CN113585273A - Earth-rock geological foundation pit forming construction method - Google Patents
Earth-rock geological foundation pit forming construction method Download PDFInfo
- Publication number
- CN113585273A CN113585273A CN202110903742.5A CN202110903742A CN113585273A CN 113585273 A CN113585273 A CN 113585273A CN 202110903742 A CN202110903742 A CN 202110903742A CN 113585273 A CN113585273 A CN 113585273A
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- foundation pit
- hole
- steel plate
- die
- ground
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 239000011435 rock Substances 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 238000009412 basement excavation Methods 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims abstract description 10
- 239000004575 stone Substances 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 210000003850 cellular structure Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses a forming construction method of an earthen stone geological foundation pit, which comprises the following steps: s1, slightly flattening the foundation pit position on the original ground, and placing a steel plate mold on the ground; s2, vertically inserting the breaking hammer into the ground through a hole of the steel plate die, digging a hole by using the breaking hammer until the depth of the hole meets the design requirement, and drawing out the breaking hammer; s3, inserting a hole plugging die into the pit dug by the breaking hammer; s4, vertically inserting and pulling out the breaking hammer according to the serial number, inserting the hole plugging die, and repeatedly operating until the hole plugging die is inserted into the last hole; s5, pulling out all hole plugging molds, and taking away the steel plate molds; and S6, connecting the holes in the foundation pit, and forming the foundation pit of the upright post of the protective fence. The invention accelerates the construction progress: compared with the traditional foundation pit excavation, the extrusion pore-forming of the crushing hammer head of the existing equipment is utilized, and resources are not wasted quickly. Meanwhile, the construction quality is ensured: the foundation pit quality is guaranteed, disturbance to peripheral rock soil is avoided, and disturbance of the bottom of the foundation pit is guaranteed.
Description
Technical Field
The invention relates to the field of engineering construction, in particular to a method for forming and constructing a geological foundation pit with soil and stones.
Background
The foundation pit is an indispensable ring in the capital construction process, however, foundation pit excavation construction methods are various, and are in a thousand-odd-state, soil-rock-filled geological excavation is difficult in the foundation pit excavation process, particularly small foundation pits, national standard protective fence foundation pits are 60 cm long and 70cm high, manual excavation is affected by soil-rock-filled rocks, construction cannot be performed when shovels touch the rocks every time, the progress is slow, the efficiency is low, the span of the 12-36-degree upright columns of the protective fence is generally 1.15m, if the excavation foundation pit is enlarged, the foundation pit and the foundation pit are connected to form a ditch, however, the protective fence upright columns and the sill are backfilled after installation is completed, backfilling is performed, backfilling is difficult and heavy due to the influence of the sill, and the efficiency is low.
Disclosure of Invention
The invention provides a method for forming and constructing a geological foundation pit with included soil and stones, which aims to overcome the problems.
The invention comprises the following steps:
s1, leveling the position of the foundation pit on the original ground, and placing a steel plate mold on the leveled ground;
s2, vertically inserting the breaking hammer into the ground through a hole of the steel plate die, extruding the ground through the breaking hammer to form a hole, and drawing out the breaking hammer when the depth of the hole meets the design requirement; inserting a plugging hole die into the hole; repeating the operation until all holes in the design requirement are inserted by the hole plugging die;
s3, discharging all hole plugging molds, and taking away the steel plate molds;
and S4, connecting holes in the foundation pit according to design requirements, and forming the foundation pit.
Further, leveling the original ground in S1 includes: leveling the original ground by using a breaking hammer according to the measured position until the original ground is leveled to meet the excavation requirement of the foundation pit and the installation requirement of the steel plate mold;
further, the steel plate die arrangement requirement includes: the steel plate mould is arranged at the measuring position and is stable on the ground, namely the steel plate mould does not move.
Further, the steel plate die is manufactured by punching holes on the steel plate according to design requirements.
Further, the hole plugging die comprises: the hole blocking die comprises a cone body and annular metal, wherein the lower end of the hole blocking die is the cone body, the cone body is formed by welding two sections of steel pipes with the same diameter as the breaking hammer, and the annular metal is welded at the upper end of the cone body.
Furthermore, after the steel plate die and the hole plugging die are taken away, the periphery of the foundation pit is manually cleaned until the periphery of the foundation pit is vertically arranged to meet the design requirements.
