CN101537968A - Break-of-gauge beam for large and long foundation pits and construction method thereof - Google Patents
Break-of-gauge beam for large and long foundation pits and construction method thereof Download PDFInfo
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- CN101537968A CN101537968A CN200910043235A CN200910043235A CN101537968A CN 101537968 A CN101537968 A CN 101537968A CN 200910043235 A CN200910043235 A CN 200910043235A CN 200910043235 A CN200910043235 A CN 200910043235A CN 101537968 A CN101537968 A CN 101537968A
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- gauge beam
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Abstract
The invention provides a break-of-gauge beam for large and long foundation pits and a construction method thereof. The break-of-gauge beam comprises a matrix and steel sleepers for mounting gantry crane rails, wherein, the steel sleepers are fixed at the upper part of the matrix; and the matrix is formed by connecting a plurality of Bailey pieces via hinge pins. The construction method comprises the following steps: a. forming the matrix of the break-of-gauge beam by connecting a plurality of Bailey pieces via the hinge pins, and fixing two ends of the matrix into a concrete foundation provided with a U-shaped groove; b. mounting more than one supporting block below the middle part of the matrix, arranging a tray at the top of the supporting block and mounting steel plates between the tray and the matrix; and c. laying the steel sleeper for mounting the gantry crane rails at the upper part of the matrix to complete the construction of the break-of-gauge beam. The break-of-gauge beam for large and long foundation pits in the invention has the advantages of simple and compact structure, low cost, convenient construction, widely applicable range and high reliability.
Description
Technical field
The present invention is mainly concerned with the design field of foundation ditch gauntry crane track, and that refers in particular to a kind of foundation ditch that is used to grow up crosses beam-and-rail and construction method thereof.
Background technology
The foundation ditch gauntry crane of growing up generally is commonly used in the vertical-lifts such as station, subway foundation pit, vertical shaft, the gauntry crane track also vertically is provided with along foundation ditch usually, track foundation is also on the reinforced concrete foundation of distance building enclosure outside certain distance, because both sides basic design character is identical, its distortion is little relatively, needn't consider that its differential settlement jeopardizes the traffic safety of gauntry crane, its planning and design, field engineering are also ripe relatively.But in worker's method of prior art, one was located on " rigid foundation building enclosure Guan Liang " during the gauntry crane track was used, and another is located on " flexible foundation Bei Leiliang ", adopted large span Bei Leiliang not have as the gauntry crane track foundation.
Summary of the invention
The problem to be solved in the present invention just is: at the technical matters that prior art exists, the invention provides a kind of simple and compact for structure, with low cost, easy construction, applied widely, good reliability be used to grow up foundation ditch cross beam-and-rail and construction method thereof.
For solving the problems of the technologies described above, the solution that the present invention proposes is: a kind of beam-and-rail of crossing of the foundation ditch that is used to grow up, it is characterized in that: it comprises matrix and the steel sleeper that is used for installing the gauntry crane track, and steel sleeper is fixed in the top of matrix, and described matrix is formed by connecting by bearing pin by several pieces shellfish thunder sheets.
As a further improvement on the present invention:
Below, described matrix middle part is provided with more than one support pier, and the top of support pier is provided with pallet, is provided with steel plate between pallet and the matrix.
The two ends of described matrix are fixed in the concrete foundation of band " U " type groove.
A kind of foundation ditch that is used to grow up cross the beam-and-rail construction method, it is characterized in that step is:
A, several pieces shellfish thunder sheets were connected to form the beam-and-rail matrix by bearing pin, the two ends of matrix were fixed in the outside, the Guan Liang place concrete foundation of band " U " type groove;
B, below matrix middle part the more than one support pier of installing, the top of this support pier is provided with pallet, and installs steel plate between pallet and matrix;
C, above matrix, lay the steel sleeper be used for installing the gauntry crane track, to finish the construction of beam-and-rail.
