CN102864795A - Light steel factory post foundation suitable for sedimentation of filled-in ground and construction method - Google Patents

Light steel factory post foundation suitable for sedimentation of filled-in ground and construction method Download PDF

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Publication number
CN102864795A
CN102864795A CN2012103998237A CN201210399823A CN102864795A CN 102864795 A CN102864795 A CN 102864795A CN 2012103998237 A CN2012103998237 A CN 2012103998237A CN 201210399823 A CN201210399823 A CN 201210399823A CN 102864795 A CN102864795 A CN 102864795A
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reinforcing bar
steel
billet
base plate
screw rod
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CN2012103998237A
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Chinese (zh)
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CN102864795B (en
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曾祥勇
邓安福
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重庆大学
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Publication of CN102864795B publication Critical patent/CN102864795B/en

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Abstract

The invention discloses a light steel factory post foundation suitable for sedimentation of filled-in ground and a construction method. The post foundation comprises a connecting rebar, a post bottom plate, a steel base plate, a precast cushion block and an independent under-post foundation; wherein the post bottom plate, the steel base plate, the precast cushion block and the independent under-post foundation are arranged from top to bottom in sequence; the connecting rebar comprises a top screw rod rebar, a middle screw rod rebar and a bottom drift bolt screw rod rebar; when the filled-in ground sediments, the top screw rod rebar and the middle screw rod rebar can be dismantled; the post bottom plate is jacked and restored to an original design elevation by a jack through the steel base plate, and a gap between the post bottom plate and the independent under-post foundation is filled by the precast cushion block. The light steel factory post foundation is reasonable in structure, convenient to construct, safe and reliable; height of a post bottom can be freely adjusted according to the requirement; adverse effects on construction of the conventional light steel factory post foundation and normal use of a structure caused by foundation sedimentation can be effectively solved, and the light steel factory post foundation has a good economic benefit and a time benefit in engineering construction.

Description

A kind of light Steel-Structure Factory with Steel patten and job practices that adapts to the filled ground sedimentation

Technical field

The present invention relates to the foundation structure of a kind of light steel mill pillars of a house, relate in particular to the job practices of bed hedgehopping after a kind of light Steel-Structure Factory with Steel patten that adapts to the filled ground sedimentation and the sedimentation thereof.

 

Background technology

In the Mountain Urban Area of hypsography injustice, carry out the industrial district construction, often dig greatly greatly during smooth location and fill out, and be limited to construction costs and construction period, often be difficult to accomplish to ram packing in fact, if steel-structure factory building is built in the embankment district that does not meet the compaction quality requirement, when before the filled ground sedimentation is unstable, building, its sedimentation will directly cause the basis to produce corresponding sedimentation, thereby in superstructure, produce harmful secondary stress, and superstructure and building are deformed, cracking or unstability etc., thereby have a strong impact on structural safety work, therefore often needing that this filled ground is carried out ground processes or adopts the relatively high pile foundation of cost that Load Transfer among the stable stratum, is so all needed to pay more economic cost to the fill stratum.Carry out again the steel-structure factory building construction if wait for uncompacted filled ground settlement stability, then required wait is banketed the fixed time, count from just beginning to banket generally at least about more than 5 years, build as after waiting for that recent fill is fixed and finishing again, the time cost of paying is then more expensive.

Therefore, need to transform the design and construction scheme of the light Steel-Structure Factory with Steel patten on the existing filled ground, absolute altitude did not reduce at the bottom of the sedimentation that can guarantee filled ground did not cause post, and after increasing, can also be reliably connected with the superstructure post, guarantee the top-down reliable delivery of load and superstructure safety, avoid thus the relatively high ground processing of cost and pile foundation or strip foundation construction scheme even wait fixed the finishing the more expensive loss of time that again construction causes of banketing.

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Summary of the invention

For the prior art above shortcomings, absolute altitude reduced at the bottom of the present invention solved light Steel-Structure Factory with Steel patten on the existing filled ground and causes post with the sedimentation meeting of filled ground, cause light Steel-Structure Factory with Steel superstructure and building deforms, cracking or unstability, have a strong impact on structural safety work, and the construction of adopting prior art to produce causes the high problem of maintenance cost, and a kind of light Steel-Structure Factory with Steel patten that adapts to the filled ground sedimentation is provided.

Another object of the present invention provides the job practices of carrying out bed hedgehopping after a kind of light Steel-Structure Factory with Steel patten sedimentation of adopting the sedimentation of described adaptation filled ground.