The invention accelerates the construction progress: compared with traditional foundation pit excavation, 0.6 x 0.6m foundation pit excavation is difficult, and no matter how far the excavation is performed with equipment, the excavation progress is slow because the excavation soil and stone inclusion geology seems anecdotal, and the extrusion pore-forming of the broken hammer head of the existing equipment is not only quick but also is not wasted resources. Meanwhile, the construction quality is ensured: the breaking hammer is used for digging the pit, namely the pit is formed by extrusion, so that the quality of the foundation pit is guaranteed while the requirement of design specifications is met, the disturbance to the peripheral rock soil and the bottom of the foundation pit is not caused and guaranteed like the traditional foundation pit excavation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a block diagram of the breaking hammer of the present invention;
FIG. 3 is a structural diagram of a steel plate mold according to the present invention;
fig. 4 is a view showing the structure of the plugging hole die of the present invention.
The reference numbers illustrate:
1. a breaking hammer; 2. a steel plate mold; 21. a diagonal first hole; 22. a diagonal second hole; 3. and (4) a hole plugging die.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention includes:
s1, leveling the position of the foundation pit on the original ground, and placing the steel plate mold 2 on the leveled ground;
particularly, the original ground is level and smooth, according to the position of measuring the unwrapping wire, levels original ground with quartering hammer 1, and the level and smooth specification in original ground must satisfy the foundation ditch excavation demand, also must satisfy the steel sheet mould and settle. The setting of the steel plate mold 2 includes: after the original ground is leveled, the steel plate die 2 is arranged according to the position of the measurement paying-off, and the steel plate die 2 is closely matched and stable with the original ground.
S2, vertically inserting the breaking hammer 1 into the ground through the hole of the steel plate die 2, extruding the ground through the breaking hammer 1 to form a hole, and drawing out the breaking hammer 1 when the depth of the hole meets the design requirement; inserting a plugging hole die into the hole; repeating the operation until all holes in the design requirement are inserted by the hole plugging die;
particularly, the quartering hammer inserts the first hole 21 of diagonal of steel sheet mould, and quartering hammer does not collide steel sheet mould 2 all around as far as possible when inserting, prevents that the foundation ditch from shifting, and the degree of depth targets in place the back, and quartering hammer 1 rocks all around gently, prevents that quartering hammer 1 from extracting and takes earth all around out, damages the foundation ditch shape, and construction at every turn all needs rock all around gently. The hole blocking die 3 is formed by welding steel pipes with the same diameter as the breaking hammer, the lower end of the hole blocking die is a cone, and the upper end of the hole blocking die is welded with annular metal, so that the hole blocking die is convenient to place. Every hole is punched and is all stopped up with stifled hole mould 3, prevents that next hole is bayonet from extruding the closely knit preceding hole, what number of stifled hole mould 3 of how many holes are needed to steel sheet mould 2. The breaking hammer 1 is inserted into the diagonal second holes 22, the diagonal second holes 22 are located on a diagonal line, and the breaking hammer jacks are sequentially and symmetrically arranged, so that the accuracy of the position of the foundation pit is maintained, and the foundation pit cannot be deviated.
S3, pulling out all the hole plugging molds 3, and taking the steel plate molds 2 away;
particularly, after all holes are inserted and beaten, all hole plugging molds 3 are extracted, the hole plugging molds 3 are also extracted according to the inserting and beating sequence, the manual work is extracted, the holes are forcefully shaken all around before being extracted, the holes are prevented from being adhered to all around soil, and the smooth and smooth hole diameter is ensured. And taking away the steel plate die 2, and after the hole plugging die 3 is pulled out, taking away the steel plate die 2, and placing the steel plate die stably for next recycling.
And S4, connecting holes in the foundation pit according to design requirements, and forming the foundation pit.
Particularly, clear up the mud rib in the foundation ditch, steel sheet mould 2 and stifled hole mould 3 take the back away, and the foundation ditch forms a plurality of cellular structure that have the hole, shovels cellular structure through the manual work, and the foundation ditch is perpendicular clearance all around and targets in place, guarantees that the foundation ditch hangs down the straightness and satisfies the designing requirement all around, prevents to become centrum foundation ditch.
Has the advantages that:
1. accelerating the construction progress: compared with traditional foundation pit excavation, 0.6 x 0.6m foundation pit excavation is difficult, and no matter how far the excavation is performed with equipment, the excavation progress is slow because the excavation soil and stone inclusion geology seems anecdotal, and the extrusion pore-forming of the broken hammer head of the existing equipment is not only quick but also is not wasted resources.
2. The construction quality is ensured: adopt the quartering hammer to dig the hole, extrude into the hole promptly, both satisfied design standard's requirement, guarantee foundation ditch quality again, can not cause the disturbance and guarantee the disturbance of foundation ditch bottom to peripheral ground like traditional foundation ditch excavation yet.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A forming construction method for a soil-rock geological foundation pit is characterized by comprising the following steps:
s1, leveling the position of the foundation pit on the original ground, and placing a steel plate mold (2) on the leveled ground;
s2, vertically inserting the breaking hammer (1) into the ground through a hole of the steel plate die (2), extruding the ground through the breaking hammer (1) to form a hole, and drawing out the breaking hammer (1) when the depth of the hole meets the design requirement; inserting a plugging hole die (3) into the hole; repeatedly operating until all holes in the design requirement are inserted by the hole plugging die (3);
s3, pulling out all the hole plugging molds (3), and taking the steel plate molds (2) away;
and S4, connecting the holes in the foundation pit according to design requirements, and forming the foundation pit.
