CN117127643A - Method for arranging tower crane foundation and tower crane foundation structure - Google Patents
Method for arranging tower crane foundation and tower crane foundation structure Download PDFInfo
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- CN117127643A CN117127643A CN202311258974.5A CN202311258974A CN117127643A CN 117127643 A CN117127643 A CN 117127643A CN 202311258974 A CN202311258974 A CN 202311258974A CN 117127643 A CN117127643 A CN 117127643A
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 217
- 239000010959 steel Substances 0.000 claims abstract description 217
- 238000003466 welding Methods 0.000 claims abstract description 31
- 230000002787 reinforcement Effects 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000009415 formwork Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 18
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 9
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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Abstract
The invention discloses a method for arranging a tower crane foundation and a tower crane foundation structure, and relates to the technical field of construction and building; mounting the bottom plate structure on lattice columns of a plurality of foundation pit supporting piles; installing a plurality of support steel pipes on a bottom plate structure, and binding a plurality of transverse steel pipes and a plurality of longitudinal steel pipes on the plurality of support steel pipes to form a support structure; mounting a first template on top of a support structure; welding the support section steel on the lattice column, installing the support section steel above the first template, and welding the tower crane foundation section on the support section steel; binding the steel bars on the lattice columns to form a basic steel bar structure, and installing the basic steel bar structure above the supporting section steel; and pouring concrete at the first template, the tower crane foundation section and the foundation reinforcement structure to form a tower crane foundation. By the method for arranging the tower crane foundation, the lattice columns of the foundation pit supporting piles can be fully utilized, construction cost is reduced, and construction time is shortened.
Description
Technical Field
The invention relates to the technical field of construction and building, in particular to a method for arranging a tower crane foundation and a tower crane foundation structure.
Background
The tower crane is widely applied in constructional engineering, mainly bears vertical transportation and horizontal transportation, and is more suitable for construction of high-rise buildings; however, the traditional tower crane foundation usually uses a natural foundation and a pile foundation, and the traditional pile foundation adopts a pile foundation and a concrete bearing platform structure, but the construction cost is higher and the construction time is longer due to the need of constructing the pile foundation.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a method for arranging a tower crane foundation, which can fully utilize lattice columns of foundation pit supporting piles, reduce construction cost and reduce construction time.
The invention also proposes a tower crane foundation structure using the method of arranging a tower crane foundation.
According to an embodiment of the first aspect of the invention, a method for arranging a tower crane foundation comprises the following steps: mounting the bottom plate structure on lattice columns of a plurality of foundation pit supporting piles; installing a plurality of support steel pipes on a bottom plate structure, and binding a plurality of transverse steel pipes and a plurality of longitudinal steel pipes on the plurality of support steel pipes to form a support structure; mounting a first template on top of a support structure; welding the support section steel on the lattice column, installing the support section steel above the first template, and welding the tower crane foundation section on the support section steel; binding the steel bars on the lattice columns to form a basic steel bar structure, and installing the basic steel bar structure above the supporting section steel; and pouring concrete at the first template, the tower crane foundation section and the foundation reinforcement structure to form a tower crane foundation.
The method for arranging the tower crane foundation has at least the following beneficial effects: the method comprises the steps of installing a bottom plate structure on a lattice column of a foundation pit supporting pile so as to be capable of installing supporting steel pipes at the top end of the bottom plate structure, binding the bottom plate structure with the supporting steel pipes through a plurality of transverse steel pipes and a plurality of longitudinal steel pipes to fix the position of the supporting structure, installing a first template on the supporting structure, binding reinforcing steel bars on the lattice column above the first template to form a foundation reinforcing steel structure, welding supporting section steel above the first template on the lattice column so as to be convenient for welding tower crane foundation sections on supporting section steel, pouring concrete on the first template so as to enable the concrete to cover the tower crane foundation sections and the foundation reinforcing steel structure, and forming a tower crane foundation after the concrete is solidified so as to improve the stability of the tower crane foundation through the tower crane foundation sections and the foundation reinforcing steel structure; according to the method for arranging the tower crane foundation, the bottom plate structure can be firstly installed on the lattice column so as to bear the supporting structure through the bottom plate structure, then the first template is installed on the top end of the supporting structure so as to bear the first template through the supporting structure, then the foundation reinforcing steel structure and the supporting section steel are welded and installed, concrete is poured on the first template so as to bear the tower crane foundation through the bottom plate structure and the supporting structure, the stability of the tower crane foundation is improved, the bottom plate structure and the supporting structure are firstly installed on the lattice column, then the tower crane foundation is formed, the safety of pouring concrete is improved, and the lattice column of the foundation pit supporting pile can be fully utilized through the method for arranging the tower crane foundation, so that the construction cost is reduced, and the construction time is shortened.