Solve described problem, the technical solution used in the present invention is: a kind of light Steel-Structure Factory with Steel patten that adapts to the filled ground sedimentation, it is characterized in that, comprise connecting reinforcement and the column base plate that sets gradually from top to bottom, billet, precast lining and independent foundation under column, described connecting reinforcement comprises top screws reinforcing bar and bottom crab-bolt screw rod reinforcing bar, and described top screws reinforcing bar and bottom crab-bolt screw rod reinforcing bar removably connect by branch sleeve; Described column base plate is used for the i iron steel column of fixing light Steel-Structure Factory with Steel;

The array that is provided with described column base plate, billet and precast lining runs through the via hole of column base plate, billet and precast lining, column base plate, billet, precast lining and independent foundation under column is connected as a single entity after passing described via hole by connecting reinforcement; The upper end of described top screws reinforcing bar is fixed by double nut and nut backing plate and column base plate, and the lower end of top screws reinforcing bar is threaded by branch sleeve with the upper end of bottom crab-bolt screw rod reinforcing bar; Lower end and the concrete foundation anchor connection of bottom crab-bolt screw rod reinforcing bar;

Described billet has the position of growing above the relative both sides of precast lining.

Further, described precast lining is steel plate, cement mortar bedding block or concrete pad.

Further, described via hole is 4 groups.

Further, the bottom of described bottom crab-bolt screw rod reinforcing bar has kink.

Further, described precast lining is a plurality of, described connecting reinforcement comprises top screws reinforcing bar, middle part screw rod reinforcing bar, bottom crab-bolt screw rod reinforcing bar, and described top screws reinforcing bar, middle part screw rod reinforcing bar and bottom crab-bolt screw rod reinforcing bar are threaded by branch sleeve.

The job practices of bed hedgehopping comprises the steps: after the sedimentation of a kind of above-mentioned light Steel-Structure Factory with Steel patten

1) after the sedimentation of banketing, at first dismantles top screws reinforcing bar upper end double nut and nut backing plate, and take out the top screws reinforcing bar;

2) apply active force by the position of growing to the billet of top, the relative both sides of precast lining, column base plate is increased to design elevation at the bottom of the former post before the foundation settlement;

3) between billet and independent foundation under column, be packed to again the suitable precast lining with via hole of quantity, thickness and intensity;

4) remove active force, column base plate is by precast lining bed hedgehopping design elevation at the bottom of the former post;

5) be connected fastening by branch sleeve with bottom crab-bolt screw rod screw thread steel after the top screws reinforcing bar after adopting length adjustment suitable passes column base plate, billet, precast lining; At last insert nut backing plate and fastening by double nut and column base plate in the end of top screws reinforcing bar, namely finish thus the bed hedgehopping adjustment process after the filled ground sedimentation occurs.

Further, when the position of growing of the billet of top, the relative both sides of precast lining is applied active force, jack is placed the billet below, position of growing, directly billet is carried out jacking by jack.

The job practices of bed hedgehopping comprises the steps: after the sedimentation of a kind of above-mentioned light Steel-Structure Factory with Steel patten

1) after the sedimentation of banketing, at first dismantles double nut and the nut backing plate of top screws reinforcing bar upper end, and take out the top screws reinforcing bar;

2) apply active force by the position of growing to the billet of top, the relative both sides of precast lining, column base plate is increased to design elevation at the bottom of the former post before the foundation settlement;

3) the middle part screw rod reinforcing bar of the TBE (threaded both ends) that length adjustment is suitable couples together by branch sleeve and bottom crab-bolt screw rod reinforcing bar again, and at the branch sleeve between fastening good itself and the top shank of bolt reinforcing bar above the screw rod reinforcing bar of middle part; Penetrate the suitable precast lining with via hole of quantity, thickness and intensity from these reinforcing bar tops that connect;

4) remove active force, column base plate is by precast lining bed hedgehopping design elevation at the bottom of the former post;

5) be connected fastening by branch sleeve with middle part screw rod screw thread steel after the top screws reinforcing bar being passed column base plate, billet; At last insert nut backing plate and fastening by double nut and column base plate in the end of top screws reinforcing bar, namely finish thus the bed hedgehopping adjustment process after the filled ground sedimentation occurs.