Compared with prior art, advantage of the present invention just is: the foundation ditch that is used to grow up of the present invention cross beam-and-rail and construction method thereof, have advantages such as simple and compact for structure, with low cost, easy construction, applied widely, good reliability.The present invention adopts Bei Leiliang as crossing beam-and-rail, not only solve the problem of Bei Leiliang layout, rigidity, amount of deflection, also made full use of shellfish thunder beam easy construction, assembly unit is easy, speed is fast, advantage such as easy to maintenance, and shellfish thunder beam low price, the recovery utilization rate height, range of use is wide.The present invention is directed to beam-and-rail when passing through mutually with an independent stressed system, the ingenious bang path that solved beam-and-rail top live load, and guaranteed that beam-and-rail and independent system normally brought into play respective action separately.Can be able to widespread use in a lot of fields, at special construction environment such as foundation ditch, tunnels, can be according to actual span and carrying size, relevant parameter (number of sheet number, the number of plies and the midship mounting pier of the used shellfish thunder of every Jie Beilei beam sheet) by suitable adjustment Bei Leiliang is realized, to satisfy the operating needs under the different operating modes.
Description of drawings
Fig. 1 is the side-looking structural representation of the specific embodiment of the invention;
Fig. 2 is the plan structure scheme drawing of the specific embodiment of the invention;
Fig. 3 is the sectional structure scheme drawing at A-A place among Fig. 2;
Fig. 4 is the hat girder construction scheme drawing of band " U " type groove among the present invention;
Fig. 5 is the Guan Liang of band " U " type groove among the present invention and the planimetric position scheme drawing on matrix basis;
Fig. 6 is the structural representation at I place among Fig. 1.
Marginal data
1, matrix 2, steel sleeper
3, gauntry crane track 4, shellfish thunder sheet
5, support pier 6, pallet
7, steel plate 8, gauntry crane
9, concrete foundation 10, octal bracing frame
11, ferro-concrete hat beam 12, pad
13, strengthen chord member 14, Guan Liang
15, " U " type groove
The specific embodiment
Below with reference to the drawings and specific embodiments the present invention is described in further details.
In the present embodiment, lay steel sleeper 2 on beam-and-rail and the conventional ferro-concrete Guan Liang of the present invention the mistake, mutual group becomes two gauntry crane tracks 3 of gauntry crane 8, has effectively utilized the space at foundation ditch active well place so most possibly, has solved the problem that space, active well place is narrow and small, layout is difficult.As Fig. 1, Fig. 2 and shown in Figure 3, the present invention's be used to grow up beam-and-rail of crossing of foundation ditch, it comprises matrix 1 and is used for installing the steel sleeper 2 of gauntry crane track 3, and steel sleeper 2 is fixed in the top of matrix 1, and described matrix 1 is formed by connecting by bearing pin by several pieces shellfish thunder sheets 4.In the present embodiment, to cross the beam-and-rail amount of deflection when crossing the beam-and-rail span centre excessive of the present invention in walking in order to prevent gauntry crane 8, cause 8 liang of siding track relative reliefs of gauntry crane big, walking to gauntry crane 8 brings great potential safety hazard, simultaneously also in order to strengthen the bearing capacity of beam-and-rail, guarantee safety, set up a ferro-concrete support pier 5 at the Bei Leiliang middle part and carry out cross-cut that support pier 5 exceeds with satisfied design peak load and certain security insurance coefficient is arranged.More than one support pier 5 is arranged at the below at matrix 1 middle part, and the top of support pier 5 is provided with pallet 6, is provided with steel plate 7 between pallet 6 and the matrix 1.The two ends of matrix 1 are fixed in the outside, the hat beam 14 places concrete foundation 9 of band " U " type groove 15.Dividing into support pier 5 and matrix 1 two ends being fixed in the hat beam 14 places outsides concrete foundation 9 of band " U " type groove 15 mainly is to consider that beam-and-rail all was to be assembled by steel structure, is a flexible structure, and the top live load is appropriate to the occasion topples bearing.
Based on said structure, what the invention provides a kind of foundation ditch that is used to grow up crosses the beam-and-rail construction method, and its concrete steps are in work progress:
A, several pieces shellfish thunder sheets 4 were connected to form beam-and-rail matrix 1 by bearing pin, the two ends of matrix 1 were fixed in the outside, the hat beam 14 places concrete foundation 9 of band " U " type groove 15; Several pieces shellfish thunder sheets 4 all are fixed on the octal bracing frame 10, by 10 supportings of octal bracing frame.The upper/lower terminal of shellfish thunder sheet 4 is equipped with strengthens chord member 13, and the lower end of matrix 1 is provided with pad 12.By octal bracing frame 10 several pieces shellfish thunder sheets 4 are fixedly become a joint beam body; The reinforcement chord member 13 that the beam body of being made up of shellfish thunder sheet 4 adds by upper/lower terminal is as the support of live load, and by the pad 12 that matrix 1 lower end is provided with, strengthens the whole stressed sectional area of matrix 1 and shellfish thunder beam concrete foundation.
