CN105484285A - Spliced steel pipe concrete column type high bearing platform tower crane foundation structure and construction method - Google Patents

Spliced steel pipe concrete column type high bearing platform tower crane foundation structure and construction method Download PDF

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Publication number
CN105484285A
CN105484285A CN201510852783.0A CN201510852783A CN105484285A CN 105484285 A CN105484285 A CN 105484285A CN 201510852783 A CN201510852783 A CN 201510852783A CN 105484285 A CN105484285 A CN 105484285A
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CN
China
Prior art keywords
short string
steel pipe
crane
foundation
cushion cap
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CN201510852783.0A
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Chinese (zh)
Inventor
孔大平
郑涛
黄菊华
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中国一冶集团有限公司
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Application filed by 中国一冶集团有限公司 filed Critical 中国一冶集团有限公司
Priority to CN201510852783.0A priority Critical patent/CN105484285A/en
Publication of CN105484285A publication Critical patent/CN105484285A/en

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/44Foundations for machines, engines or ordnance

Abstract

The invention provides a spliced steel pipe concrete column type high bearing platform tower crane foundation structure and a construction method to mainly achieve the purpose of foundation structure form design and a construction method of a high bearing platform tower crane of penetrating basement and annex structure floor vertical transporting equipment for a high-rise and super high-rise building. The structure is mainly characterized in that the high bearing platform tower crane foundation structure is composed of four steel pipe columns and column bracings; each steel pipe column is formed by splicing a plurality of short pipe columns through connecting flanges, the short pipe columns are provided with anti-shearing anchor tenons and mortises, concrete or reinforced concrete can be poured in the short pipe columns according to the load situation of the foundation structure, and the short pipe columns are divided into the standard joint short pipe columns, the bottom short pipe columns and the top short pipe columns. The four steel pipe columns are anchored to pouring piles in the same vertical axis respectively, and the stable high bearing platform tower crane foundation structure is formed. The foundation structure is repeatedly and circularly used, transporting is convenient, and cost is saved. Constructing, mounting and dismounting are convenient, and the installing speed and flexibility are improved.

