CN103967040A - Tower crane foundation structure and construction method thereof - Google Patents
Tower crane foundation structure and construction method thereof Download PDFInfo
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- CN103967040A CN103967040A CN201410210961.5A CN201410210961A CN103967040A CN 103967040 A CN103967040 A CN 103967040A CN 201410210961 A CN201410210961 A CN 201410210961A CN 103967040 A CN103967040 A CN 103967040A
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Abstract
The invention provides a tower crane foundation structure and a construction method of the tower crane foundation structure. The construction method includes the steps of planting bars in concrete, leveling and setting up a bearing platform. The tower crane foundation structure comprises a concrete foundation, the spacer bars, a foundation bottom plate and the bearing platform. The problem that an existing tower crane foundation can not simultaneously guarantee high-stability and efficient location, assembly and disassembly is solved, working efficiency of tower crane construction is greatly improved, environmental pollution caused by construction is further reduced, and the requirement for green construction is met.
Description
Technical field
The invention belongs to the realm of building construction, be specifically related to a kind of tower-crane foundation structure and construction method thereof.
Background technology
At present, tower crane is applied in building field widely.Stationarity while lifting by crane object due to tower crane and safety and tower crane have direct relation, thereby the firm stable that ensures tower crane is a ring of particularly paying attention to when tower crane construction is installed always.
Existing very general way is concreting piece using as tower crane, but, while utilizing existing way to construct, the volume of institute's concreting piece is generally larger, when construction, also need through tying up the operations such as reinforcing bar, formwork supporting plate and concreting, this just causes the levelness that is difficult to ensure lower margin in concrete vibrating process to a certain extent, and, after tower crane is removed, concrete foundation also needs demolition blasting separately.Obviously there is the defects such as the low and contaminated environment of efficiency of construction in this kind of way.。
Summary of the invention
For overcoming the existing defect of prior art, a kind of tower-crane foundation structure and construction method thereof are now provided, can not ensure the problem of high stability and high efficiency location dismounting to solve existing tower crane simultaneously, and greatly improve the operating efficiency of tower crane construction, and further reduce the environment pollution that construction causes, reach green construction requirement.
For achieving the above object, first the present invention provides a kind of tower-crane foundation structure construction method, comprising:
Planting reinforced bar into concrete process, is included in concrete foundation and implants many spacer barss to form the multiple bar plantings region corresponding with tower crane anchor, and many spacer barss in bar planting region protrude from concrete foundation;
Levelling process, be included in and in each bar planting region, utilize spacer bars correspondence that one sole plate is set and sole plate is carried out to levelling, when all sole plates in multiple bar plantings region are all after same preset height, by described spacer bars, the sole plate in each bar planting region is fixed and is filled the space between grouting sole plate and concrete foundation;
The assignment procedure of cushion cap, is included in an affixed cushion cap on each sole plate, for tower crane anchor is individually fixed on each cushion cap.
The beneficial effect of tower-crane foundation structure construction method of the present invention is,
1) by using spacer bars, sole plate is located every sky temporarily;
2) the high-level degree that ensures sole plate by the instrument of detection level degree is progressively to realize levelling;
3) by being in the milk to improve the stable degree after its levelling to filling every empty sole plate;
4) by tower crane anchor being fixed on cushion cap to realize high stable and the high efficiency of location dismounting.
The further improvement of tower-crane foundation structure construction method of the present invention is, forms single bar planting region and comprises: many spacer bars rules are arranged and be implanted in respectively in concrete foundation, to form many spacer barss that protrude on concrete foundation.
The further improvement of tower-crane foundation structure construction method of the present invention is, sole plate is provided with multiple locating holes that rule is arranged, levelling process comprises: by the top of spacer bars respectively correspondence be arranged in locating hole, and form described gap between sole plate and concrete foundation.
The further improvement of tower-crane foundation structure construction method of the present invention is, levelling process comprises: the sole plate in each bar planting region is carried out levelness detection and adjusted in real time, until all sole plates in multiple bar plantings region are all in same preset height.
The further improvement of tower-crane foundation structure construction method of the present invention is, levelling process comprises: all described sole plate in multiple described bar plantings region is all after same preset height, to any one sole plate, carry out described filling grouting first respectively by affixed to the top of spacer bars and sole plate, then to gap.
The further improvement of tower-crane foundation structure construction method of the present invention is, the assignment procedure of cushion cap comprises: after grouting to be filled completes, cushion cap is welded on sole plate.
The further improvement of tower-crane foundation structure construction method of the present invention is, the assignment procedure of cushion cap also comprises: at the upper surface of cushion cap, locating wheel profile is set, is fixed on cushion cap according to locating wheel profile for tower crane anchor.
