CN202989945U - Steel and concrete mixed assembly type tower footing - Google Patents
Steel and concrete mixed assembly type tower footing Download PDFInfo
- Publication number
- CN202989945U CN202989945U CN 201220739875 CN201220739875U CN202989945U CN 202989945 U CN202989945 U CN 202989945U CN 201220739875 CN201220739875 CN 201220739875 CN 201220739875 U CN201220739875 U CN 201220739875U CN 202989945 U CN202989945 U CN 202989945U
- Authority
- CN
- China
- Prior art keywords
- steel
- grade beam
- concrete
- inner cross
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model discloses a steel and concrete mixed assembly type tower footing. The steel and concrete mixed assembly type tower footing comprises an internal cross-shaped steel ground beam and an outline border reinforced concrete ground beam, wherein the internal cross-shaped steel ground beam is an I-shaped steel beam of which the width of the lower flange is greater than that of the upper flange; the outline border reinforced concrete ground beam has an inverted T-shaped cross section; and the ends of the outline border reinforced concrete ground beam are combined with the ends of the internal cross-shaped steel ground beam. The dead weight of the tower footing and the counter weight of filler are subjected to optimization combination, so that the antidumping capacity is greatly improved, and a requirement on earth bearing capacity is reduced; and meanwhile the generality is particularly high, the tower footing can be suitable for tower cranes of all of models by adopting counter weights with different weights and transforming pieces, and the tower footing can be used for a tower crane foundation with piles and can also be used for a tower crane foundation without piles.
Description
Technical field
The utility model relates to the realm of building construction, relates in particular to a kind of tower crane.
Background technology
The tradition tower crane is generally the cast-in-situ reinforced concrete basis, and working procedure is many, the built-in fitting required precision is high, and after the tower crane dismounting, column foot just becomes underground obstacle, and disposal cost is high.The Prefabricated reinforced concrete column foot has solved cast-in-situ reinforced concrete column foot existing problems substantially, but freight is high, trouble is installed, and after upsurge in construction, column foot will become the basic zero salvage value of building waste.The disclosed a kind of steel rood beam column foot of patent ZL200820136789.3, though reduce from heavy and light, transport cost, parts are many, filler counterweight construction trouble, and the overturning or slip resistance analysis uncertain factor is many, and cost is higher.A kind of problem that solves above-mentioned two kinds of assembling column foots existence, the steel that performance is more excellent and concrete hybrid precast formula column foot yet there are no report.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, the steel and the concrete hybrid precast formula column foot that provide a kind of easy construction and cost to economize.
A kind of steel and the concrete hybrid precast formula column foot that provide according to the utility model, comprise inner cross steel grade beam and housing steel bar concrete grade beam, described inner cross steel grade beam is that the bottom flange width is greater than the i section steel beam of top flange width, described housing steel bar concrete grade beam is the inverted T-shaped cross section, end and inner cross steel grade beam end connection.
A kind of steel and the concrete hybrid precast formula column foot that provide according to the utility model also have following attached technical characterictic:
Kept flat reinforced concrete slab in the space that described inner cross steel grade beam and housing steel bar concrete grade beam enclose, described reinforced concrete slab two ends are held on the bottom flange of described inner cross steel grade beam and steel bar concrete grade beam, are equipped with weight material on described reinforced concrete slab.
Described inner cross steel grade beam top flange is provided with tower crane bolt and connects through hole, and the bottom flange is provided with the through hole with stake top pre-embedded bolt connection.
Described inner cross steel ground web is provided with some vertical stiffening ribs at a certain distance, and bottom flange upper surface outside vertical is provided with longitudinal stiffener, is embedded with vertical steel strand master muscle in described housing steel bar concrete grade beam, and web and the edge of a wing all are embedded with stirrup.
Described steel bar concrete housing ground beam end is held on the bottom flange of inner cross steel grade beam, suitable for readingly is coated with L shaped steel deck-plate, and steel deck-plate and inner cross steel grade beam end bolt connect.
Described inner cross steel ground beam end is held on the end top of housing steel bar concrete grade beam, and housing steel bar concrete ground beam end is embedded with pre-embedded bolt, bolt and housing steel bar concrete grade beam end connection.