According to some embodiments of the present invention, a plurality of support steel pipes are mounted on a bottom plate structure, and a plurality of transverse steel pipes and a plurality of longitudinal steel pipes are bound to the plurality of support steel pipes to form a support structure; the method comprises the following steps: mounting the lower plate on the top end of the bottom plate structure; arranging and installing a plurality of support steel pipes at the top end of the lower plate; binding a plurality of transverse steel pipes and a plurality of supporting steel pipes with each other; binding a plurality of longitudinal steel pipes, a plurality of transverse steel pipes and a plurality of supporting steel pipes with each other; placing a first square timber on top of a plurality of support steel pipes; a first template is placed on a first square log.
According to some embodiments of the present invention, steel reinforcement is bound to lattice columns to form a base steel reinforcement structure, and the base steel reinforcement structure is mounted above support section steel; the method comprises the following steps: binding the steel bars on the lattice columns to form a basic steel bar structure; and vertically placing a plurality of second templates on the first templates, surrounding the supporting section steel, the foundation reinforcing steel structure and the tower crane foundation section by the plurality of second templates, and connecting the plurality of second templates end to end.
According to some embodiments of the invention, the method further comprises the steps of: and a plurality of second square woods are cubic on the first template, the plurality of second square woods surround the second template, and the plurality of second square woods are connected end to end.
According to some embodiments of the present invention, a floor structure is mounted on lattice columns of a plurality of foundation pit support piles, comprising the steps of: welding the cushion layer on a water stop steel plate on the lattice column; a plurality of water-stop steel plates are vertically arranged on the cushion layer, and are welded with one another end to end in sequence; and pouring concrete on the cushion layer to form a bottom plate structure.
According to some embodiments of the present invention, the method further comprises the step of placing a plurality of diagonal brace steel pipes obliquely, installing one end of the diagonal brace steel pipes on the second square lumber, and placing the other end of the diagonal brace steel pipes between a plurality of water stop steel plates.
According to some embodiments of the invention, the support section steel is welded on the lattice column, the support section steel is arranged above the first template, and the tower crane foundation section is welded on the support section steel; the method comprises the following steps: welding a plurality of support section steel on the lattice column; welding a plurality of support angle steel on the lattice column, and welding the support angle steel on the bottom end of the support section steel; welding a conversion steel plate on the top end of the support section steel; and welding the tower crane foundation section on the conversion steel plate.
According to some embodiments of the present invention, the step of mounting the floor structure on the lattice columns of the plurality of foundation pit support piles includes the steps of mounting the plurality of foundation pit support piles in the foundation pit at intervals, and mounting the plurality of lattice columns on the foundation pit support piles one by one.
The method also comprises the following steps: and locally pouring the bottom plate, wherein the local bottom plate outside the range of the tower crane foundation is poured, and a water stop steel plate is required to be pre-buried before the bottom plate is poured.
According to a second aspect of the present invention, a tower crane foundation structure includes: the lattice columns are provided with a plurality of lattice columns which are arranged at intervals; the length directions of the lattice columns are arranged in the same direction; the bottom plate structure is connected with the lattice column; the support structure is arranged on the top end of the bottom plate; the foundation reinforcement structure is connected with the lattice column and is arranged at the top end of the supporting structure; and the concrete structure is arranged at the foundation reinforcement structure.
