CN115288130A - Construction method for entering pipe pile into rock of steel trestle of sidewalk - Google Patents

Construction method for entering pipe pile into rock of steel trestle of sidewalk Download PDF

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Publication number
CN115288130A
CN115288130A CN202210987130.3A CN202210987130A CN115288130A CN 115288130 A CN115288130 A CN 115288130A CN 202210987130 A CN202210987130 A CN 202210987130A CN 115288130 A CN115288130 A CN 115288130A
Authority
CN
China
Prior art keywords
pipe pile
steel pipe
rock
steel
entering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210987130.3A
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Chinese (zh)
Inventor
范华猛
周泽兵
齐建
吴超
张光明
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China 19th Metallurgical Corp
Original Assignee
China 19th Metallurgical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China 19th Metallurgical Corp filed Critical China 19th Metallurgical Corp
Priority to CN202210987130.3A priority Critical patent/CN115288130A/en
Publication of CN115288130A publication Critical patent/CN115288130A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/005—Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/24—Prefabricated piles
    • E02D5/28—Prefabricated piles made of steel or other metals
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • E02D7/06—Power-driven drivers
    • E02D7/08—Drop drivers with free-falling hammer
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

Abstract

The invention relates to the field of road and bridge engineering, in particular to a construction method for entering a tubular pile of a steel trestle of an expressway into rock, which has simple, efficient and reliable operation procedures and comprises the following steps: a. firstly, implementing primary inserting and driving for the first time, and enabling the steel pipe pile to enter a rock layer of a river bed for fixing; b. secondly, impacting a rock layer of the river bed from the inside of the steel pipe pile by utilizing an impact drilling machine to form a pore channel until the designed rock-entering depth is reached, and removing slag; c. performing secondary inserting driving on the steel pipe pile to ensure that the bottom of the steel pipe pile reaches the bottom elevation position of the guide hole channel; d. graded broken stones are filled from the interior of the steel pipe pile by using a funnel, and the filled graded broken stones are impacted, extruded and compacted by using an impact hammer, so that the pile body and hole sites are densely filled, and the stability of a steel pipe pile foundation is ensured; e. and performing structural construction of a steel pipe pile connecting rod system, a steel pipe pile top bearing beam, a supporting cross beam, a Bailey beam supporting frame, a formed bridge deck and a railing on the steel pipe pile. The method is particularly suitable for the construction of entering the pipe piles of the steel trestle of the sidewalk into the rock.