Beam end below, described inner cross steel ground is equipped with the steel bar concrete bearing plate.
Described inner cross steel grade beam is provided with two joints at least in the intersection, the joint is perpendicular to being welded with end plate, and end plate is provided with wears bolt hole, and end plate is provided with concavo-convex shearing resistance groove.
Be associated with bridgeware on described inner cross steel grade beam, the top flange bolted on connection of bridgeware bottom and housing steel bar concrete grade beam, top is provided with the connection steel plate in strap bolt hole, with the standard knot connection of bolt and tower crane.
The steel and the concrete hybrid precast formula column foot that provide according to the utility model compared with prior art have following advantage:
1, column foot deadweight and the optimum organization of filler counterweight, resistance to capsizing improves greatly, and earth bearing strength is required to reduce.
2, versatility is strong especially, can both can be used for having pile tower crane basic by the counterweight that adopts Different Weight and the tower crane that bridgeware is applicable to all models, also can be used for the tower crane without stake.
3, simple in structure, cost is low.
4, need not professional column foot erection staff, easy for installation, installation rate is fast.
5, residual value is high, and girder steel is recyclable, and the steel bar concrete grade beam can be used as the house foundation use.
6, deadweight is lighter, and cost of transportation is low, especially with the weight such as standard section of tower crane or tower crane arm are lighter but bulky parts mixed transportation does not additionally increase freight charges substantially.
Description of drawings
Fig. 1 is combining structure stereogram of the present utility model
Fig. 2 is the stereogram that another kind of the present utility model is shelved mode
Fig. 3 is inner cross steel grade beam sectional drawing of the present utility model
Fig. 4 is the joint drawing of inner cross steel grade beam of the present utility model
Fig. 5 is housing steel bar concrete grade beam sectional drawing of the present utility model
Fig. 6 is bridgeware stereogram of the present utility model
Fig. 7 is windrow counterweight mode sectional drawing of the present utility model
The specific embodiment
Referring to Fig. 1 to Fig. 5, a kind of steel and concrete hybrid precast formula column foot the utility model provides comprise inner cross steel grade beam 1 and housing steel bar concrete grade beam 2, and described inner cross steel grade beam 1 is that the bottom flange width is greater than the i section steel beam of top flange width.Described housing steel bar concrete grade beam 2 is the inverted T-shaped cross section, end and inner cross steel grade beam end connection.It is to connect conveniently in order to splice that inner cross steel grade beam 1 adopts girder steel, from heavy and light, and the bottom flange width can make steel grade beam and ground that larger contact surface is arranged greater than the top flange width, thereby minimizing soil pressure, and housing steel bar concrete grade beam 2 is as mainly bearing the member of soil pressure and counterweight, larger contact surface on ground, in the time of can preventing the least favorable overturning moment, ground local products in edge are given birth to and are destroyed, grade beam deadweight simultaneously and earthing weight can effectively be offset the overturning moment of tower crane, in addition, inverted T-beam is under the subgrade reaction effect, and Rigidity and strength is large, and stress performance is good.
Referring to Fig. 1, Fig. 6, in above-described embodiment that the utility model provides, described inner cross steel grade beam 1 has stacked at least one counterweight concrete piece 3 with the top of housing steel bar concrete grade beam 2 ends.Stack balancing weight above the inner cross steel grade beam of four jiaos 1 of column foot and housing steel bar concrete grade beam 2, for when grade beam deadweight and earthing (or sand) the counterweight deficiency, come balance overturning or slip resistance analysis moment with balancing weight, make column foot can satisfy the tower crane of different model, the various geological conditionss of simultaneous adaptation stressed.
Referring to Fig. 7, in above-described embodiment that the utility model provides, kept flat reinforced concrete slab 4 in the space that described inner cross steel grade beam 1 and housing steel bar concrete grade beam 2 enclose, reinforced concrete slab 4 two ends are held on the bottom flange of inner cross steel grade beam 1 and steel bar concrete grade beam 2, are equipped with the weight material such as sand or stone 5 on reinforced concrete slab.Described reinforced concrete slab 4 can be used as again the base plate of Cast-in-situ Piles in Sand-filling or stone counterweight material as balancing weight, and as weight material, the hauled weight that can reduce column foot reduces cost of transportation with the building site raw material.