The tower crane foundation structure provided by the embodiment of the invention has at least the following beneficial effects: the tower crane foundation structure can be constructed and formed according to the method for arranging the tower crane foundation of the embodiment of the first aspect, by installing the bottom plate structure on the lattice column of the foundation pit supporting pile, so that the supporting steel pipes can be installed at the top end of the bottom plate structure, and the supporting steel pipes can be mutually bound through the transverse steel pipes and the longitudinal steel pipes so as to fix the position of the supporting structure, installing the first template on the supporting structure, binding the steel bars on the lattice column above the first template so as to form a foundation steel bar structure, welding the supporting section steel above the first template on the lattice column so as to conveniently weld the tower crane foundation section on the supporting section steel, pouring the concrete on the first template so that the concrete can cover the tower crane foundation section and the foundation steel bar structure, and after the concrete is solidified, forming the tower crane foundation, and improving the stability of the tower crane foundation through the tower crane foundation section and the foundation steel bar structure; according to the method for arranging the tower crane foundation, the bottom plate structure can be firstly installed on the lattice column so as to bear the supporting structure through the bottom plate structure, then the first template is installed on the top end of the supporting structure so as to bear the first template through the supporting structure, then the foundation reinforcing steel structure and the supporting section steel are welded and installed, concrete is poured on the first template so as to bear the tower crane foundation through the bottom plate structure and the supporting structure, the stability of the tower crane foundation is improved, the bottom plate structure and the supporting structure are firstly installed on the lattice column, then the tower crane foundation is formed, the safety of pouring concrete is improved, and the lattice column of the foundation pit supporting pile can be fully utilized through the method for arranging the tower crane foundation, so that the construction cost is reduced, and the construction time is shortened; the concrete structure is used for bearing a tower crane, and can support the foundation reinforcement structure and the concrete structure through the bottom plate structure and the supporting structure so as to improve the stability of the foundation reinforcement structure and the concrete structure and fully utilize the lattice columns.
According to some embodiments of the invention, the cross-sectional area of the floor structure is larger than the cross-sectional size of the concrete structure.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a cross-sectional view of a tower crane foundation structure of the present invention;
FIG. 2 is a cross-sectional view of the support structure, floor structure and tower foundation of the tower foundation structure of the present invention;
FIG. 3 is a top view of the tower foundation structure of the present invention;
fig. 4 is a flow chart of a method of arranging a tower foundation according to the invention.
Reference numerals:
foundation pit support piles 100; lattice columns 110; a support structure 200; supporting the steel pipe 210; a transverse steel pipe 220; a longitudinal steel pipe 230; diagonal bracing of steel pipe 240; a first template 250; a lower plate 260; a first party 270; a base plate structure 300; a cushion layer 310; a water stop steel plate 320; support section steel 400; tower crane foundation sections 410; supporting angle steel 420; a conversion steel plate 430; a tower crane foundation 500; steel bar 510; a base rebar structure 520; a second template 530; a second square block 540; concrete 550.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, left, right, front, rear, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 4, a method of arranging a tower foundation according to an embodiment of the first aspect of the present invention comprises the steps of:
s100, mounting the bottom plate structure 300 on lattice columns 110 of a plurality of foundation pit supporting piles 100;
s200, installing a plurality of support steel pipes 210 on the bottom plate structure 300, binding a plurality of transverse steel pipes 220 and a plurality of longitudinal steel pipes 230 on the plurality of support steel pipes 210 to form the support structure 200;
s300, mounting a first template 250 on the top end of the supporting structure 200;
s400, welding the support profile steel 400 on the lattice column 110, installing the support profile steel 400 above the first template 250, and welding the tower crane foundation section 410 on the support profile steel 400;
s500, binding the steel bars 510 on the lattice columns 110 to form a basic steel bar structure 520, and installing the basic steel bar structure 520 above the support section steel 400;
s600, casting concrete 550 at the first formwork 250, the tower foundation sections 410 and the foundation rebar structures 520 to form the tower foundation 500.