Description

A kind of steel-pipe assembly concrete pillar height cushion cap tower-crane foundation structure and construction method
Technical field
The present invention relates in building engineering construction, pass through basement and podium structure floor vertical transport equipment height cushion cap tower-crane foundation structure form design and construction method for executive information systems, especially relate to a kind of assembled concrete short tube pillar height cushion cap tower-crane foundation structure and construction method.
Background technology
In modern construction engineering high level or Super High construction, the vertical transport of constructional materials is completed by construction tower crane substantially, particularly large-sized multiple layer underground and annex are designed with the building of high building or many high buildings, the arrangement of tower crane and the design of the tower crane impact on the utilization of later stage tower crane, safe and effective operation, Construction Cost, building periphery and underground environment will play vital effect.
Summary of the invention
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of steel-pipe assembly concrete pillar height cushion cap tower-crane foundation structure, it is characterized in that, comprise high cushion cap tower crane, top short string, standard knot short string, column braces, bottom short string, plan to build building structure sole plate and castinplace pile forms a stable structure jointly, to support the tower crane of more than high cushion cap foundation;
Four steel core concrete columns that described high cushion cap tower-crane foundation structure comprises top short string, standard knot short string, bottom short string form jointly; And the support structure of column braces composition, bottom short string partially passes through to be planned to build building structure sole plate and is anchored in castinplace pile, and the two ends of short string arrange the recessed and shearing resistance anchor tenon of tenon respectively, adopt steel flange and bolt to connect between each joint short string; Top short string should effectively be anchored in high cushion cap tower crane, and bottom short string partially passes through to be planned to build building structure sole plate and be anchored in castinplace pile;
Short string comprises: top short string, standard knot short string, bottom short string; Short string adopts hot finished steel pipe or pipe crimping to make; The end of top short string, standard knot short string, bottom short string and flange adopt and are welded to connect, and outer wall of steel pipe welds stiffener with flange connections, effectively to transmit the concentrated stress of short string end.
Recessed and the shearing resistance anchor tenon of tenon adopts spigot-and-socket doughnut tenon structure, makes structure carry out having in horizontal plane when socket joint connects the adjustability of 360 degree, makes to adopt steel flange and bolt to connect unrestricted between single short string.
The invention solve following problems:
1, solve tower crane when arranging within the scope of basement or annex, tower body through-flooring, reduces the impact on building foundation base arrangement.
2, bottom short string upper end and standard knot short string adopt flange in conjunction with the feather joint of spigot-and-socket shearing resistance anchor, when tower-crane foundation structure is removed, it is convenient that the standard knot short string of bottom short string in top is removed, and bottom short string is directly embedded in building foundation base plate, decrease the impact on building foundation base arrangement and environment;
3, for support high cushion cap tower-crane foundation structure steel pipe column by shaping, scale prefabricated short steel pipes concrete (or steel concrete) post forms, and can repeat turnover and use, convenient transportation, cost-saving; Short string adopts flange and bolt to connect, and construction and installation, dismounting are conveniently;
4, after the using function of tower crane completes, the installation hole reparation reserve building structure sole plate and the waterproof hidden danger of this place's structure base slab of building provide good solution;
5, adopt anchor tenon spigot-and-socket Flange joint, solve the long construction period of tower crane, and high cushion cap tower-crane foundation structure stability under loading and potential safety hazard.
6, adopt spigot-and-socket doughnut tenon structure, make structure carry out having in horizontal plane when socket joint connects the adjustability of 360 degree, improve speed and the flexibility of installation.
At above-mentioned a kind of steel-pipe assembly concrete pillar height cushion cap tower-crane foundation structure, the connection of short string internode is except employing steel flange and bolt connect, its two ends also should arrange the recessed and shearing resistance anchor tenon of tenon respectively and adopt the feather joint of spigot-and-socket anchor, and four steel pipe columns vertical between column braces acting in conjunction, to get single post and overall structure opposing is cut, the effect of torsional stress, ensure that this structure has enough stability.
At above-mentioned a kind of steel-pipe assembly concrete pillar height cushion cap tower-crane foundation structure, short string comprises: top short string, standard knot short string, bottom short string; Short string adopts hot finished steel pipe or pipe crimping to make; The outer wall of steel pipe of top short string, standard knot short string, bottom short string and flange adopt and are welded to connect, and outer wall of steel pipe welds stiffener with flange connections, effectively to transmit the concentrated stress of short string end.