Referring to Fig. 1, in above-described embodiment that the utility model provides, described inner cross steel grade beam 1 top flange is provided with and tower crane bolt connects through hole 11, and the bottom flange is provided with the through hole 12 that connects with stake top pre-embedded bolt.Box out on inner cross steel grade beam, can be easily fixing tower crane base and connecting with the upper pre-embedded bolt in stake top, make the column foot versatility stronger.
Referring to Fig. 1, Fig. 3, Fig. 5, in above-described embodiment that the utility model provides, described inner cross steel grade beam 1 web is provided with some vertical stiffening ribs 13 at a certain distance, and bottom flange upper surface outside vertical is provided with longitudinal stiffener 14.Be embedded with vertical steel strand master muscle 21 in described housing steel bar concrete grade beam 2, web and the edge of a wing all are embedded with stirrup 22.Establish vertical stiffening rib 13 on inner cross steel grade beam 1 web, the both stability of strengthening web, simultaneously again as the force transmitting board at bolted on connection place, and the longitudinal stiffener of bottom flange plays the effect of strengthening the bottom flange foolrstiffness, can resist moment of flexure together with the bottom flange again simultaneously.Housing steel bar concrete grade beam 2 muscle of being advocated adopts non-prestressed steel strand to be because tower crane is controlled not sternly to the concrete beam crack width as temporary structure, can save reinforcing bar.
Referring to Fig. 1, Fig. 6, in above-described embodiment that the utility model provides, described housing steel bar concrete grade beam 2 ends are held on the bottom flange of inner cross steel grade beam 1, suitable for readingly are coated with L shaped steel deck-plate 6, and steel deck-plate 6 connects with inner cross steel grade beam 1 end bolt.Insert in the elongated slot of inner cross steel grade beam 1 web housing steel bar concrete grade beam 2 ends, and L shaped steel deck-plate 6 sealings are housing steel bar concrete grade beam 2 fixedly, and housing steel bar concrete grade beam 2 and inner cross steel grade beam 1 are unified, and facilitates simultaneously balancing weight and weight material setting.
Referring to Fig. 2, in above-described embodiment that the utility model provides, inner cross steel grade beam 1 end is held on the top, end of housing steel bar concrete grade beam 2, and housing steel bar concrete grade beam 2 ends are embedded with pre-embedded bolt 23, bolt 23 and inner cross steel grade beam 1 end connection.Inner cross steel grade beam 1 is held on steel bar concrete housing steel bar concrete grade beam 2, is in order to make housing steel bar concrete grade beam 2 tops that thicker earthing counterweight be arranged, can to save the concrete balancing weight.
Referring to Fig. 1, in above-described embodiment that the utility model provides, described inner cross steel grade beam is equipped with steel bar concrete bearing plate 7 below 1 end.The excessive problem of soil pressure that the steel bar concrete bearing plate is column foot bight when preventing oblique overturning moment of laying is transferred in interior steel cross steel grade beam 1 end.
Referring to Fig. 1, Fig. 4, in above-described embodiment that the utility model provides, described inner cross steel grade beam 1 is provided with two joints at least in the intersection, and the joint is welded with end plate 15 perpendicular to beam, and end plate 15 is provided with wears bolt hole 16, and end plate is provided with concavo-convex shearing resistance groove 17.The cross girder steel of the present embodiment vertically is spliced in the intersection to girder steel at two sections by an elongated girder steel, the end plate of joint is established concavo-convex shearing resistance groove, in order to improve splicing place Shear strength of beam, joint adopts high-strength bolt to connect, and the tongue and groove of the mechanical snap of rubbing surface can guarantee that the shear strength of bonding surface does not reduce.
Referring to Fig. 1, Fig. 3, in above-described embodiment that the utility model provides, be associated with bridgeware 8 on described inner cross steel grade beam 1, the top flange bolted on connection of bridgeware bottom and inner cross steel grade beam 1, top is provided with the connection steel plate 81 in strap bolt hole, with the standard knot connection of bolt and tower crane.The bridgeware of different size can be supporting with various types of tower cranes, and the bridgeware bottom is standard bolt hole 82, and is corresponding with through hole on inner cross steel grade beam 1, realizes the coupling of dissimilar tower crane and same inner cross steel grade beam 1 with this.