The foundation structure 300 is installed on the lattice columns 110 of the foundation pit supporting pile 100, so that the supporting steel pipes 210 can be installed at the top end of the foundation pit supporting pile 100, the supporting steel pipes 210 and the supporting steel pipes 210 can be mutually bound through the transverse steel pipes 220 and the longitudinal steel pipes 230, the position of the supporting structure 200 can be fixed, the first template 250 is installed on the supporting structure 200, the steel bars 510 are bound on the lattice columns 110 above the first template 250, the foundation steel structures 520 can be formed, the supporting section steel 400 is welded on the lattice columns 110 above the first template 250, the tower crane foundation section 410 is welded on the supporting section steel 400 conveniently, the concrete 550 is poured on the first template 250, the tower crane foundation section 410 and the foundation steel structures 520 can be covered by the concrete 550, the tower crane foundation 500 can be formed after the concrete 550 is solidified, and the stability of the tower crane foundation 500 can be improved through the tower crane foundation section 410 and the foundation steel structures 520; by the method for arranging the tower crane foundation, the bottom plate structure 300 can be firstly installed on the lattice column 110 so as to be capable of bearing the supporting structure 200 through the bottom plate structure 300, then the first template 250 is installed on the top end of the supporting structure 200 so as to be capable of bearing the first template 250 through the supporting structure 200, then the foundation reinforcement structure 520 and the supporting section steel 400 are welded and installed, the concrete 550 is poured on the first template 250 so as to be capable of bearing the tower crane foundation 500 through the bottom plate structure 300 and the supporting structure 200, the stability of the tower crane foundation 500 is improved, the bottom plate structure 300 and the supporting structure 200 are firstly installed on the lattice column 110, then the tower crane foundation 500 is formed by pouring, the safety of pouring the concrete 550 is improved, and the lattice column 110 of the foundation pit supporting pile 100 can be fully utilized by the method for arranging the tower crane foundation, the construction cost is reduced, and the construction time is shortened.
In particular, a tower crane can be mounted on the tower foundation 500 to carry the tower crane through the tower foundation 500.
Specifically, the stress of the column foot of the tower crane foundation section 410 can be obtained according to the following formula;
Mk 1 ＝Mk+Vk*L 4 ；
F max ＝Fk/4*1.3+1.5*Mk 1 *(B 2 )/4/(B 2 )^2；
F min ＝Fk/4*1.3-1.5*Mk*(B 2 )/4/(B 2 )^2；
F＝max(abs(F max )，abs(F min ))；
wherein MK 1 Is a first bending moment; mk is the bending moment of the tower crane; vk is the horizontal force of the tower crane; l (L) 4 Is the height of the tower crane foundation 500; f (F) max The maximum stress value of the column base of the tower crane foundation section 410; f (F) min The stress of the column base of the tower crane foundation section 410 is the minimum; fk is the dead weight of the tower crane; b (B) 2 The length of the tower crane foundation section 410 as a whole; f is the stress of column feet of the tower crane foundation section 410;
specifically, the reinforcement of the reinforcement 510 of the basic reinforcement structure 520 may be obtained according to the following formula;
H 1 ＝B 3 +0.7*B 1 ；
G 1 ＝1.3*B*B*25*L 4 /E 1 ；
due to E 1 ＞0.5*B 1 So the two largest forces are coincident:
I＝2*F/E 1 +G1；
M max ＝1/12*I*B 1 ^2；
a=m max *1000*1000/360/B 1 /(L 4 *1000-c)；
Wherein H is 1 Is equivalent width; b (B) 3 Is the width of the tower foundation section 410; b (B) 1 The length of the tower crane foundation 500; b is the length of the support structure 200; e (E) 1 Is equivalent width; i is equivalent uniform load; g 1 Is the weight of the support structure 200; a is the area of reinforcing steel bars 510 for each meter of reinforcing steel bar; m is M max Is the maximum bending moment in the width range of the tower crane foundation 500; c is the thickness of the backing layer 310; the stress of the column foot of the tower crane foundation section 410 and the reinforcement of the steel bars 510 of the foundation steel bar structure 520 can be obtained rapidly through the formula, and the construction efficiency is improved.