For realizing better above-mentioned purpose, the present invention also provides a kind of tower-crane foundation structure, comprising:
Be formed in concrete foundation and the multiple bar plantings region corresponding with tower crane anchor number, in each bar planting region, be provided with many spacer barss of protrusion;
Be arranged in each bar planting region and be positioned at the sole plate at spacer bars top, all sole plates in multiple bar plantings region are all in same preset height; And
Be arranged on sole plate for the fixing cushion cap of tower crane anchor.
The beneficial effect of tower-crane foundation structure of the present invention is,
1) coordinate the structure setting of sole plate to realize levelling in construction by spacer bars;
2) coordinate the structure setting of cushion cap to realize flexible and stable location dismounting in construction by sole plate.
The further improvement of tower-crane foundation structure of the present invention is, also comprises the leveling layer being formed between concrete and sole plate.
The further improvement of tower-crane foundation structure of the present invention is, many spacer bars rules are arranged, and sole plate is provided with multiple locating holes that rule is arranged, and spacer bars and locating hole are corresponding and be welded to connect one by one; Cushion cap is welded on sole plate, and the end face of cushion cap has locating wheel profile, is fixedly connected with according to locating wheel profile for tower crane anchor with the end face of cushion cap.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of tower-crane foundation structure construction method of the present invention;
Fig. 2 is that spacer bars of the present invention is anchored in the sectional structure schematic diagram in concrete foundation;
Fig. 3 is the plan structure schematic diagram that the present invention forms four bar planting regions;
Fig. 4 is the plan structure schematic diagram of sole plate of the present invention;
Fig. 5 is the sectional structure schematic diagram of the present invention's immobilizing foundation base plate on the basis of Fig. 3 and Fig. 4;
Fig. 6 is that the present invention fills grouting to form the sectional structure schematic diagram of leveling layer on the basis of Fig. 5;
Fig. 7 is the sectional structure schematic diagram of the present invention's fixed bearing platform on Fig. 6 basis;
Fig. 8 is the plan structure schematic diagram of cushion cap end face of the present invention;
Fig. 9 is the sectional structure schematic diagram that the present invention fixes tower crane anchor on Fig. 7 and Fig. 8 basis.
Detailed description of the invention
For the benefit of the understanding to structure of the present invention, describes below in conjunction with drawings and Examples.
With reference to Fig. 1, be the schematic flow sheet of tower-crane foundation structure construction method of the present invention, as shown in Figure 1, first the present invention provides a kind of tower-crane foundation structure construction method, comprises following main process:
A. planting reinforced bar into concrete process
Can be with reference to Fig. 2, for spacer bars 2 of the present invention is anchored in the cross-sectional schematic of concrete foundation 1, as shown in Figure 2, when construction, should first perform step S1: need, in advance according to the load needs of tower crane, calculate cross section, quantity and the anchorage depth thereof of required spacer bars 2.After to be calculated completing, just can be in the concrete foundation of once grouting moulding 1, (reinforced hole also can be arranged by other rule forms certainly, for example to offer multiple reinforced holes of arranging with matrix form, rice font is arranged), the degree of depth of reinforced hole need reach the calculating setting value of anchorage depth.Then, by construction requirement, many spacer barss 2 are implanted in respectively in each reinforced hole, when reinforcing bar 2 to be positioned arrives the anchorage depth of reinforced hole, anchor and position reinforcing bar 2 makes it naturally protrude and be revealed on concrete foundation 1.Mode according to this, the bar planting region 8 of a rectangle of formation.
It should be noted that because existing tower crane generally has four lower margins, therefore, with reference to Fig. 3, for the present invention forms the plan structure schematic diagram in four bar planting regions 8, as shown in Figure 3, repeat said process, form four bar planting regions all around, with this, completing steps S1.
B. the position fixing process of sole plate 3
Can be with reference to Fig. 4, for the plan structure schematic diagram of sole plate 3 of the present invention, shown in Fig. 3 and Fig. 4, for each bar planting region 8, when construction, should after step S1 completes, perform step again S2: prepare in advance a block plate as sole plate 3, on this sole plate 3, need to offer can be corresponding with spacer bars 2 multiple locating holes 30.In the time implementing, can lip block be set in sole plate 3 soffit surroundings, so that sole plate 3 is supported every sky temporarily, and ensure that each locating hole 30 is interior to there being a spacer bars 2, with this, completing steps S2, realizes locating every sky of sole plate 3.