Further, make quadrilateral frame, when the position of growing of the billet of top, the relative both sides of precast lining is applied active force, be inserted in respectively the position of growing of billet both sides by two frameworks, then adopt two steel poles to pass two corners of two framework top margins, and the jack pair steel pole is set on the ground carries out jacking, thereby framework is carried out jacking, and then billet and column base plate are carried out jacking.

Compared to existing technology, the present invention has following beneficial effect:

1, the present invention is rational in infrastructure, easy construction, can be as required height at the bottom of the adjustable column at any time.

2, adopt the inventive method, can carry out at any time engineering construction in fixed banketing not yet to finish, under the light steel mill pillars of a house, need not pile foundation, the strip foundation that adopts cost high simultaneously or carry out the ground processing, only need to adopt conventional shallow foundation to get final product, reach economy, safe and reliable, easy construction is purpose efficiently.

3, when filled ground and column footing generation sedimentation, because light Steel-Structure Factory with Steel superstructure is lighter, can adopt the jack pair factory building columns to carry out jacking by this structure, clog in the billet that produces after adopting simultaneously precast lining to jacking and the slit between independent foundation under column, and change the top screws reinforcing bar that is of convenient length or increase middle part screw rod reinforcing bar, again with column base plate and under billet, precast lining and independent foundation under column couple together by connecting reinforcement, adopt this mode, generation along with the sedimentation of banketing, at any time can be with jacking at the bottom of the post to former absolute altitude, Settlement Consolidation is stable until banket afterwards for many years, avoids thus the adverse effect that the superstructure of absolute altitude and light Steel-Structure Factory with Steel causes at the bottom of the sedimentation coupled columns of filled ground.

4, this invention can effectively solve all difficulties that cause because of foundation settlement in the light Steel-Structure Factory with Steel patten construction on the conventional filled ground, has good economic benefit and time benefit, and easy construction is safe and reliable.

5, the present invention is applied widely, is not only applicable to filled ground, also is applicable to the project situation such as the light Steel-Structure Factory with Steel malformation in top, cracking or unstability that the uneven settlement of foundation in soft foundation and the various situation causes.

 

Description of drawings

Fig. 1 is the structural representation on basis of the present invention;

Fig. 2 is the structural representation after increase on basis of the present invention.

 

The specific embodiment

The invention will be further described below in conjunction with drawings and Examples.

Embodiment 1: as shown in Figure 1, a kind of light Steel-Structure Factory with Steel patten that adapts to the filled ground sedimentation comprises the column base plate 1, the billet 2 that set gradually from top to bottom ,Precast lining 3 ,Independent foundation under column 4 (described independent foundation under column 4 is generally made by concrete or Reinforced Concrete Materials) and connecting reinforcement, described connecting reinforcement comprises top screws reinforcing bar 5 and bottom crab-bolt screw rod reinforcing bar 6, described top screws reinforcing bar 5 removably connects by branch sleeve 7 with bottom crab-bolt screw rod reinforcing bar 6, adopt mechanical sleeve to link to each other during implementation, more firm; The i iron steel column 8 of light Steel-Structure Factory with Steel is fixedly connected with column base plate 1.Described precast lining 3 is steel plate, cement mortar bedding block or concrete pad, make the intensity of precast lining 3 can satisfy the structure stress needs, the material of this precast lining 3, thickness are selected (to be generally less than employing steel plate or the steel disc of 2cm according to actual conditions, 2-6cm adopts cement mortar bedding block, surpasses 6cm and adopts the pea gravel concreten cushion block).During Specific construction, can make the precast lining globality better according to stressing conditions at cement mortar bedding block or concrete pad internal configurations gauze wire cloth or steel mesh reinforcement, supporting capacity be stronger.

The array that is provided with described column base plate 1, billet 2 and precast lining 3 runs through the via hole of column base plate 1, billet 2 and precast lining 3, is passed behind the described via hole by connecting reinforcement column base plate 1, billet 2, precast lining 3 are connected as a single entity with independent foundation under column 4; Described via hole is generally 4 groups (size of visual column base plate 1 and steel columns bear load increase and decrease), also can be 6 groups, 8 groups etc., selects with concrete condition; Be distributed in the reasonable force part of column base plate 1, billet 2 and precast lining 3, better effects if.