Referring to fig. 2, in some embodiments of the present invention, S200, installing a plurality of support steel pipes 210 on a floor structure 300, binding a plurality of transverse steel pipes 220 and a plurality of longitudinal steel pipes 230 on the plurality of support steel pipes 210 to form a support structure 200;
the method comprises the following steps:
mounting the lower plate 260 on top of the base plate structure 300;
a plurality of support steel pipes 210 are installed in a row at the top end of the lower plate 260;
binding the plurality of transverse steel pipes 220 and the plurality of support steel pipes 210 to each other;
binding the plurality of longitudinal steel pipes 230 with the plurality of transverse steel pipes 220 and the plurality of support steel pipes 210 to each other;
placing a first square 270 on top of the plurality of support steel pipes 210;
the first template 250 is placed on the first square lumber 270.
Specifically, the lower plate 260 is welded and fixed on the lattice column 110 and fixedly installed on the top end of the bottom plate structure 300, and the installation and the arrangement of the support steel pipe 210 can be facilitated by arranging the lower plate 260; the plurality of support steel pipes 210 are sequentially arranged along a first horizontal direction and a second horizontal direction, wherein the first horizontal direction and the second horizontal direction are mutually perpendicular, the plurality of transverse steel pipes 220 and the plurality of support steel pipes 210 are mutually bound and mutually welded, the plurality of longitudinal steel pipes 230 and the plurality of transverse steel pipes 220 and the plurality of support steel pipes 210 are mutually bound and mutually welded, so that stability of the support structure 200 can be improved, the first template 250 is placed on the first square lumber 270, and the contact area between the support structure 200 and the bottom plate structure 300 can be increased by arranging the lower plate 260; wherein the length direction of the transverse steel pipe 220 is a first horizontal direction, and the length direction of the longitudinal steel pipe 230 is a second horizontal direction; the base rebar structure 520 and the concrete 550 on the first form 250 can be supported by the support structure 200.
Referring to fig. 2, in some embodiments of the present invention, S500, binding steel bars 510 to lattice columns 110 to form a base steel bar structure 520, and installing the base steel bar structure 520 above a support section steel 400; the method comprises the following steps:
binding the reinforcement bars 510 to the lattice columns 110 to form a base reinforcement structure 520;
a plurality of second templates 530 are erected on the first template 250, the plurality of second templates 530 are wrapped around the support section steel 400, the foundation rebar structure 520, and the tower foundation section 410, and the plurality of second templates 530 are connected end-to-end.
Through setting up second template 530 on first template 250 to make second template 530 set up around support shaped steel 400, foundation rebar structure 520 and tower crane foundation festival 410, with can pour concrete 550 in the space that first template 250 and second template 530 enclose and form, reduce the degree of difficulty that concrete 550 formed tower crane foundation 500, and can avoid concrete 550 to leak from between the second template 530, concrete 550 of pouring wraps up support shaped steel 400, foundation rebar structure 520 and tower crane foundation festival 410 wherein, in order to form tower crane foundation 500, can support the tower crane through tower crane foundation 500.
Referring to fig. 2, in some embodiments of the invention, the following steps are included: a plurality of second square lumber 540 is cubes on the first template 250, the plurality of second square lumber 540 is wrapped around the second template 530, and the plurality of second square lumber 540 is joined end-to-end.
The second formwork 530 can be surrounded by the plurality of second square timber 540, so that the second formwork 530 can be protected, the stability of the second formwork 530 on the first formwork 250 is improved, and the second formwork 530 is prevented from being pushed down by the concrete 550 in the process of pouring the concrete 550.
Referring to fig. 2 and 3, in some embodiments of the present invention, S100, installing a base plate structure 300 on lattice columns 110 of a plurality of foundation pit support piles 100, comprises the steps of:
welding the cushion layer 310 to the water stop steel plate on the lattice column 110;
a plurality of water-stop steel plates 320 are vertically placed on the cushion layer 310, and the water-stop steel plates 320 are welded with each other end to end in sequence;
concrete 550 is poured onto mat layer 310 to form floor structure 300.