C. the levelling process of sole plate 3
Can be with reference to Fig. 5, for the sectional structure schematic diagram of the present invention's immobilizing foundation base plate 3 on the basis of Fig. 3 and Fig. 4, as shown in Figure 5, for each bar planting region 8, when construction, should after step S2 completes, perform step again S3: because the sole plate 3 in step S2 is supported every sky temporarily, thereby, at self-assembling formation between sole plate 3 and concrete foundation 1 between absolutely empty 4, whereby, can carry out to sole plate 3 accurate adjustment of levelness.Particularly, in the time implementing, can utilize level gauge that sole plate 3 is constantly carried out the detection of levelness and adjusted in real time, until all sole plates 3 in four bar planting regions 8 of base are all in same preset height, with this, completing steps S3, realizes the levelling of sole plate 3 degree of precision.
D. the fixation procedure of sole plate 3
Can be with reference to Fig. 6, for the present invention fills grouting to form the sectional structure schematic diagram of leveling layer 5 on the basis of Fig. 5, as shown in Figure 5, for each bar planting region 8, when construction, should after completing, step S3 perform step again S4: after the levelness of sole plate 3 reaches construction precision and requires, ideal situation is, the upper surface of sole plate 3 flushes with the top of spacer bars 2, now, just can first locating hole 30 and the welded top of spacer bars 2 be fixed up, again the cushion block that is supported in sole plate 3 soffit surroundings is removed, afterwards, just can carry out back-grouting every absolutely empty 4 to formed, filling and enrich every absolutely empty 4.Afterwards, between sole plate 3 and concrete foundation 1, just form one deck leveling layer 5, with this, stable degree of sole plate 3 has been improved significantly
E. the assignment procedure of cushion cap 6
Can be with reference to Fig. 7, for the sectional structure schematic diagram of the present invention's fixed bearing platform 6 on Fig. 6 basis, as shown in Figure 7, for each bar planting region 8, when construction, should after completing, step S4 perform step again S5: after leveling layer 5 thoroughly solidifies, just can be on sole plate 3 fixed bearing platform 6, comparatively ideally, cushion cap 6 is fixedly welded on the center of sole plate 3.
F. the assignment procedure of tower crane anchor 7
Can be with reference to Fig. 8 and Fig. 9, Fig. 8 is the plan structure schematic diagram of cushion cap 6 end faces of the present invention, Fig. 9 is the sectional structure schematic diagram that the present invention fixes tower crane anchor 7 on Fig. 7 and Fig. 8 basis, shown in Fig. 8 and Fig. 9, for each bar planting region 8, when construction, should after completing, step S5 perform step again S6: because the upper surface of each cushion cap 6 all has locating wheel profile 60, after cushion cap 6 is welded and fixed, tower crane anchor 7 need come as far as possible the accurately relative permanent position of tower crane anchor 7 and cushion cap 6 by these locating wheel profiles 60 of cushion cap 6 upper surfaces.
After above step S1 completes to step S6, four tower crane anchors 7 should be able to firmly and accurately be connected with tower-crane foundation structure.
Below introduce wherein a kind of tower-crane foundation structure (apply tower-crane foundation structure construction method of the present invention and should be not limited to following this tower-crane foundation structure) that the above-mentioned tower-crane foundation structure construction method of application can form:
With reference to Fig. 7, for the sectional structure schematic diagram of the present invention's fixed bearing platform on Fig. 6 basis, be also the sectional structure schematic diagram of tower-crane foundation structure of the present invention, as shown in Figure 7 simultaneously, the present invention also provides a kind of tower-crane foundation structure, comprising: the concrete foundation 1 that once grouting forms; Be fixed on the many spacer barss 2 in concrete foundation 1; Be arranged at the sole plate 3 at spacer bars 2 tops; And be arranged at the cushion cap 6 on sole plate 3.
Shown in Fig. 8 and Fig. 9, in the present embodiment, concrete foundation 1 is formed in the pit excavating on ground, job site; Can select round bar as spacer bars 2, be fixed on after concrete foundation 1 until all spacer barss 2, need to form four bar planting regions 8 as shown in Figure 3, and each bar planting region 8 is interior all has the included said structure feature of tower-crane foundation structure of the present invention as shown in Figure 7; Select square plate as sole plate 3, for corresponding to round bar, offer circular locating hole 30 on sole plate 3, spacer bars 2 is arranged and is welded to connect with the equal matrix of locating hole 30; And, between sole plate 3 and concrete foundation 1, be formed with one deck leveling layer 5 through back-grouting to fill; The cushion cap 6 of ladder type is fixedly welded on the upper surface center of sole plate 3, and the upper surface of cushion cap 6 is laid with many locating wheel profiles 60, is accurately fixed on the upper surface of cushion cap 6 for tower crane anchor 7.