At above-mentioned a kind of steel-pipe assembly concrete pillar height cushion cap tower-crane foundation structure, recessed and the shearing resistance anchor tenon of tenon adopts spigot-and-socket doughnut tenon structure, make structure carry out having in horizontal plane when socket joint connects the adjustability of 360 degree, make between single short string, to adopt steel flange and bolt to connect unrestricted.
A construction method for steel-pipe assembly concrete pillar height cushion cap tower-crane foundation structure, is characterized in that, comprising:
Step 1, before excavation of foundation pit, by construction planar design layout and foundation design of tower crane requirements location, construction castinplace pile, and it is high to control a top mark well by designing requirement, guarantee filling pile construction quality;
Step 2, before cast-in-place pile concrete initial set, adopt crane on ground, short string is assembled into single steel pipe column, see appendix short string scheme of installation; Erection sequence and flow process are:
Step 2.1, utilize crane sling bottom short string, described bottom short string is the steel concrete steel pipe column that lower end has anchor bar, be placed on the interim stand on priming concrete pile hole, interim stand should have enough support stiffness according to the weight of single steel pipe column, and adjusts its top planes levelness;
Step 2.2, crane is utilized to sling first segment standard knot short string, with bolts with the bottom short string on interim stand;
Step 2.3, utilize crane to sling the above-mentioned steel pipe column connected, remove interim stand, the above-mentioned steel pipe column lifting connected is inserted in stake holes;
Step 2.4, utilize crane standard knot short string with bolts successively, make it the standard knot length reaching design; Controlled the length of single steel pipe column by the connection of standard knot short string by designing requirement, check and adjust its verticality;
Step 2.5, again utilize interim stand to fix assembled good steel pipe column, unclamp hoist lifting hook, utilize crane lifting top short string, during lifting, the shearing resistance anchor tenon of top short string should in lower end;
Step 2.6, the steel pipe column of top short string with interim stand to be connected, to check and adjust its verticality;
After step 2.7, the entire length finally checking single post and verticality, crane lifting is utilized to insert in castinplace pile, to check during insertion and control the anchorage length of steel pipe column and castinplace pile well, and the elevation of top of assembled good its top short string of single steel pipe column, make it anchor into and meet designing requirement with the length of high cushion cap tower crane;
Step 3, repeat step 2, install four above-mentioned steel pipe columns successively, and check, check four mutual sizes of steel pipe column center line, make it meet cushion cap foundation designing requirement;
The high cushion cap tower crane at step 4, construction four steel pipe column tops;
Step 5, engineering construction foundation ditch cut the earth process in, weld column braces in time, until complete this structure construction;
Step 6, use at tower crane and in running, socket joint is monitored in conjunction with the displacement of flange assembled concrete short tube pillar height cushion cap tower-crane foundation structure and stability;
Therefore, tool of the present invention has the following advantages: 1, for support high cushion cap tower-crane foundation structure steel pipe column by shaping, scale precast concrete (or steel concrete) short string forms, and can repeat turnover and use, convenient transportation, cost-saving; 2, short string adopts flange and bolt to connect, and construction and installation, dismounting are conveniently; 3, the connection between short string have employed the connected mode of shearing resistance anchor tenon, is highly resistant to the overall tower-crane foundation structure junction shear stress that the shear stress of single post junction and tower crane are in use formed by driving torque, ensures the stability of structure; 4, the junction of flange and steel pipe arranges stiffener, can effectively transmit joint concentrated stress, the safety of high cushion cap tower-crane foundation structure; 5, adopt spigot-and-socket doughnut tenon structure, make structure carry out having in horizontal plane when socket joint connects the adjustability of 360 degree, improve speed and the flexibility of installation.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of one of the present invention.
Fig. 2 a is the structure for amplifying schematic diagram (before not being connected and fixed) of A Nodes in Fig. 1.
Fig. 2 b is the structure for amplifying schematic diagram (after being connected and fixed) of A Nodes in Fig. 1.
Fig. 3 is the structural representation of short string in the present invention.
Fig. 4 is the short string scheme of installation of the present invention when constructing.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
One, first introduce primary structure of the present invention: the present invention is made up of high cushion cap tower crane, four steel pipe columns and column braces, and every root steel pipe column is assembled by many prefabricated short strings.See appendix foundation structure figure.Namely this foundation structure by high cushion cap tower crane 1, top short string 2, standard knot short string 3, column braces 4, bottom short string 5, plan to build building structure sole plate 6 and castinplace pile 7 forms a stable structure jointly, to support the tower crane of more than high cushion cap foundation;