2. The method for forming and constructing a soil-filled stone geological foundation pit according to claim 1, wherein the step of leveling the original ground in S1 comprises the following steps: according to the measured position, leveling the original ground by using a breaking hammer (1) until the original ground is leveled, and meeting the foundation pit excavation requirement and the steel plate mold (2) arrangement requirement;
the steel plate mould (2) arrangement requirement comprises: the steel plate die (2) is arranged at the measuring position, and the steel plate die (2) is stable on the ground, namely the steel plate die (2) does not move on the ground.
3. The method for forming and constructing an earthwork pit according to claim 1, wherein the steel plate mold (2) is formed by punching holes on a steel plate according to design requirements.
4. The method for forming and constructing a soil-filled stone geological foundation pit according to claim 1, wherein the hole blocking mould (3) comprises: the hole blocking die comprises a cone body and annular metal, wherein the lower end of the hole blocking die (3) is the cone body, the cone body is formed by welding two sections of steel pipes with the same diameter as that of the breaking hammer (1), and the annular metal is welded at the upper end of the cone body.
5. The method for forming and constructing the soil-filled stone geological foundation pit according to claim 1, characterized in that after the steel plate mold (2) and the hole plugging mold (3) are taken away, the periphery of the foundation pit is manually cleaned until the verticality of the periphery of the foundation pit meets the design requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903742.5A CN113585273A (en) | 2021-08-06 | 2021-08-06 | Earth-rock geological foundation pit forming construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903742.5A CN113585273A (en) | 2021-08-06 | 2021-08-06 | Earth-rock geological foundation pit forming construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113585273A true CN113585273A (en) | 2021-11-02 |
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ID=78255932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110903742.5A Pending CN113585273A (en) | 2021-08-06 | 2021-08-06 | Earth-rock geological foundation pit forming construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN113585273A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9914111D0 (en) * | 1999-05-18 | 1999-08-18 | Murray Thomas G | A tool |
| WO2012099288A1 (en) * | 2011-01-21 | 2012-07-26 | 주식회사 거원엔지니어링 | Reusable and reinforceable soil retaining wall and method of constructing same |
| CN111119191A (en) * | 2019-12-18 | 2020-05-08 | 中建三局基础设施建设投资有限公司 | Rock foundation pit guide hole type non-blasting excavation method |
| WO2020173100A1 (en) * | 2019-02-26 | 2020-09-03 | 济南轨道交通集团有限公司 | Reinforcement apparatus and construction method for local freezing reinforcement of deep foundation pit in water-rich sand gravel stratum |
| CN111733827A (en) * | 2020-06-29 | 2020-10-02 | 中铁六局集团天津铁路建设有限公司 | Station yard deep foundation pit protection construction method under adjacent high-speed rail complex environment silt geology |
| CN213836676U (en) * | 2020-12-01 | 2021-07-30 | 中交一航局第三工程有限公司 | Foundation ditch excavation steel sleeve supporting device |
-
2021
- 2021-08-06 CN CN202110903742.5A patent/CN113585273A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9914111D0 (en) * | 1999-05-18 | 1999-08-18 | Murray Thomas G | A tool |
| WO2012099288A1 (en) * | 2011-01-21 | 2012-07-26 | 주식회사 거원엔지니어링 | Reusable and reinforceable soil retaining wall and method of constructing same |
| WO2020173100A1 (en) * | 2019-02-26 | 2020-09-03 | 济南轨道交通集团有限公司 | Reinforcement apparatus and construction method for local freezing reinforcement of deep foundation pit in water-rich sand gravel stratum |
| CN111119191A (en) * | 2019-12-18 | 2020-05-08 | 中建三局基础设施建设投资有限公司 | Rock foundation pit guide hole type non-blasting excavation method |
| CN111733827A (en) * | 2020-06-29 | 2020-10-02 | 中铁六局集团天津铁路建设有限公司 | Station yard deep foundation pit protection construction method under adjacent high-speed rail complex environment silt geology |
| CN213836676U (en) * | 2020-12-01 | 2021-07-30 | 中交一航局第三工程有限公司 | Foundation ditch excavation steel sleeve supporting device |
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Application publication date: 20211102 |
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| RJ01 | Rejection of invention patent application after publication |