The upper end of described top screws reinforcing bar 5 is fixing by double nut and nut backing plate and column base plate 1, and the lower end of top screws reinforcing bar 5 is threaded by branch sleeve 7 with the upper end of bottom crab-bolt screw rod reinforcing bar 6; Lower end and independent foundation under column 4 anchor connections of bottom crab-bolt screw rod reinforcing bar 6; The bottom of described bottom crab-bolt screw rod reinforcing bar 6 has kink, can the Effective Raise anchoring effect.Described billet 2 has the position of growing above precast lining 3 relative both sides.

Described billet 2 also can adopt the steel filler strip of avoiding connecting reinforcement to replace, in the situation that guaranteed strength and stable, more economical with materials.The thickness of this billet 2 or steel filler strip need satisfy force request, and its thickness generally is not less than 20mm.

In the situation that settlement of foundation is little, only needs to change the top screws reinforcing bar that is of convenient length and then again be threaded with bottom crab-bolt screw rod reinforcing bar 6 by branch sleeve 7.After ground produces sedimentation, the column base plate 1 of the i iron steel column 8 by 2 pairs of light Steel-Structure Factory with Steel of billet carries out jacking first, adopt again precast lining with holes to clog gap between consequent independent foundation under column 4 and the column base plate 1, thereby make column base plate 1 be returned to the home position.

Adopt the light Steel-Structure Factory with Steel patten of this adaptation filled ground sedimentation, the job practices of bed hedgehopping comprises the steps: after its sedimentation

1) after the sedimentation of banketing, at first dismantles top screws reinforcing bar upper end double nut and nut backing plate, and take out the top screws reinforcing bar; Carry out simultaneously excavation of foundation pit, the position of growing of independent foundation under column top and top billet thereof is exposed;

2) apply active force by the position of growing to the billet of top, the relative both sides of precast lining, column base plate is increased to design elevation at the bottom of the former post before the foundation settlement; When the position of growing of the billet of top, the relative both sides of precast lining is applied active force, jack is placed grow position below of billet, directly billet is carried out jacking by jack, easy to operate, be applicable to the lighter factory building of less jack or weight.

3) between billet and independent foundation under column, be packed to again the suitable precast lining with via hole of quantity, thickness and intensity; Described precast lining quantity and thickness highly are as the criterion before column base plate can being increased to sedimentation, and precast lining intensity is as the criterion can satisfy stressed needs, and is not less than the concrete strength of independent foundation under column 4, are undertaken prefabricated by required number and thickness before the filling; Insert between billet 2 and the independent foundation under column 4 during filling;

4) remove active force, column base plate is by precast lining bed hedgehopping design elevation at the bottom of the former post;

5) be connected fastening (can change another root top screws reinforcing bar) with bottom crab-bolt screw rod screw thread steel by branch sleeve after the top screws reinforcing bar after adopting length adjustment suitable passes column base plate, billet, precast lining; At last insert nut backing plate and fastening by double nut and column base plate in the end of top screws reinforcing bar, namely finish thus the bed hedgehopping adjustment process after the filled ground sedimentation occurs.Adopt double nut and column base plate fastening, can further ensure integrally-built stability, avoid nut to come off.

 

Embodiment 2, as shown in Figure 2, described precast lining is a plurality of, described connecting reinforcement comprises top screws reinforcing bar, middle part screw rod reinforcing bar 9, bottom crab-bolt screw rod reinforcing bar, described top screws reinforcing bar, middle part screw rod reinforcing bar 9 and bottom crab-bolt screw rod reinforcing bar are threaded by branch sleeve, adopt mechanical sleeve to link to each other during implementation, more firm.

In the situation that settlement of foundation is larger, increase as required or change the middle part screw rod reinforcing bar that is of convenient length, like this when filling precast lining (filler strip), but the limit connects middle part screw rod reinforcing bar, and filling precast lining (filler strip) in limit is convenient.After ground produces sedimentation, first the column base plate of the i iron steel column of light Steel-Structure Factory with Steel carried out jacking, adopt again the gap between perforate precast concrete cushion block (or filler strip) the consequent independent foundation under column of filling and the column base plate, thereby make column base plate be returned to the home position.