Wherein foundation structure comprises: four steel pipe columns that high cushion cap tower crane 1 is made up of jointly top short string 2, standard knot short string 3, bottom short string 5 and the support structure that column braces 4 forms, bottom short string 5 partially passes through to be planned to build building structure sole plate 6 and is anchored in castinplace pile 7, the two ends of short string arrange tenon recessed 11 and shearing resistance anchor tenon 12 respectively, adopt steel flange 8 and bolt 9 to connect between each joint short string; This foundation structure top short string 2 should effectively be anchored in high cushion cap tower crane 1, and bottom short string 5 partially passes through to be planned to build building structure sole plate 6 and be anchored in castinplace pile 7; Tenon recessed 11 and shearing resistance anchor tenon 12 adopt spigot-and-socket doughnut tenon structure, make structure carry out having in horizontal plane when socket joint connects the adjustability of 360 degree, make to adopt steel flange 8 and bolt 9 to connect unrestricted between single short string.
Short string is divided into top short string 2, standard knot short string 3, bottom short string 5.Short steel pipes 3a can adopt hot finished steel pipe or pipe crimping to make, and its diameter and wall thickness can be determined as calculated according to tower crane and the overall load of tower crane.According to foundation structure load situation can in short string concrete perfusion or steel concrete, with the needs of satisfied different load form tower-crane foundation structure, the connection of short string internode is except employing steel flange 8 and bolt 9 connect, its two ends also should arrange tenon recessed 11 respectively and shearing resistance anchor tenon 12 adopts the feather joint of spigot-and-socket anchor, and four steel pipe columns vertical between column braces 4 acting in conjunction, to get single post and overall structure opposing is cut, the effect of torsional stress, ensure that this structure has enough stability; The outer wall of steel pipe of top short string 2, standard knot short string 3, bottom short string 5 and flange 8 adopt and are welded to connect, and outer wall of steel pipe welds stiffener 10 with flange 8 junction, effectively to transmit the concentrated stress of short string end.
Two, below, introduce the construction method of foundation structure involved in the present invention, mainly comprise:
Step 1, before excavation of foundation pit, by construction planar design layout and foundation design of tower crane requirements location, construction castinplace pile 7, and it is high to control a top mark well by designing requirement, guarantee filling pile construction quality;
Step 2, before castinplace pile 7 concrete initial set, adopt crane on ground, short string is assembled into single steel pipe column, see appendix erection of steel pipe column schematic diagram; Erection sequence and flow process are:
Step 2.1, utilize crane 13 sling bottom short string 5, described bottom short string 5 has the reinforced concrete post of anchor bar 15 for lower end, be placed on the interim stand 14 on priming concrete pile hole, interim stand 14 should have enough support stiffness according to the weight of single steel pipe column, and adjusts its top planes levelness;
Step 2.2, utilize crane 13 to sling and adopt bolt 9 connection standard joint short string 3 successively, making it the standard knot length reaching design; Controlled the length of single steel pipe column by the connection of standard knot short string 3 by designing requirement, check and adjust its verticality;
Step 2.3, bolt 9 is adopted to be connected with the bottom short string on interim stand 14 the standard knot short string connected;
Step 2.4, utilize crane to sling the above-mentioned steel pipe column connected, remove interim stand 14, the above-mentioned steel pipe column lifting connected is inserted in priming concrete pile hole 16;
Step 2.5, again utilize interim stand 14 to fix assembled good steel pipe column, unclamp hoist lifting hook, utilize crane lifting top short string 2, during lifting, the shearing resistance anchor tenon 12 of top short string 2 should in lower end;
Step 2.6, top short string 2 to be connected with the steel pipe column on interim stand 14, to check and adjust its verticality;
After step 2.7, the entire length finally checking single post and verticality, crane lifting is utilized to insert in castinplace pile 7, to check during insertion and control the anchorage length of steel pipe column and castinplace pile 7 well, and the elevation of top of assembled good its top short string 2 of single steel pipe column, make it anchor into and meet designing requirement with the length of high cushion cap tower crane 1;
Step 3, repeat step 2, install four above-mentioned steel pipe columns successively, and check, check four mutual sizes of steel pipe column center line, make it meet cushion cap foundation designing requirement;
The high cushion cap tower crane 1 at step 4, construction four steel pipe column tops;
In step 5, the process of cutting the earth at engineering construction foundation ditch, in time welding column braces 4, until complete this structure construction;
Step 6, use at tower crane and in running, socket joint is monitored in conjunction with the displacement of flange assembled concrete short tube pillar height cushion cap tower-crane foundation structure and stability.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.