Description

Construction method for entering pipe pile into rock of steel trestle of sidewalk
Technical Field
The invention relates to the field of road and bridge engineering, in particular to a construction method for entering a tubular pile into rock of a steel trestle of a sidewalk.
Background
The highway project in China is continuously in the construction peak situation, wherein a large number of medium and large bridge projects cross rivers and lakes, traffic at two banks is blocked, construction sidewalks cannot directly enter, and pile foundations, bearing platforms and pier column projects of the bridge projects are in rivers or water areas at the edges of the two banks. In order to realize the arrangement of a construction plane, communicate and connect the bridge part in the river and the construction areas on two banks into a whole and realize the guarantee of transportation, the important and key points are to get through the construction sidewalk and the construction platform on the river. Therefore, a construction access steel trestle crossing the river needs to be erected on the river beside the designed bridge to be used as a construction channel penetrating through the two banks of the river. The key construction system which is better and how to quickly insert the pipe pile of the steel trestle of the sidewalk into the rock always troubles the construction unit, and the work efficiency is improved, the progress is protected, the investment is saved, and the safety is protected.
The invention patent with application number CN202010151269.5 of patent application number "large-diameter lock-catch steel pipe pile rock-entering construction process" includes the following steps: pre-drilling holes by rotary drilling; making a steel pipe pile; sinking the steel pipe pile to 30cm above the rock surface; carrying out rotary drilling on a pile core and taking out soil; hammering the down-hole into the rock for 3m; after the pile core is drilled in a rotary drilling manner and soil is taken out, slowly placing the hammer head into the pile core through a drill rod, reversely rotating the down-the-hole hammer in the pile, blowing off the residual loose soil layer in the pile, and after the hammer head contacts an inner hoop of the pile and generates crisp sound, positively rotating to open the wing, and then completely opening 4-5 air compressors, wherein the air pressure is not less than 1.4Mpa, and the rotating speed is 3-4r/min; the steel pipe pile synchronously follows when the hammer head drills, and when the blown slag is changed into grey rock powder from yellow mud slag and the sinking speed is obviously reduced, the height of the steel pipe pile entering the rock top is recorded until the down-the-hole hammer enters the rock by 3 m. The main process of the patent comprises the following steps: leading the hole first, inserting the steel pipe pile to the rock stratum surface along the hole, blowing and cleaning the hole by secondary leading the hole, and following the steel pipe pile. The scheme comprises the following steps: 1. guiding is carried out twice (holes are easy to misplace, and the process is complicated); 2. the bottom of the steel pipe pile cannot be sealed during secondary hole guiding; 3. and the reinforcing measure and the like of the bottom of the steel pipe pile are not filled.
Disclosure of Invention
The invention aims to solve the technical problem of providing a construction method for entering the tubular pile of the steel trestle of the sidewalk, which has simple operation procedures, high efficiency and reliability.
The technical scheme adopted by the invention for solving the technical problem is as follows: the construction method for entering the pipe pile of the steel trestle of the sidewalk into the rock comprises the following steps: a. firstly, implementing primary inserting and driving for the first time, and enabling the steel pipe piles to enter a rock layer of a river bed for fixing; b. secondly, impacting a rock layer of the river bed from the inside of the steel pipe pile by utilizing an impact drilling machine to form a pore channel until the designed rock-entering depth is reached, and removing slag; c. performing secondary inserting and driving on the steel pipe pile to ensure that the bottom of the steel pipe pile reaches the bottom elevation position of the guide hole channel; d. graded broken stones are filled from the interior of the steel pipe pile by using a funnel, and the filled graded broken stones are impacted, extruded and compacted by using an impact hammer, so that the pile body and hole sites are densely filled, and the stability of the steel pipe pile foundation is ensured; e. and performing structural construction of a steel pipe pile connecting rod system, a steel pipe pile top bearing beam, a supporting cross beam, a Bailey beam supporting frame, a formed bridge deck and a railing on the steel pipe pile.
And step e, arranging a steel pipe pile top bearing beam on the top of the steel pipe pile, and arranging the steel pipe pile top bearing beam on the bottom of the supporting cross beam.
Further, in step d, a funnel is provided on the hammer drill.
Further, in step e, the supporting beam is a berey beam.
The beneficial effects of the invention are: when the device is actually used, the effect of quickly entering the pipe pile of the steel trestle of the sidewalk into the rock is well realized. Namely, the first primary inserting and beating is carried out to penetrate through a mud layer and enter a strong weathering layer; then, guiding the rock stratum to the designed rock-entering depth, and impacting a duct from the interior of the steel pipe pile to the designed rock-entering depth and removing slag by using an impact drilling machine; performing secondary inserting driving on the steel pipe pile to ensure that the bottom of the steel pipe pile reaches the bottom elevation position of the guide hole channel; and then graded broken stones are filled from the interior of the steel pipe pile, and impact compaction is carried out on the filled broken stones by using a battering ram, so that a pile body and hole positions are filled into a dense chamber, and the stability of the steel pipe pile foundation is improved. The invention is particularly suitable for the construction of entering the tubular pile of the steel trestle of the sidewalk into the rock.
Drawings
Fig. 1 is a schematic cross-sectional view of the design structure of the steel trestle according to the invention.
Fig. 2 is a schematic diagram of a steel pipe pile rock-entering pilot hole of the steel trestle.
Fig. 3 is a schematic filling diagram of the steel pipe pile of the steel trestle of the invention.
FIG. 4 is a schematic diagram of filling and tamping of the steel pipe pile of the steel trestle.
Labeled as: the device comprises a riverbed rock stratum 1, river water 2, a steel pipe pile 3, a steel pipe pile connecting rod system 4, a steel pipe pile top bearing beam 5, a supporting cross beam 6, a Bailey beam supporting frame 7, a formed bridge deck plate 8, a rail 9, an impact drilling machine 10, an impact crushing device 11, a funnel 12 and graded broken stones 13.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The pipe pile rock entering construction method of the steel trestle of the sidewalk as shown in figures 1, 2, 3 and 4 comprises the following steps: a. firstly, implementing primary inserting and driving for the first time, and enabling the steel pipe piles 3 to enter the rock stratum 1 of the river bed for fixing; b. secondly, impacting the river bed rock stratum 1 from the inside of the steel pipe pile 3 by utilizing an impact drilling machine 10 to form a pore channel until the designed rock-entering depth is reached, and removing slag; c. performing secondary inserting driving of the steel pipe pile 3 to ensure that the bottom of the steel pipe pile reaches the bottom elevation position of the guide hole channel; d. graded broken stones 13 are filled from the interior of the steel pipe pile 3 by using a funnel 12, and the filled graded broken stones 13 are impacted, extruded and compacted by using an impact hammer, so that the pile body and hole positions are tightly filled, and the stability of a steel pipe pile foundation is ensured; e. and performing structural construction of a steel pipe pile connecting rod system 4, a steel pipe pile top bearing beam 5, a supporting cross beam 6, a Bailey beam supporting frame 7, a formed bridge deck 8 and a railing 9 on the steel pipe pile 3.
In the conventional construction method system for inserting the steel pipe pile after leading the hole, the problem that the pore diameter of the formed hole is larger than the diameter of the pile can cause the situations of drill hole collapse and repeated crushing; in the conventional construction method of firstly guiding holes, filling concrete in water and then planting piles, personnel and tools can enter underwater operation and the like. The conventional construction method has the problems of multiple working procedures, low working efficiency, high cost, environmental pollution and the like. In actual use, in order to make the connection end between the steel pipe pile 3 and the supporting beam 6 more stable, the following scheme is preferred: the top of the steel pipe pile 3 is provided with a steel pipe pile top bearing beam 5, and the steel pipe pile top bearing beam 5 is arranged at the bottom of the supporting cross beam 6. Preferably, a profiled bridge deck 8 is provided on top of said supporting beams 6. Furthermore, a hammer drill 10 can be optionally arranged on the supporting beam 6, and the impact breaking device 11 is arranged on the hammer drill 10. In order to further reduce the weight of the supporting beam 6 while ensuring the stability, it is preferable that the supporting beam 6 is a beret beam. Preferably, a bailey beam support frame 7 is arranged in the support cross beam 6.
In order to facilitate the inputting of the graded broken stone 13 into the pit which is obtained by the impact crushing device 11 impacting on the rock layer 1 of the river bed, a funnel 12 is preferably arranged on the impact drilling machine 10, and the graded broken stone 13 can be input through the funnel 12. Preferably, the crawler crane and the impact drilling machine are adopted to work in a matched mode, and construction propulsion is achieved. And (3) impacting the rock layer of the river bed from the inside of the steel pipe pile 3 to a designed rock-entering depth by using an impact drilling machine 10, and removing slag.
In order to obtain a better impact effect, it is preferred that the impact breaking device 11 is an impact hammer. In order to make the connection between the steel pipe piles 3 more stable, it is preferable that a steel pipe pile connection rod system 4 be provided between the adjacent steel pipe piles 3.