Can conveniently bear concrete 550 through setting up bed course 310, mutual welding of head and tail in proper order through stagnant water steel sheet 320 to can pour concrete 550 on bed course 310, and pour between a plurality of stagnant water steel sheets 320 and bed course 310, can avoid concrete 550 on the backing plate to leak through setting up stagnant water steel sheet 320, and stagnant water steel sheet 320 can reduce the exchange volume of liquid between concrete 550 and external.
Referring to fig. 1 and 2, in some embodiments of the present invention, the "casting concrete 550 on the mat layer 310 to form the floor structure 300" has been preceded by the steps of obliquely placing the plurality of diagonal brace steel pipes 240, installing one end of the diagonal brace steel pipes 240 on the second square lumber 540, and placing the other end of the diagonal brace steel pipes 240 between the plurality of water stop steel plates 320.
One end of the diagonal bracing steel pipe 240 is placed at a position between the plurality of water stop steel plates 320 so that after the concrete 550 is poured and cured, the concrete 550 can fix the diagonal bracing steel pipe 240 in the concrete 550, and one end of the diagonal bracing steel pipe 240 is connected with the second square timber 540 so as to be able to support the position of the second square timber 540, so that stability of the second square timber 540 can be further provided.
Referring to fig. 1, in some embodiments of the present invention, S400, welding a support section steel 400 to a lattice column 110, and installing the support section steel 400 above a first formwork 250, welding a tower foundation section 410 to the support section steel 400; the method comprises the following steps:
welding a plurality of support section bars 400 to the lattice columns 110;
welding a plurality of support angle steel 420 on the lattice column 110, and welding the support angle steel 420 on the bottom end of the support section steel 400;
welding a conversion steel plate 430 to the top end of the support section steel 400;
tower foundation section 410 is welded to transition steel plate 430.
The support angle steel 420 is fixedly welded on the lattice columns 110, so that the position of the support section steel 400 can be fixed through the support angle steel 420, the support section steel 400 is welded and fixed between the lattice columns 110, the conversion steel plate 430 can be conveniently installed, the tower crane foundation section 410 can be welded on the conversion steel plate 430, and the tower crane can be conveniently installed after the tower crane foundation section 410 is installed.
In some embodiments of the present invention, "S100, mounting the floor structure 300 on the lattice columns 110 of the plurality of foundation pit support piles 100" further comprises the following steps:
a plurality of foundation pit support piles 100 are installed in the foundation pit at intervals, and a plurality of lattice columns 110 are installed one by one in the foundation pit support piles 100.
The lattice columns 110 are fixedly installed by arranging a plurality of foundation pit supporting piles 100 in the foundation pit, so that the number of the lattice columns 110 is increased to adapt to a larger substrate structure with occupied area and the tower crane foundation 500; the height of the upper end of the lattice column 110 is the same as the height of the tower crane foundation 500.
The method also comprises the following steps: and locally pouring the bottom plate, wherein the local bottom plate outside the range of the tower crane foundation is poured, and a water stop steel plate is required to be pre-buried before the bottom plate is poured. Preferably slightly larger than the tower crane foundation, is convenient for supporting, and the area of the bottom plate can be smaller than the area of the bearing platform if the condition of the site is not allowed or the soil is good.
Referring to fig. 1 to 4, a tower crane foundation structure according to a second aspect of the present invention includes lattice columns 110, a floor structure 300, a supporting structure 200, a foundation reinforcement structure 520, and a concrete structure; the lattice columns 110 are arranged in a plurality of and spaced arrangement; the plurality of lattice columns 110 are disposed in the same direction in the length direction; the base plate structure 300 is connected to the lattice columns 110; the support structure 200 is disposed on top of the base plate; the foundation reinforcement structure 520 is connected with the lattice column 110 and is disposed at the top end of the support structure 200; the concrete structure is disposed at the base rebar structure 520.