Claims (5)

1. a steel-pipe assembly concrete pillar height cushion cap tower-crane foundation structure, it is characterized in that, comprise high cushion cap tower crane (1), top short string (2), standard knot short string (3), column braces (4), bottom short string (5), plan to build building structure sole plate (6) and castinplace pile (7) formation one stable structure jointly, to support the tower crane of more than high cushion cap foundation;
Described high cushion cap tower-crane foundation structure (1) comprises four steel pipe columns of top short string (2), standard knot short string (3), the common composition of bottom short string (5); And the support structure that column braces (4) forms, bottom short string (5) partially passes through plans to build building structure sole plate (6) and is anchored in castinplace pile (7), the two ends of short string arrange tenon recessed (11) and shearing resistance anchor tenon (12) respectively, adopt steel flange (8) and bolt (9) to connect between each joint short string; Top short string (2) should effectively be anchored in high cushion cap tower crane (1), and bottom short string (5) partially passes through to be planned to build building structure sole plate (6) and be anchored in castinplace pile (7).
2. a kind of steel-pipe assembly concrete pillar height cushion cap tower-crane foundation structure according to claim 1, it is characterized in that, the connection of short string internode is except employing steel flange (8) and bolt (9) connect, its two ends also should arrange tenon recessed (11) respectively and shearing resistance anchor tenon (12) adopts the feather joint of spigot-and-socket anchor, and four steel pipe columns vertical between column braces (4) acting in conjunction, to get single post and overall structure opposing is cut, the effect of torsional stress, ensure that this structure has enough stability.
3. a kind of steel-pipe assembly concrete pillar height cushion cap tower-crane foundation structure according to claim 1, it is characterized in that, short string comprises: top short string (2), standard knot short string (3), bottom short string (5); Short string (3a) adopts hot finished steel pipe or pipe crimping; The end wall of top short string (2), standard knot short string (3), bottom short string (5) and flange (8) adopt and are welded to connect, and outer wall of steel pipe welds stiffener (10) with flange (8) junction, effectively to transmit the concentrated stress of short string end.
4. a kind of steel-pipe assembly concrete pillar height cushion cap tower-crane foundation structure according to claim 1, it is characterized in that, tenon recessed (11) and shearing resistance anchor tenon (12) adopt spigot-and-socket doughnut tenon structure, make structure carry out having in horizontal plane when socket joint connects the adjustability of 360 degree, make between single short string, to adopt steel flange (8) and bolt (9) to connect unrestricted.
5. a construction method for steel-pipe assembly concrete pillar height cushion cap tower-crane foundation structure, is characterized in that, comprising:
Step 1, before excavation of foundation pit, by construction planar design layout and foundation design of tower crane requirements location, construction castinplace pile (7), and it is high to control a top mark well by designing requirement, guarantee filling pile construction quality;
Step 2, before castinplace pile (7) concrete initial set, adopt crane on ground, short string is assembled into single steel pipe column, see appendix erection of steel pipe column schematic diagram; Erection sequence and flow process are:
Step 2.1, utilize crane (13) sling bottom short string (5), described bottom short string (5) has the reinforced concrete post of anchor bar (15) for lower end, be placed on the interim stand (14) on priming concrete pile hole, interim stand (14) should have enough support stiffness according to the weight of single steel pipe column, and adjusts its top planes levelness;
Step 2.2, utilize crane (13) to sling and adopt successively bolt (9) connection standard save short string (3), make it the standard knot length reaching design; Controlled the length of single steel pipe column by the connection of standard knot short string (3) by designing requirement, check and adjust its verticality;
Step 2.3, bolt (9) is adopted to be connected the standard knot short string connected and the bottom short string on interim stand (14);
Step 2.4, utilize crane to sling the above-mentioned steel pipe column connected, remove interim stand (14), the above-mentioned steel pipe column lifting connected is inserted in priming concrete pile hole (16);
Step 2.5, again utilize interim stand (14) to fix assembled good steel pipe column, unclamp hoist lifting hook, utilize crane lifting top short string (2), during lifting, the shearing resistance anchor tenon (12) of top short string (2) should in lower end;
Step 2.6, the steel pipe column of top short string (2) with interim stand (14) to be connected, to check and adjust its verticality;
After step 2.7, the entire length finally checking single post and verticality, crane lifting is utilized to insert in castinplace pile (7), to check during insertion and control the anchorage length of steel pipe column and castinplace pile (7) well, and the elevation of top of assembled its top short string (2) of good single steel pipe column, make it anchor into and meet designing requirement with the length of high cushion cap tower crane (1);
Step 3, repeat step 2, install four above-mentioned steel pipe columns successively, and check, check four mutual sizes of steel pipe column center line, make it meet cushion cap foundation designing requirement;
The high cushion cap tower crane (1) at step 4, construction four steel pipe column tops;
Step 5, engineering construction foundation ditch cut the earth process in, weld column braces (4) in time, until complete this structure construction;
Step 6, use at tower crane and in running, socket joint is monitored in conjunction with the displacement of flange assembled concrete short tube pillar height cushion cap tower-crane foundation structure and stability.
CN201510852783.0A 2015-11-27 2015-11-27 Spliced steel pipe concrete column type high bearing platform tower crane foundation structure and construction method CN105484285A (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN106193102A (en) * 2016-08-18 2016-12-07 上海二十冶建设有限公司 A kind of tower crane relay handling Shelf device
CN106193089A (en) * 2016-07-12 2016-12-07 中交第三航务工程局有限公司 A kind of installation method of off-lying sea blower foundation ring
CN106480899A (en) * 2016-09-12 2017-03-08 安徽华电工程咨询设计有限公司 A kind of full landform self-balancing column foot attachment structure
CN110820583A (en) * 2019-11-21 2020-02-21 中国建筑第八工程局有限公司 Cast-in-place box girder support heightening foundation and construction method thereof
CN110904986A (en) * 2019-10-28 2020-03-24 国网福建省电力有限公司 Precast pile-bearing platform assembly type foundation tenon type flange connection structure and construction method
RU197237U1 (en) * 2020-02-03 2020-04-14 Николай Валентинович МЕДВЕДЕВ Foundation anchor fastening of the tower crane

