CN105780782A - Oblique support and steel retaining purlin slip preventing device with piles constructed by SMW construction process - Google Patents
Oblique support and steel retaining purlin slip preventing device with piles constructed by SMW construction process Download PDFInfo
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- CN105780782A CN105780782A CN201610329182.6A CN201610329182A CN105780782A CN 105780782 A CN105780782 A CN 105780782A CN 201610329182 A CN201610329182 A CN 201610329182A CN 105780782 A CN105780782 A CN 105780782A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses an oblique support and steel retaining purlin slip preventing device with piles constructed by an SMW construction process. The slip preventing device comprises steel retaining purlins and a plurality of oblique steel supports and is characterized by further comprising a plurality of mixing piles, inner inserted type steel and anti-shear piers, wherein the plurality of mixing piles are drilled and mixed through the SMW construction process, and the adjacent mixing piles are engaged with each other so as to form an underground wall body; the inner inserted type steel is vertically inserted in the mixing piles; the steel retaining purlins are transversely fixed to the side surfaces of the mixing piles; concrete at the connection parts of the mixing piles and the steel retaining purlins is leveled so as to weld the steel retaining purlins with the inner inserted type steel; the anti-shear piers are fixed to the steel retaining purlins; and one sides of the anti-shear piers are clamped between the inner inserted type steel and the steel retaining purlins and are welded with the inner inserted type steel. The slip preventing problem of the oblique steel supports is solved through arranging the inner inserted type steel in the piles constructed by the SMW construction process, the stability of the oblique steel supports in the horizontal direction is improved, and the whole stability of a support system and the safety of a foundation pit are improved.
Description
Technical field
The present invention relates to a kind of SMW engineering method stake bearing diagonal steel and enclose purlin resistant slide device, it is applied to the deep-foundation pit engineering fields such as railway traffic engineering, building engineering, port and pier, it is adaptable to adopt SMW engineering method stake as base pit engineering as inner support of building enclosure and bracing members.
Background technology
In the accessory structure base pit engineering of subway station, SMW engineering method stake is a kind of common supporting type as the building enclosure of foundation ditch, and the accessory structure foundation ditch such as gateway, wind booth would generally adopt bracing members as the inner support system of foundation ditch.Owing to accessory structure foundation ditch flat shape is general all comparatively irregular, so certainly exist oblique steel support and be connected with engineering method pile-type steel, and the problem that the horizontal component that oblique steel supports can bring bracing members and engineering method pile-type steel shearing resistance.
Deviation due to SMW engineering method pile driving construction process Shaped Steel location, perpendicularity; normally result in and enclose purlin and weld irregularity with shaped steel; the resistant slide so oblique steel supported is particularly disadvantageous; in present situation designs, engineering method pile-type steel, the resistant slide that encloses purlin and bracing members also lack comparatively effective measures; often occurring that oblique steel supports and encloses the loosening situation about even coming off of purlin, the safety of foundation pit supporting system has been arrived in serious threat.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art part, and provide a kind of SMW engineering method stake bearing diagonal steel to enclose purlin resistant slide device.It solve oblique steel and be supported in SMW engineering method stake interpolation shaped steel the problem of resistant slide, add the stability in oblique steel support level direction, and then add the stability in the large of support system and the safety of foundation ditch.
It is an object of the invention to be reached by following measure: a kind of SMW engineering method stake bearing diagonal steel encloses purlin resistant slide device, enclose purlin including steel and several oblique steels support, it is characterized in that: also include mixing pile, interpolation shaped steel and shearing resistance pier, several described mixing piles are formed by SMW engineering method drilling and stirring and are mutually twisted formation underground wall body between adjacent mixing pile, described interpolation shaped steel is inserted vertically in mixing pile, described steel encloses purlin and is secured transverse to the side of several mixing piles, several mixing piles enclose the concrete leveling of purlin junction and make steel enclose purlin and interpolation shaped steel welds with steel, described shearing resistance pier is fixed on steel and encloses on purlin, described shearing resistance pier side is stuck in interpolation shaped steel and steel encloses between purlin and welds with interpolation shaped steel.
Further, described steel enclose purlin by Plate Welding on interpolation shaped steel.
Further, support place of every described oblique steel is correspondingly arranged at least one shearing resistance pier.