The tower crane foundation structure can be constructed according to the method for arranging a tower crane foundation of the above-described first aspect embodiment, by installing the floor structure 300 on the lattice column 110 of the foundation pit support pile 100, so that the support steel pipes 210 can be installed at the top end of the floor structure 300, and the plurality of support steel pipes 210 can be bound to each other through the plurality of transverse steel pipes 220 and the plurality of longitudinal steel pipes 230, so that the position of the support structure 200 can be fixed, installing the first formwork 250 on the support structure 200, binding the steel bars 510 on the lattice column 110 above the first formwork 250, so that the foundation reinforcement structure 520 can be formed, and welding the support section steel 400 on the lattice column 110 above the first formwork 250, so that the tower crane foundation section 410 is welded on the support section steel 400, casting the concrete 550 on the first formwork 250, so that the tower crane foundation section 410 and the foundation reinforcement structure 520 can be covered by the concrete 550, after the concrete 550 is cured, the tower crane foundation 500 can be formed, and the stability of the tower crane foundation 500 can be improved through the tower crane foundation section 410 and the foundation reinforcement structure 520; according to the method for arranging the tower crane foundation, the bottom plate structure 300 can be firstly installed on the lattice column 110 so as to be capable of bearing the supporting structure 200 through the bottom plate structure 300, then the first template 250 is installed at the top end of the supporting structure 200 so as to be capable of bearing the first template 250 through the supporting structure 200, then the foundation reinforcement structure 520 and the supporting section steel 400 are welded and installed, the concrete 550 is poured on the first template 250 so as to be capable of bearing the tower crane foundation 500 through the bottom plate structure 300 and the supporting structure 200, the stability of the tower crane foundation 500 is improved, the bottom plate structure 300 and the supporting structure 200 are firstly installed on the lattice column 110, then the tower crane foundation 500 is formed by pouring, the safety of pouring the concrete 550 is improved, and the lattice column 110 of the foundation pit supporting pile 100 can be fully utilized by the method for arranging the tower crane foundation, the construction cost is reduced, and the construction time is shortened; the concrete structure is used to carry a tower crane, and the foundation reinforcement structure 520 and the concrete structure can be supported by the base plate structure 300 and the support structure 200, so that the stability of the foundation reinforcement structure 520 and the concrete structure can be improved, and the lattice columns 110 can be fully utilized.
Referring to fig. 2 and 3, in some embodiments of the present invention, the cross-sectional area of the floor structure 300 is greater than the cross-sectional area of the concrete structure to improve the stability of the floor structure 300 supporting the concrete structure through the support structure 200.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A method of arranging a tower crane foundation, comprising the steps of:
mounting the floor structure (300) on lattice columns (110) of a plurality of foundation pit support piles (100);
installing a plurality of support steel pipes (210) on the base plate structure (300), binding a plurality of transverse steel pipes (220) and a plurality of longitudinal steel pipes (230) on the plurality of support steel pipes (210) to form a support structure (200);
mounting a first template (250) on top of the support structure (200);
welding the support profile steel (400) on the lattice column (110), installing the support profile steel (400) above the first template (250), and welding the tower crane foundation section (410) on the support profile steel (400);
binding the steel bars (510) on the lattice columns (110) to form a basic steel bar structure (520), and installing the basic steel bar structure (520) above the support section steel (400);
concrete (550) is poured at the first formwork (250), tower foundation sections (410) and foundation rebar structures (520) to form a tower foundation (500).
2. The method of arranging a tower foundation according to claim 1, wherein a plurality of support steel pipes (210) are mounted on the floor structure (300), and a plurality of transverse steel pipes (220) and a plurality of longitudinal steel pipes (230) are lashed on the plurality of support steel pipes (210) to form the support structure (200);
the method comprises the following steps:
mounting a lower plate (260) on top of the base plate structure (300);
arranging and installing a plurality of support steel pipes (210) at the top end of a lower plate (260);
binding a plurality of transverse steel pipes (220) and a plurality of support steel pipes (210) with each other;
binding a plurality of longitudinal steel pipes (230) with a plurality of transverse steel pipes (220) and a plurality of support steel pipes (210) with each other;
placing a first party (270) on top of the plurality of support steel pipes (210);
a first template (250) is placed on a first square log (270).