Complete after above-mentioned implementation process, should be able to embody the following characteristics of tower-crane foundation structure of the present invention and construction method thereof:
1) realize high efficiency structure construction, and be convenient to remove;
2) utilize common reinforcing bar and steel plate to solve a levelling difficult problem;
3) mode that forms leveling layer by back-grouting obtains firm foundation structure.
Below embodiment has been described in detail the present invention by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thereby some details in embodiment should not form limitation of the invention, the present invention by the scope defining using appended claims as protection domain.
Claims (10)
1. a tower-crane foundation structure construction method, is characterized in that, comprising:
Planting reinforced bar into concrete process, is included in concrete foundation and implants spacer bars to form the multiple bar plantings region corresponding with tower crane anchor, and many described spacer barss in described bar planting region protrude from described concrete foundation;
Levelling process, be included in each described bar planting region and (utilize described location correspondence that one sole plate is set and described sole plate is carried out to levelling, when all described sole plate in multiple described bar plantings region is all after same preset height, by described spacer bars, the described sole plate in each described bar planting region is fixed and is filled the space between the described sole plate of grouting and described concrete foundation;
The assignment procedure of cushion cap, is included in an affixed cushion cap on each described sole plate, for described tower crane anchor being individually fixed in described in each on cushion cap.
2. tower-crane foundation structure construction method according to claim 1, is characterized in that,
The process that forms single described bar planting region comprises: many described spacer bars rules are arranged and will be implanted in respectively in described concrete foundation, to form many described spacer barss that protrude on described concrete foundation.
3. tower-crane foundation structure construction method according to claim 2, is characterized in that,
Described sole plate is provided with multiple locating holes that rule is arranged;
Described levelling process comprises: by the top of described spacer bars respectively correspondence be arranged in described locating hole, and form described space between described sole plate and described concrete foundation.
4. tower-crane foundation structure construction method according to claim 3, is characterized in that,
Described levelling process comprises: the described sole plate in each described bar planting region is carried out levelness detection and adjusted in real time, until all described sole plate in multiple described bar plantings region is all in same preset height.
5. tower-crane foundation structure construction method according to claim 4, is characterized in that,
Described levelling process comprises: all described sole plate in multiple described bar plantings region is all after same preset height, to sole plate described in any one, first respectively by affixed to the top of described spacer bars and described sole plate, more described filling grouting is carried out in described space.
6. tower-crane foundation structure construction method according to claim 1 or 5, is characterized in that,
The assignment procedure of described cushion cap comprises: after described filling has been in the milk, described cushion cap is welded on described sole plate.
7. tower-crane foundation structure construction method according to claim 6, is characterized in that,
The assignment procedure of described cushion cap also comprises: at the upper surface of described cushion cap, locating wheel profile is set, is fixed on described cushion cap according to described locating wheel profile for described tower crane anchor.
8. a tower-crane foundation structure, is characterized in that, comprising:
Be formed in concrete foundation and the multiple bar plantings region corresponding with tower crane anchor, in each described bar planting region, be provided with many spacer barss of protrusion;
Be arranged in each described bar planting region and be positioned at the sole plate at described spacer bars top, all described sole plate in multiple described bar plantings region is all in same preset height; And
Be arranged on each described sole plate for the fixing cushion cap of described tower crane anchor.
9. tower-crane foundation structure according to claim 8, is characterized in that,
Also comprise the leveling layer being formed between described concrete and described sole plate.
10. tower-crane foundation structure according to claim 9, is characterized in that,
Many described spacer bars rules are arranged, and described sole plate is provided with multiple locating holes that rule is arranged, and described spacer bars and described locating hole are corresponding and be welded to connect one by one;
Described cushion cap is welded on described sole plate, and the end face of described cushion cap has locating wheel profile, is fixedly connected with according to described locating wheel profile for described tower crane anchor with the end face of described cushion cap.
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| CN201410210961.5A CN103967040B (en) | 2014-05-19 | 2014-05-19 | Tower-crane foundation structure and construction method thereof |
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| CN201410210961.5A CN103967040B (en) | 2014-05-19 | 2014-05-19 | Tower-crane foundation structure and construction method thereof |
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Cited By (2)
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| CN111894031A (en) * | 2020-08-10 | 2020-11-06 | 中国建筑第八工程局有限公司 | Tower crane foundation and construction method thereof |
| CN113557506A (en) * | 2019-10-24 | 2021-10-26 | 广州建筑股份有限公司 | Multi-tower crane arrangement method for building construction |
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| CN103967040B (en) | 2015-12-02 |
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