 Reverse construction method steel stand column positioning device and positioning method
CN105442848A (en) * 2015-11-05 2016-03-30 芜湖赛特施工设备有限公司 False bracket die
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
CN105839621A (en) * 2016-03-30 2016-08-10 上海城建市政工程(集团)有限公司 Construction method of sudden-changed-section drilled pile made of anisotropic materials
CN105926593A (en) * 2016-04-22 2016-09-07 东通岩土科技(杭州)有限公司 Construction method of stud piles in pebble bed
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
CN105951747A (en) * 2016-05-10 2016-09-21 温州市建设监理有限公司 Construction method for embedding latticed column through reverse building method
CN106013097A (en) * 2016-07-01 2016-10-12 杭州江润科技有限公司 In-situ construction shaping formwork for large-diameter ultra-long pile reinforcement cage of abrupt slope of mountainous area and construction 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
CN109680978A (en) * 2019-02-15 2019-04-26 深圳市市政工程总公司 Basement increasing layer underpinning 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
CN110629744A (en) * 2019-09-16 2019-12-31 中铁广州工程局集团深圳工程有限公司 Construction process of steel pipe concrete pile of subway station
CN110629744B (en) * 2019-09-16 2021-08-13 中铁广州工程局集团深圳工程有限公司 Construction process of steel pipe concrete pile of subway station
CN111764379A (en) * 2020-06-18 2020-10-13 常州东华建筑安装工程有限公司 Construction method and structure applied to reverse construction steel pipe pile
CN111764379B (en) * 2020-06-18 2021-07-09 常州东华建筑安装工程有限公司 Construction method and structure applied to reverse construction steel pipe pile
CN111945714A (en) * 2020-08-19 2020-11-17 深圳中汉建设工程集团有限公司 Steel sleeve guiding method combined with steel upright column inserting construction method

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