Further, described shearing resistance pier includes the first steel plate of rectangle, second steel plate of right-angled trapezium and the 3rd steel plate of rectangle, described first steel plate is laid in steel and encloses the medial surface of purlin and enclose the medial surface of purlin with steel and weld, the part steel plate of described first steel plate is inserted in steel and encloses between purlin and interpolation shaped steel, described first steel plate is inserted in the part steel plate that steel encloses between purlin and interpolation shaped steel and welds mutually with interpolation shaped steel, described first steel plate is vertically welded with at least one horizontally set second steel plate, described 3rd steel plate be disposed longitudinally on the first steel plate and with the first steel plate vertical welding, the long base of described second steel plate and the 3rd steel plate vertical welding, described 3rd steel plate abuts against on interpolation shaped steel.
Further, described steel encloses purlin and bears the end of oblique steel support level component and be provided with anti-shear steel plate, described steel is enclosed purlin and is enclosed with steel by anti-shear steel plate that the interpolation shaped steel of purlin end is fixing to be connected, described anti-shear steel plate is right angled triangle, and the right-angle side of described anti-shear steel plate encloses purlin respectively with steel and steel encloses the interpolation shaped steel of purlin end and welds.
Further, described anti-shear steel plate and steel enclose and are fixed with junction steel plate between the interpolation shaped steel of purlin end, and the one side of described junction steel plate is welded with at least one anti-shear steel plate, and the another side of described junction steel plate welds with interpolation shaped steel.
Further, described anti-shear steel plate and steel enclose and are fixed with steel plate between purlin, and described anti-shear steel plate is welded on steel plate, and Plate Welding encloses on purlin at steel.
Further, described interpolation shaped steel is H profile steel.
The present invention has had the advantage that: the present invention is provided with shearing resistance pier, and shearing resistance pier encloses purlin with steel respectively and interpolation shaped steel welds, and forms the horizontal component that an entirety opposing oblique steel supports.Meanwhile, the end enclosing purlin at steel is provided with anti-shear steel plate, the horizontal component that opposing oblique steel supports further, adds the stability in oblique steel support level direction.Therefore, designed resistant slide device has the advantages such as design and easy construction, economical rationality, increase deep pit monitor, to adopting SMW engineering method stake to have the very big suitability as building enclosure, bracing members as the subway accessory structure base pit engineering of inner support system, possess certain economic results in society.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is A-A cross-sectional view in Fig. 1.
Fig. 3 is that in Fig. 2, steel encloses purlin and shearing resistance pier welded structure schematic diagram.
Fig. 4 is B-B cross-sectional view in Fig. 1.
Fig. 5 is the perspective view that in Fig. 1, shearing resistance pier and interpolation shaped steel connect.
The structural representation of Fig. 6 a, Fig. 6 b, Fig. 6 c respectively the first steel plate, the second steel plate and the 3rd steel plate.
In figure, 1, mixing pile, 2, interpolation shaped steel, 3, oblique steel support, 4, steel enclose purlin, 5, shearing resistance pier, (wherein, the 501, first steel plate, the 502, second steel plate, the 503, the 3rd steel plate), 6, anti-shear steel plate, 7, junction steel plate.
Detailed description of the invention
Describe the performance of the present invention below in conjunction with accompanying drawing in detail, but it is not intended that limitation of the invention, only illustrates.Simultaneously by illustrating, advantages of the present invention will become clearer from easy to understand.
As shown in Figure 1: a kind of SMW engineering method stake bearing diagonal steel encloses purlin resistant slide device, purlin 4, shearing resistance pier 5, anti-shear steel plate 6, junction steel plate 7 are enclosed including mixing pile 1, interpolation shaped steel 2, oblique steel support 3, steel.Several oblique steels support 3 is supported on steel and encloses on purlin 4, several described mixing piles 1 are formed by SMW engineering method drilling and stirring and are mutually twisted formation underground wall body between adjacent mixing pile 1, described interpolation shaped steel 2 is inserted vertically in mixing pile 1, described steel encloses purlin 4 and is secured transverse to the side of several mixing piles 1, several mixing piles 1 enclose the concrete leveling of purlin 4 junction and make steel enclose purlin 4 and interpolation shaped steel 2 welds with steel, as it is shown in figure 1, the dotted portion of several mixing piles 1 is mixing pile 1 is leveled part with steel encloses purlin 4 junction.Shearing resistance pier 5 is fixed on steel and encloses on purlin 4, and described shearing resistance pier 5 side is stuck in interpolation shaped steel 2 and steel encloses between purlin 4 and welds with interpolation shaped steel 2.Described steel encloses purlin 4 by Plate Welding on interpolation shaped steel 2, and the one side of steel plate is welded on steel and encloses purlin 4, and another side welds with interpolation shaped steel 2 phase.