B, below matrix 1 middle part the more than one support pier 5 of installing, the top of this support pier 5 is provided with pallet 6, and installs steel plate 7 between pallet 6 and matrix 1;
C, above matrix 1, lay the steel sleeper 2 be used for installing gauntry crane track 3, to finish the construction of beam-and-rail.
In the present invention, one can guarantee original structure system (the hat beam integral system of active well) not to be applied design external loads in addition, does not destroy the constraint of original design system simultaneously; The 2nd, the beam body in the foundation ditch that can guarantee to grow up is guaranteed its resistance to overturning under the effect of live load.
The above only is a preferred implementation of the present invention, and protection scope of the present invention also not only is confined to the foregoing description, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art in the some improvements and modifications that do not break away under the principle of the invention prerequisite, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1, a kind of foundation ditch that is used to grow up crosses beam-and-rail, it is characterized in that: it comprises matrix (1) and is used for installing the steel sleeper (2) of gauntry crane track (3), steel sleeper (2) is fixed in the top of matrix (1), and described matrix (1) is formed by connecting by bearing pin by several pieces shellfish thunder sheets (4).
2, the foundation ditch that is used to grow up according to claim 1 crosses beam-and-rail, it is characterized in that: below, described matrix (1) middle part is provided with more than one support pier (5), the top of support pier (5) is provided with pallet (6), is provided with steel plate (7) between pallet (6) and the matrix (1).
3, the foundation ditch that is used to grow up according to claim 1 and 2 cross beam-and-rail, it is characterized in that: the two ends of described matrix (1) are fixed in the concrete foundation (9) of band " U " type groove.
4, a kind of foundation ditch that is used to grow up cross the beam-and-rail construction method, it is characterized in that step is:
A, several pieces shellfish thunder sheets (4) were connected to form beam-and-rail matrix (1) by bearing pin, the Guan Liang (14) that the two ends of matrix (1) is fixed in band " U " type groove (15) locates in the outside concrete foundation (9);
B, at matrix (1) middle part below installing more than one support pier (5), the top of this support pier (5) is provided with pallet (6), and installs steel plate (7) between pallet (6) and matrix (1);
C, lay in the top of matrix (1) and to be used for installing the steel sleeper (2) of gauntry crane track (3), to finish the construction of beam-and-rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910043235A CN101537968A (en) | 2009-04-28 | 2009-04-28 | Break-of-gauge beam for large and long foundation pits and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910043235A CN101537968A (en) | 2009-04-28 | 2009-04-28 | Break-of-gauge beam for large and long foundation pits and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101537968A true CN101537968A (en) | 2009-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910043235A Pending CN101537968A (en) | 2009-04-28 | 2009-04-28 | Break-of-gauge beam for large and long foundation pits and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101537968A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815606A (en) * | 2012-08-24 | 2012-12-12 | 浙江精工钢结构有限公司 | Device for realizing operation of mobile tower crane on structural floor and construction method |
| CN106121507A (en) * | 2016-08-15 | 2016-11-16 | 中交隧道工程局有限公司 | The operation platform of rotary drilling rig in foundation ditch |
-
2009
- 2009-04-28 CN CN200910043235A patent/CN101537968A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815606A (en) * | 2012-08-24 | 2012-12-12 | 浙江精工钢结构有限公司 | Device for realizing operation of mobile tower crane on structural floor and construction method |
| CN106121507A (en) * | 2016-08-15 | 2016-11-16 | 中交隧道工程局有限公司 | The operation platform of rotary drilling rig in foundation ditch |
| CN106121507B (en) * | 2016-08-15 | 2018-06-19 | 中交隧道工程局有限公司 | The construction platform of rotary drilling rig in foundation pit |
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Application publication date: 20090923 |