Claims (10)
1. a steel and concrete hybrid precast formula column foot, comprise inner cross steel grade beam and housing steel bar concrete grade beam, it is characterized in that: described inner cross steel grade beam is that the bottom flange width is greater than the i section steel beam of top flange width, described housing steel bar concrete grade beam is the inverted T-shaped cross section, end and described inner cross steel grade beam end connection.
2. steel and concrete hybrid precast formula column foot as claimed in claim 1 is characterized in that the top of described inner cross steel grade beam and housing steel bar concrete ground beam end has stacked at least one counterweight concrete piece.
3. steel and concrete hybrid precast formula column foot as claimed in claim 1, it is characterized in that having kept flat reinforced concrete slab in space that described inner cross steel grade beam and housing steel bar concrete grade beam enclose, described reinforced concrete slab two ends are held on the bottom flange of described inner cross steel grade beam and steel bar concrete grade beam, are equipped with weight material on described reinforced concrete slab.
4. steel and concrete hybrid precast formula column foot as claimed in claim 1 is characterized in that described inner cross steel grade beam top flange is provided with and tower crane bolt connects through hole, and the bottom flange is provided with the through hole that connects with stake top pre-embedded bolt.
5. steel and concrete hybrid precast formula column foot as claimed in claim 1, it is characterized in that described inner cross steel ground web is provided with some vertical stiffening ribs at a certain distance, bottom flange upper surface outside vertical is provided with longitudinal stiffener, be embedded with vertical steel strand master muscle in described housing steel bar concrete grade beam, web and the edge of a wing all are embedded with stirrup.
6. steel and concrete hybrid precast formula column foot as claimed in claim 1 is characterized in that described steel bar concrete housing ground beam end is held on the bottom flange of inner cross steel grade beam, suitable for readingly are coated with L shaped steel deck-plate, and steel deck-plate and inner cross steel grade beam end bolt connect.
7. steel and concrete hybrid precast formula column foot as claimed in claim 1, it is characterized in that described inner cross steel ground beam end is held on the top, end of housing steel bar concrete grade beam, housing steel bar concrete ground beam end is embedded with pre-embedded bolt, bolt and housing steel bar concrete grade beam end connection.
8. steel and concrete hybrid precast formula column foot as claimed in claim 1, is characterized in that beam end below, described inner cross steel ground is equipped with the steel bar concrete bearing plate.
9. steel and concrete hybrid precast formula column foot as claimed in claim 1, is characterized in that described inner cross steel grade beam is provided with two joints at least in the intersection, and the joint is perpendicular to being welded with end plate, and end plate is provided with wears bolt hole, and end plate is provided with concavo-convex shearing resistance groove.
10. steel and concrete hybrid precast formula column foot as claimed in claim 1, it is characterized in that being associated with bridgeware on described inner cross steel grade beam, the top flange bolted on connection of bridgeware bottom and housing steel bar concrete grade beam, top are provided with the connection steel plate in strap bolt hole, with the standard knot connection of bolt and tower crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739875 CN202989945U (en) | 2012-12-28 | 2012-12-28 | Steel and concrete mixed assembly type tower footing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739875 CN202989945U (en) | 2012-12-28 | 2012-12-28 | Steel and concrete mixed assembly type tower footing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202989945U true CN202989945U (en) | 2013-06-12 |
Family
ID=48561139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220739875 Expired - Lifetime CN202989945U (en) | 2012-12-28 | 2012-12-28 | Steel and concrete mixed assembly type tower footing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202989945U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179883A (en) * | 2015-09-15 | 2015-12-23 | 蚌埠高科能源装备有限公司 | Base fixing part of skid-mounted equipment |