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CN103132537A (en) * 2013-02-04 2013-06-05 中天建设集团有限公司 Steel latticed column homocentric-square-shaped concrete bearing platform combination type tower crane base structure and construction method
CN104164889A (en) * 2013-05-16 2014-11-26 江苏省苏中建设集团股份有限公司 Demountable tower crane foundation
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Publication number Priority date Publication date Assignee Title
CN106193089A (en) * 2016-07-12 2016-12-07 中交第三航务工程局有限公司 A kind of installation method of off-lying sea blower foundation ring
CN106193089B (en) * 2016-07-12 2018-04-17 中交第三航务工程局有限公司 A kind of installation method of off-lying sea blower foundation ring
CN106193102A (en) * 2016-08-18 2016-12-07 上海二十冶建设有限公司 A kind of tower crane relay handling Shelf device
CN106193102B (en) * 2016-08-18 2018-04-17 上海二十冶建设有限公司 A kind of tower crane relay handling Shelf device
CN106480899A (en) * 2016-09-12 2017-03-08 安徽华电工程咨询设计有限公司 A kind of full landform self-balancing column foot attachment structure
CN110904986A (en) * 2019-10-28 2020-03-24 国网福建省电力有限公司 Precast pile-bearing platform assembly type foundation tenon type flange connection structure and construction method
CN110820583A (en) * 2019-11-21 2020-02-21 中国建筑第八工程局有限公司 Cast-in-place box girder support heightening foundation and construction method thereof
RU197237U1 (en) * 2020-02-03 2020-04-14 Николай Валентинович МЕДВЕДЕВ Foundation anchor fastening of the tower crane

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Application publication date: 20160413