To the light Steel-Structure Factory with Steel patten of above-mentioned adaptation filled ground sedimentation, the job practices of bed hedgehopping comprises the steps: after its sedimentation

1) after the sedimentation of banketing, at first dismantles double nut and the nut backing plate of top screws reinforcing bar upper end, and take out the top screws reinforcing bar; To carrying out excavation of foundation pit, the position of growing of the billet of independent foundation under column top and top thereof is exposed simultaneously;

2) apply active force by the position of growing to the billet of top, the relative both sides of precast lining, column base plate is increased to design elevation at the bottom of the former post before the foundation settlement; During jacking, make quadrilateral frame, when the position of growing of the billet of top, the relative both sides of precast lining is applied active force, be inserted in respectively the position of growing of billet both sides by two frameworks, then adopt two steel poles to pass two corners of two framework top margins, and the jack pair steel pole is set on the ground carries out jacking, thereby framework is carried out jacking, and then billet and column base plate are carried out jacking.During Specific construction, described quadrilateral frame can be made into trapezoidal, and adopts steel work, so not only easy construction, and supporting capacity is stronger.This quadrangle steelframe can be according to the load of the light steel mill pillars of a house, and namely the size of required top lift adopts the conventional steel such as hot-rolled reinforced bar or shaped steel to make.So can the jacking process be subject to the impact of light Steel-Structure Factory with Steel, more convenient to operate, and better effects if, make the stressed more balance of billet, be more prone to operation.

3) the middle part screw rod reinforcing bar of the TBE (threaded both ends) that length adjustment is suitable couples together by branch sleeve and bottom crab-bolt screw rod reinforcing bar again, and at the branch sleeve between fastening good itself and the top shank of bolt reinforcing bar above the screw rod reinforcing bar of middle part; Penetrate the suitable precast lining with via hole of quantity, thickness and intensity from these reinforcing bar tops that connect;

4) remove active force, column base plate is by precast lining bed hedgehopping design elevation at the bottom of the former post;

5) be connected fastening by branch sleeve with middle part screw rod screw thread steel after the top screws reinforcing bar being passed column base plate, billet; At last insert nut backing plate and fastening by double nut and column base plate in the end of top screws reinforcing bar, namely finish thus the bed hedgehopping adjustment process after the filled ground sedimentation occurs.Adopt double nut and column base plate fastening, can further ensure integrally-built stability, avoid nut to come off.

The present invention also can be extended to the light Steel-Structure Factory with Steel building that may produce foundation settlement of other occasion except applicable filled ground, such as soft foundation, and other unfavorable foundation etc.

In addition, precast lining is made the form of upper level, lower tilt, may produce slightly inclination situation for basic end face in the sedimentation of banketing, and can guarantee to keep former level at the bottom of the upper post, and general this inclined degree is not very large.

 

Need to prove at last, above embodiment is only in order to illustrate technical scheme of the present invention but not the restriction technologies scheme, although the applicant has been described in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are made amendment to technical scheme of the present invention or are equal to replacement, and do not break away from aim and the scope of the technical program, all should be encompassed in the middle of the claim scope of the present invention.

Claims (9)