| CN107654066A (en) * | 2017-09-30 | 2018-02-02 | 上海建工二建集团有限公司 | A kind of detachable tower crane climbing device and construction method |
| CN108373115A (en) * | 2018-04-11 | 2018-08-07 | 贵州新联爆破工程集团有限公司 | A kind of device of construction tower crane difference pedestal conversion |
| CN109750687A (en) * | 2019-01-27 | 2019-05-14 | 浙江大学城市学院 | The steel construction tower crane foundation platform of adjustable dimension |
| CN110295667A (en) * | 2019-06-18 | 2019-10-01 | 中国一冶集团有限公司 | A kind of assembled architecture room and assembled architecture room construction method |
| CN110777837A (en) * | 2019-11-01 | 2020-02-11 | 安徽同济建设集团有限责任公司 | Construction method of fabricated building mixed tower crane |
-
2012
- 2012-12-28 CN CN 201220739875 patent/CN202989945U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179883A (en) * | 2015-09-15 | 2015-12-23 | 蚌埠高科能源装备有限公司 | Base fixing part of skid-mounted equipment |
| CN107654066A (en) * | 2017-09-30 | 2018-02-02 | 上海建工二建集团有限公司 | A kind of detachable tower crane climbing device and construction method |
| CN108373115A (en) * | 2018-04-11 | 2018-08-07 | 贵州新联爆破工程集团有限公司 | A kind of device of construction tower crane difference pedestal conversion |
| CN109750687A (en) * | 2019-01-27 | 2019-05-14 | 浙江大学城市学院 | The steel construction tower crane foundation platform of adjustable dimension |
| CN109750687B (en) * | 2019-01-27 | 2024-05-10 | 浙江大学城市学院 | Steel structure tower crane foundation bearing platform with adjustable size |
| CN110295667A (en) * | 2019-06-18 | 2019-10-01 | 中国一冶集团有限公司 | A kind of assembled architecture room and assembled architecture room construction method |
| CN110295667B (en) * | 2019-06-18 | 2020-11-27 | 中国一冶集团有限公司 | Construction method of prefabricated building house |
| CN110777837A (en) * | 2019-11-01 | 2020-02-11 | 安徽同济建设集团有限责任公司 | Construction method of fabricated building mixed tower crane |
| CN110777837B (en) * | 2019-11-01 | 2021-07-06 | 安徽同济建设集团有限责任公司 | Construction method of fabricated building mixed tower crane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202989945U (en) | Steel and concrete mixed assembly type tower footing | |
| CN101922254B (en) | Assembled square-barrel multi-layer concrete underground garage and manufacturing method thereof | |
| CN100580193C (en) | Foundation structure of steel tower | |
| CN212128825U (en) | Assembled integrated pier column and bent cap combined structure | |
| CN103015453B (en) | Dual-connection type tower crane foundation | |
| CN202164621U (en) | Tower crane foundation capable of being arranged and assembled | |
| CN202577331U (en) | Assembly-type concrete foundation of color plate simply building on construction site | |
| CN106193101B (en) | Tower crane steel platform pile foundation and its construction method | |
| CN202936807U (en) | Assembled tower footing | |
| CN209816686U (en) | Wide articulated connection structure is pieced together to new and old bridge | |
| CN208514716U (en) | The removable stretching bed seat of anchorage formula | |
| CN218667085U (en) | UHPC beam slab beam mortise-tenon joint type connecting structure | |
| CN206337497U (en) | A kind of unidirectional prestressing force ultra-high performance concrete Thin-walled Box Girder standard section | |
| CN202346643U (en) | Assembled tower crane base | |
| CN210482352U (en) | Assembled main basis that becomes of high voltage mortise-tenon joint structure | |
| CN102900096B (en) | Fabricated tower footing | |
| CN202610695U (en) | Corrugated steel web type pre-tensioned prestressed concrete I-type beam | |
| CN205975668U (en) | Steel concrete hybrid structure underground box piping lane | |
| CN201512809U (en) | Bolt connecting box-shaped prefabricated assembly type concrete tower crane foundation | |
| CN209307842U (en) | Hollow High Pier template system | |
| CN214194626U (en) | Mountain area transmission tower anchor rope assembled basis | |
| CN210766845U (en) | Assembled bracket foundation | |
| CN203113365U (en) | Embedded-type steel and concrete assembled tower base | |
| CN210369025U (en) | Floor-free tower crane foundation construction structure with steel structure | |
| CN204238121U (en) | Wavelike steel webplate flush type opening dumbbell connecting key |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
|
| CX01 | Expiry of patent term |