3. A method of arranging a tower foundation according to claim 2, wherein the steel reinforcement (510) is lashed to the lattice columns (110) to form a basic steel reinforcement structure (520), and the basic steel reinforcement structure (520) is mounted above the supporting profile steel (400);
the method comprises the following steps:
binding the rebar (510) to the lattice column (110) to form a base rebar structure (520);
a plurality of second templates (530) are erected on the first template (250), the plurality of second templates (530) are wrapped around the support section steel (400), the foundation rebar structure (520) and the tower crane foundation section (410), and the plurality of second templates (530) are connected end to end.
4. A method of arranging a tower foundation according to claim 3, further comprising the steps of:
a plurality of second square lumber (540) is cubes on the first template (250), the plurality of second square lumber (540) is wrapped around the second template (530), and the plurality of second square lumber (540) is joined end-to-end.
5. A method of arranging a tower foundation according to claim 4, wherein the mounting of the floor structure (300) on the lattice columns (110) of the plurality of foundation pit support piles (100) comprises the steps of:
welding the cushion layer (310) on a water stopping steel plate on the lattice column (110);
a plurality of water-stop steel plates (320) are vertically arranged on the cushion layer (310), and the water-stop steel plates (320) are welded with each other end to end in sequence;
concrete (550) is poured onto the underlayment (310) to form the floor structure (300).
6. A method of arranging a tower foundation according to claim 5, characterised in that "casting concrete (550) on the bedding (310) to form the floor structure (300)", further comprising the steps of:
a plurality of diagonal-bracing steel pipes (240) are placed obliquely, one end of each diagonal-bracing steel pipe (240) is mounted on a second square log (540), and the other end of each diagonal-bracing steel pipe (240) is placed between a plurality of water-stop steel plates (320).
7. A method of arranging a tower foundation according to claim 1, wherein the support profile (400) is welded to the lattice columns (110) and the support profile (400) is mounted above the first formwork (250), and the tower foundation section (410) is welded to the support profile (400);
the method comprises the following steps:
welding a plurality of support section steel (400) to the lattice column (110);
welding a plurality of support angle steels (420) on the lattice columns (110), and welding the support angle steels (420) on the bottom ends of the support section steels (400);
welding a conversion steel plate (430) on the top end of the support section steel (400);
the tower crane foundation section (410) is welded to the transition steel plate (430).
8. A method of arranging a tower foundation according to claim 1, characterised in that the mounting of the floor structure (300) on the lattice columns (110) of the foundation pit support piles (100) is preceded by the steps of:
and a plurality of foundation pit supporting piles (100) are installed in the foundation pit at intervals, and a plurality of lattice columns (110) are installed on the foundation pit supporting piles (100) one by one.
9. A method of arranging a tower foundation according to claim 1, further comprising the steps of: and locally pouring the bottom plate, wherein the local bottom plate outside the range of the tower crane foundation is poured, and a water stop steel plate is required to be pre-buried before the bottom plate is poured.
10. Tower crane foundation structure, its characterized in that includes:
the lattice columns (110) are arranged in a plurality of and spaced arrangement mode; the length directions of the lattice columns (110) are arranged in the same direction;
-a base plate structure (300) connected to the lattice columns (110);
a support structure (200) disposed on top of the base plate;
a foundation reinforcement structure (520) connected to the lattice column (110) and disposed at the top end of the support structure (200);
the concrete structure is arranged at the foundation reinforcement structure (520);
wherein the cross-sectional area of the floor structure (300) is larger than the cross-sectional area of the concrete structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311258974.5A CN117127643A (en) | 2023-09-21 | 2023-09-21 | Method for arranging tower crane foundation and tower crane foundation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311258974.5A CN117127643A (en) | 2023-09-21 | 2023-09-21 | Method for arranging tower crane foundation and tower crane foundation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117127643A true CN117127643A (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311258974.5A Pending CN117127643A (en) | 2023-09-21 | 2023-09-21 | Method for arranging tower crane foundation and tower crane foundation structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN117127643A (en) |
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2023
- 2023-09-21 CN CN202311258974.5A patent/CN117127643A/en active Pending
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