1. light Steel-Structure Factory with Steel patten that adapts to the filled ground sedimentation, it is characterized in that, comprise connecting reinforcement and the column base plate that sets gradually from top to bottom, billet, precast lining and independent foundation under column, described connecting reinforcement comprises top screws reinforcing bar and bottom crab-bolt screw rod reinforcing bar, and described top screws reinforcing bar and bottom crab-bolt screw rod reinforcing bar removably connect by branch sleeve; Described column base plate is used for the i iron steel column of fixing light Steel-Structure Factory with Steel;
The array that is provided with described column base plate, billet and precast lining runs through the via hole of column base plate, billet and precast lining, column base plate, billet, precast lining and independent foundation under column is connected as a single entity after passing described via hole by connecting reinforcement; The upper end of described top screws reinforcing bar is fixed by double nut and nut backing plate and column base plate, and the lower end of top screws reinforcing bar is threaded by branch sleeve with the upper end of bottom crab-bolt screw rod reinforcing bar; Lower end and the concrete foundation anchor connection of bottom crab-bolt screw rod reinforcing bar;
Described billet has the position of growing above the relative both sides of precast lining.
2. the light Steel-Structure Factory with Steel patten of described adaptation filled ground sedimentation according to claim 1 is characterized in that, described precast lining is steel plate, cement mortar bedding block or concrete pad.
3. the light Steel-Structure Factory with Steel patten of described adaptation filled ground sedimentation according to claim 1 is characterized in that, described via hole is 4 groups.
4. the light Steel-Structure Factory with Steel patten of described adaptation filled ground sedimentation according to claim 1 is characterized in that, the bottom of described bottom crab-bolt screw rod reinforcing bar has kink.
5. any one adapts to the light Steel-Structure Factory with Steel patten of filled ground sedimentation according to claim 1~4, it is characterized in that, described precast lining is a plurality of, described connecting reinforcement comprises top screws reinforcing bar, middle part screw rod reinforcing bar, bottom crab-bolt screw rod reinforcing bar, and described top screws reinforcing bar, middle part screw rod reinforcing bar and bottom crab-bolt screw rod reinforcing bar are threaded by branch sleeve.
6. adapt to as claimed in claim 1 the job practices of bed hedgehopping after the light Steel-Structure Factory with Steel patten sedimentation of filled ground sedimentation, it is characterized in that, comprise the steps:
1) after the sedimentation of banketing, at first dismantles top screws reinforcing bar upper end double nut and nut backing plate, and take out the top screws reinforcing bar;
2) apply active force by the position of growing to the billet of top, the relative both sides of precast lining, column base plate is increased to design elevation at the bottom of the former post before the foundation settlement;
3) between billet and independent foundation under column, be packed to again the suitable precast lining with via hole of quantity, thickness and intensity;
4) remove active force, column base plate is by precast lining bed hedgehopping design elevation at the bottom of the former post;
5) be connected fastening by branch sleeve with bottom crab-bolt screw rod screw thread steel after the top screws reinforcing bar after adopting length adjustment suitable passes column base plate, billet, precast lining; At last insert nut backing plate and fastening by double nut and column base plate in the end of top screws reinforcing bar, namely finish thus the bed hedgehopping adjustment process after the filled ground sedimentation occurs.
7. job practices according to claim 6 is characterized in that, when the position of growing of the billet of top, the relative both sides of precast lining is applied active force, jack is placed the billet below, position of growing, and directly billet is carried out jacking by jack.
8. adapt to as claimed in claim 5 the job practices of bed hedgehopping after the light Steel-Structure Factory with Steel patten sedimentation of filled ground sedimentation, it is characterized in that, comprise the steps:
1) after the sedimentation of banketing, at first dismantles double nut and the nut backing plate of top screws reinforcing bar upper end, and take out the top screws reinforcing bar;
2) apply active force by the position of growing to the billet of top, the relative both sides of precast lining, column base plate is increased to design elevation at the bottom of the former post before the foundation settlement;
3) the middle part screw rod reinforcing bar of the TBE (threaded both ends) that length adjustment is suitable couples together by branch sleeve and bottom crab-bolt screw rod reinforcing bar again, and at the branch sleeve between fastening good itself and the top shank of bolt reinforcing bar above the screw rod reinforcing bar of middle part; Penetrate the suitable precast lining with via hole of quantity, thickness and intensity from these reinforcing bar tops that connect;
4) remove active force, column base plate is by precast lining bed hedgehopping design elevation at the bottom of the former post;
5) be connected fastening by branch sleeve with middle part screw rod screw thread steel after the top screws reinforcing bar being passed column base plate, billet; At last insert nut backing plate and fastening by double nut and column base plate in the end of top screws reinforcing bar, namely finish thus the bed hedgehopping adjustment process after the filled ground sedimentation occurs.
9. according to claim 6 or 8 described job practicess, it is characterized in that, make quadrilateral frame, when the position of growing of the billet of top, the relative both sides of precast lining is applied active force, be inserted in respectively the position of growing of billet both sides by two frameworks, then adopt two steel poles to pass two corners of two framework top margins, and the jack pair steel pole is set on the ground carries out jacking, thereby framework is carried out jacking, and then billet and column base plate are carried out jacking.
CN201210399823.7A 2012-10-19 2012-10-19 Light steel factory post foundation suitable for sedimentation of filled-in ground and construction method CN102864795B (en)

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CN103352471A (en) * 2013-07-19 2013-10-16 中国建筑股份有限公司 Container prefabricated house assembling type steel reinforced concrete single-double-column foundation and construction method thereof
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CN104372804A (en) * 2013-08-13 2015-02-25 波马加尔斯基公司 Anchoring device for the foundations of a ski lift structure, and method for manufacturing such a device
CN103669432B (en) * 2013-11-18 2016-11-02 国家电网公司 A kind of jacking device for deviation rectification of steel pylon in mining area of coal mine
CN103669431A (en) * 2013-11-18 2014-03-26 国家电网公司 Device for adjusting inclined steel pylon in mining area of coal mine
CN103669432A (en) * 2013-11-18 2014-03-26 国家电网公司 Jacking device for deviation rectification of steel pylon in mining area of coal mine
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