Claims (4)

1. The construction method for entering the pipe pile of the steel trestle of the sidewalk into the rock is characterized by comprising the following steps:
a. firstly, implementing primary inserting and driving for the first time, and enabling the steel pipe piles (3) to enter a rock stratum (1) of a river bed to be fixed;
b. secondly, impacting the river bed rock stratum (1) from the inside of the steel pipe pile (3) by utilizing an impact drilling machine (10) to form a pore channel until the designed rock-entering depth is reached, and removing slag;
c. secondary inserting driving of the steel pipe pile (3) is carried out, and the bottom of the steel pipe pile is ensured to reach the bottom elevation position of the guide hole channel;
d. graded broken stones (13) are filled from the interior of the steel pipe pile (3) by using a funnel (12), and the filled graded broken stones (13) are impacted, extruded and compacted by using an impact hammer, so that the pile body and hole positions are tightly filled, and the stability of a steel pipe pile foundation is ensured;
e. and the steel pipe pile (3) is structurally constructed by a steel pipe pile connecting rod system (4), a steel pipe pile top bearing beam (5), a supporting cross beam (6), a Bailey beam supporting frame (7), a formed bridge deck (8) and a railing (9).
2. The pipe pile rock entering construction method of the sidewalk steel trestle according to claim 1, characterized by comprising the following steps: and e, arranging a steel pipe pile top bearing beam (5) at the top of the steel pipe pile (3), and arranging the steel pipe pile top bearing beam (5) at the bottom of the supporting cross beam (6).
3. The pipe pile rock-entering construction method of the sidewalk steel trestle bridge of claim 1 or 2, which is characterized in that: in step d, the hopper (12) is arranged on the percussion drill (10).
4. The pipe pile rock-entering construction method of the sidewalk steel trestle bridge of claim 1 or 2, which is characterized in that: in the step e, the supporting beam (6) is a Bailey beam.
CN202210987130.3A 2022-08-17 2022-08-17 Construction method for entering pipe pile into rock of steel trestle of sidewalk Pending CN115288130A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210987130.3A CN115288130A (en) 2022-08-17 2022-08-17 Construction method for entering pipe pile into rock of steel trestle of sidewalk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210987130.3A CN115288130A (en) 2022-08-17 2022-08-17 Construction method for entering pipe pile into rock of steel trestle of sidewalk

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CN115288130A true CN115288130A (en) 2022-11-04

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200445795Y1 (en) * 2009-04-21 2009-09-01 김기훈 Single Column Drilled Pier Foundation having Concrete Block for Surface Reinforcement
CN104404861A (en) * 2014-11-05 2015-03-11 中交第二航务工程局有限公司 Steel trestle provided with steel anchor pile and construction method of steel trestle
CN110924307A (en) * 2019-11-28 2020-03-27 中铁广州工程局集团桥梁工程有限公司 Trestle construction method for bare rock geology

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200445795Y1 (en) * 2009-04-21 2009-09-01 김기훈 Single Column Drilled Pier Foundation having Concrete Block for Surface Reinforcement
CN104404861A (en) * 2014-11-05 2015-03-11 中交第二航务工程局有限公司 Steel trestle provided with steel anchor pile and construction method of steel trestle
CN110924307A (en) * 2019-11-28 2020-03-27 中铁广州工程局集团桥梁工程有限公司 Trestle construction method for bare rock geology

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