As it is shown in figure 1, every oblique steel supports 3 places and is correspondingly arranged on two shearing resistance piers 5.Described shearing resistance pier 5 side is stuck in interpolation shaped steel 2 and steel encloses between purlin 4, forms an entirety opposing oblique steel and supports the horizontal component of 3.Steel encloses purlin 4 and bears oblique steel and support the end of 3 horizontal components and be provided with anti-shear steel plate 6, steel is enclosed purlin 4 and is enclosed with steel by anti-shear steel plate 6 that the interpolation shaped steel 2 of purlin 4 end is fixing to be connected, anti-shear steel plate 6 is right angled triangle, two right-angle sides of anti-shear steel plate 6 are separately fixed at steel and enclose on purlin 4 and interpolation shaped steel 2, the horizontal component that opposing oblique steel supports further, adds the stability in oblique steel support level direction.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, shearing resistance pier 5 includes the first steel plate the 501, second steel plate 502 and the 3rd steel plate 503.First steel plate 501 is laid in steel and encloses the medial surface of purlin 4 and enclose the medial surface of purlin 4 with steel and weld, and the part steel plate of the first steel plate 501 is inserted in steel and encloses between purlin 4 and interpolation shaped steel 2, and the part steel plate of the first steel plate 501 welds with interpolation shaped steel 2 phase.First steel plate 501 is vertically welded with the second steel plate 502 of two horizontally sets being parallel to each other, 3rd steel plate 503 be disposed longitudinally on the first steel plate 501 and with the first steel plate 501 vertical welding, the long base of the second steel plate 502 and the 3rd steel plate 503 vertical welding, the 3rd steel plate 503 abuts against on interpolation shaped steel 2.Wherein, interpolation shaped steel 2 is H profile steel, in actual applications, can also fix the parts being embedded the reinforcement stress such as channel-section steel, lattice column in mixing pile 1.
As shown in Fig. 6 a, Fig. 6 b, Fig. 6 c, the second steel plate 502 is right-angled trapezium, and the first steel plate 501 and the 3rd steel plate 503 are rectangle.Wherein, the length on the long base of the second steel plate 502 is identical with the 3rd steel plate 503 width.In actual applications, the second steel plate 502 can also triangle, rectangle.
As Figure 1 and Figure 4, anti-shear steel plate 6 and steel enclose and are fixed with junction steel plate 7 between the interpolation shaped steel 2 of purlin 4 end, and the one side of junction steel plate 7 is welded with two anti-shear steel plates 6 arranged in parallel, and the another side of junction steel plate 7 welds with interpolation shaped steel 2.Anti-shear steel plate 6 and steel enclose and are provided with steel plate between purlin 4, and anti-shear steel plate 6 is welded on steel plate, and Plate Welding encloses on purlin 4 at steel so that anti-shear steel plate 6 firm welding, further enhancing the stability of resistant slide device.In actual applications, anti-shear steel plate 6 can also be right-angled trapezium, rectangle.
In the above-described embodiments, SMW engineering method is to carry out drilling to certain depth at the scene with fountain type drilling blender, spray cement system hardening agent at drill bit place simultaneously and with foundation soil mix and blend repeatedly, overlapping lapping construction is then taked between each construction cell, then do not tie before firmly at soil cement mixture and insert stress reinforcing material, hard to cement knot, just formed and there is some strength and rigidity, continuous whole, jointless underground wall body together.
The present invention is when construction, and first leveling supports the mixing pile 1 at absolute altitude place, is welded on interpolation shaped steel 2 by shearing resistance pier 5, steel encloses purlin 4 afterwards and welds with interpolation shaped steel 2 and shearing resistance pier 5.After steel encloses purlin 4 construction, erection oblique steel supports 3.Wherein, for accelerating construction progress and convenience, shearing resistance pier 5 can be welded on interpolation shaped steel 2 as an integrated member after connecting by site welding before erection oblique steel supports 3.
Claims (8)
- null1. a SMW engineering method stake bearing diagonal steel encloses purlin resistant slide device，Enclose purlin (4) including steel and several oblique steels support (3)，It is characterized in that: also include mixing pile (1)、Interpolation shaped steel (2) and shearing resistance pier (5)，Several described mixing piles (1) are formed by SMW engineering method drilling and stirring and are mutually twisted formation underground wall body between adjacent mixing pile (1)，Described interpolation shaped steel (2) is inserted vertically in mixing pile (1)，Described steel encloses purlin (4) and is secured transverse to the side of several mixing piles (1)，Several mixing piles (1) enclose the concrete leveling of purlin (4) junction and make steel enclose purlin (4) and interpolation shaped steel (2) welds with steel，Described shearing resistance pier (5) is fixed on steel and encloses on purlin (4)，Described shearing resistance pier (5) side is stuck in interpolation shaped steel (2) and steel encloses between purlin (4) and welds with interpolation shaped steel (2).
- 2. SMW engineering method stake bearing diagonal steel according to claim 1 encloses purlin resistant slide device, it is characterised in that: described steel encloses purlin (4) by Plate Welding on interpolation shaped steel (2).
- 3. SMW engineering method stake bearing diagonal steel according to claim 1 encloses purlin resistant slide device, it is characterised in that: every described oblique steel supports (3) place and is correspondingly arranged at least one shearing resistance pier (5).
- null4. the SMW engineering method stake bearing diagonal steel according to claim 1 or 2 or 3 encloses purlin resistant slide device，It is characterized in that: described shearing resistance pier (5) includes first steel plate (501) of rectangle、Second steel plate (502) of right-angled trapezium and the 3rd steel plate (503) of rectangle，Described first steel plate (501) is laid in steel and encloses the medial surface of purlin (4) and enclose the medial surface of purlin (4) with steel and weld，The part steel plate of described first steel plate (501) is inserted in steel and encloses between purlin (4) and interpolation shaped steel (2)，Described first steel plate (501) is inserted in the part steel plate that steel encloses between purlin (4) and interpolation shaped steel (2) and welds mutually with interpolation shaped steel (2)，Described first steel plate (501) is vertically welded with at least one horizontally set the second steel plate (502)，Described 3rd steel plate (503) be disposed longitudinally on the first steel plate (501) upper and with the first steel plate (501) vertical welding，The long base of described second steel plate (502) and the 3rd steel plate (503) vertical welding，Described 3rd steel plate (503) abuts against on interpolation shaped steel (2).
- 5. SMW engineering method stake bearing diagonal steel according to claim 1 encloses purlin resistant slide device, it is characterized in that: described steel enclose purlin (4) bear oblique steel support (3) horizontal component end be provided with anti-shear steel plate (6), described steel is enclosed purlin (4) and is enclosed with steel by anti-shear steel plate (6) that the interpolation shaped steel (2) of purlin (4) end is fixing to be connected, described anti-shear steel plate (6) is right angled triangle, and the right-angle side of described anti-shear steel plate (6) encloses purlin (4) respectively with steel and steel encloses the interpolation shaped steel (2) of purlin (4) end and welds.
- 6. SMW engineering method stake bearing diagonal steel according to claim 5 encloses purlin resistant slide device, it is characterized in that: described anti-shear steel plate (6) and steel enclose and be fixed with junction steel plate (7) between the interpolation shaped steel (2) of purlin (4) end, being welded with at least one anti-shear steel plate (6) in the one side of described junction steel plate (7), the another side of described junction steel plate (7) welds with interpolation shaped steel (2).
- 7. the SMW engineering method stake bearing diagonal steel according to claim 5 or 6 encloses purlin resistant slide device, it is characterized in that: described anti-shear steel plate (6) and steel enclose and be fixed with steel plate between purlin (4), described anti-shear steel plate (6) is welded on steel plate, and Plate Welding encloses on purlin (4) at steel.
- 8. SMW engineering method stake bearing diagonal steel according to claim 1 encloses purlin resistant slide device, it is characterised in that: described interpolation shaped steel (2) is H profile steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610329182.6A CN105780782B (en) | 2016-05-18 | 2016-05-18 | A kind of SMW engineering methods stake bearing diagonal steel purlin antiskid moving device |
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| CN201610329182.6A CN105780782B (en) | 2016-05-18 | 2016-05-18 | A kind of SMW engineering methods stake bearing diagonal steel purlin antiskid moving device |
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| CN105780782A true CN105780782A (en) | 2016-07-20 |
| CN105780782B CN105780782B (en) | 2018-05-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107023019A (en) * | 2017-03-09 | 2017-08-08 | 中国建筑第八工程局有限公司 | Purlin and its construction method are enclosed in concrete assembled shaped steel mixing in foundation pit supporting construction |
| CN112030990A (en) * | 2020-07-31 | 2020-12-04 | 中铁第四勘察设计院集团有限公司 | Assembled concrete-filled steel tube supporting system and construction method thereof |
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|---|---|
| CN105780782B (en) | 2018-05-22 |
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