WO2020098041A1 - Pieu tubulaire en acier cémenté - Google Patents

Pieu tubulaire en acier cémenté Download PDF

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Publication number
WO2020098041A1
WO2020098041A1 PCT/CN2018/121140 CN2018121140W WO2020098041A1 WO 2020098041 A1 WO2020098041 A1 WO 2020098041A1 CN 2018121140 W CN2018121140 W CN 2018121140W WO 2020098041 A1 WO2020098041 A1 WO 2020098041A1
Authority
WO
WIPO (PCT)
Prior art keywords
pile
plate
steel pipe
pile body
cement steel
Prior art date
Application number
PCT/CN2018/121140
Other languages
English (en)
Chinese (zh)
Inventor
梁兆镛
Original Assignee
佛山市高明顺高木业有限公司
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 佛山市高明顺高木业有限公司 filed Critical 佛山市高明顺高木业有限公司
Publication of WO2020098041A1 publication Critical patent/WO2020098041A1/fr

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Classifications

    • 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
    • E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
    • 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
    • E02D5/62—Compacting the soil at the footing or in or along a casing by forcing cement or like material through tubes

Definitions

  • the invention relates to the technical field of building materials, in particular to a concrete steel pipe pile.
  • Wooden houses are very popular in North America, and in the context of the new era and new trends, young people in China are pursuing the enjoyment and experience of beauty, and wooden houses are also gradually popular in China. Most of the wooden houses are built in the places near the mountains and the water, suitable for self-cultivation, leisure, entertainment, and relaxation. Whether on the hillside or plain grass, a variety of wooden cabin styles can be built. The design is flexible and diverse.
  • the wooden house is lighter in weight. Therefore, in order to improve the stability of the wooden house, it is not easy to be blown down by the strong wind.
  • the pile is driven into the ground below the wooden house, and then the wooden house is fixed on the pile.
  • the piles used are all of the structure shown in Figure 1.
  • the pile is composed of a steel tube in the upper section and a screw-shaped section in the lower section. This pile is planted on the ground by screw driving, but this structure exists
  • the shortcoming is that the external tension of the pile depends entirely on the frictional force of the steel pipe wall and the surface of the steel plate in contact with the soil, but the surface of the steel pipe of the pile is smooth, the friction is limited, and it is easy to be pulled up.
  • the soil will enter the inside of the steel cylinder or eventually emerge from the top of the steel cylinder, causing the inside of the steel cylinder to form a blockage, or the emerging soil will affect the external drive into the equipment.
  • the present invention overcomes the shortcomings of the prior art, and provides a cement steel pipe pile with a stable structure and a cross-shaped design of the pile mouth, which has strong rigidity, and the deflector can prevent the hard soil from entering the pile during the process of planting into the ground ⁇ Body inside.
  • a cement steel pipe pile includes a pile body, the pile body is a hollow design pipe body, a pile cap is provided above the pile body, a feed inlet is reserved on the pile cap, and the pile body A pile spout is also provided below, the feed inlet is in communication with the pile body, the pile body is in communication with the pile spout, and a spoiler is provided on the pile spout.
  • the spout includes a first plate and a second plate, the first plate and the second plate are arranged in a cross shape, and the first plate and the second plate have the same thickness, A first slot is provided on the first plate, a second slot is provided on the second plate, and the first slot of the first plate is inserted into the second slot of the second plate
  • the groove can fix the first plate and the second plate to each other.
  • the angle formed by the extension lines of the two hypotenuses on the outer side of the lower end of the first plate and the sharpest angle of the lowermost end of the second plate are acute angles, so as to facilitate insertion into the ground.
  • the deflector is provided at an angle formed by the intersection of the first and second plates, and the opening formed by the deflector and the first and second plates surrounds on.
  • both the first and second plates are provided with a first assembling groove and a second assembling groove, and the first assembling groove and the second assembling groove on the first or second plate The distance between them is consistent with the pipe diameter of the pile body, and the lower end of the pile body is connected and installed on the first installation groove and the second installation groove.
  • the first plate and the second plate are also provided with clamping positions on both sides.
  • the pile cap is further provided with a mounting groove.
  • the thickness of the deflector is 3 to 5 mm.
  • the outer surfaces of the pile body, pile cap, pile nozzle and deflector are all provided with anti-rust paint.
  • the pile mouth of the invention adopts a cross-shaped design, which has strong rigidity, and is not easy to deform during the process of planting into the ground, and a deflector is provided at the pile mouth to block large pieces of soil and hard objects from entering the pile body;
  • the external high-pressure cement pump is used to inject the prepared cement mortar from the inlet of the pile cap.
  • the cement mortar encounters the deflector block, it will change from a vertical fall motion to a lateral expansion motion.
  • the cement mortar is more concentrated around the pile mouth, forming an effective cement block structure, maximizing the forming volume of the cement block under the pile body, on the one hand, because the interior of the pile body is also filled with cement mortar, it increases
  • the cement block formed in turn firmly locks the pile mouth, so that the pile is solidified in the depth of the ground surface, and it is not easy to shake or be pulled away.
  • the wooden house is locked on the pile through the installation groove on the pile cap, and the fall resistance is strong.
  • Figure 1 is a schematic diagram of the structure of the pile currently used in the wooden house
  • FIG. 2 is a schematic structural view of the new type of cement steel pipe pile of the present invention.
  • 3 is a plan view of the pile nozzle and the pile body after separation
  • Fig. 6 is a plan view of the pile cap.
  • FIG. 1 it is a schematic diagram of the structure of a pile currently used in a wooden house.
  • the pile is composed of a steel tube in the upper section and a screw-shaped structure in the lower section.
  • This pile is planted on the ground by screw driving, but
  • the shortcoming of this structure is that the external tension of the pile depends entirely on the frictional force of the steel tube wall and the surface of the steel plate in contact with the soil, but the surface of the steel tube of the pile is smooth, the frictional force is limited, and it is easy to be pulled up and carried. Not strong enough.
  • a cement steel pipe pile As shown in FIGS. 2 to 6, a cement steel pipe pile according to the present invention includes a pile body 1, which is a hollow design pipe body, which is made of stainless steel and welded above the pile body 1 There is a pile cap 2, a feed inlet 21 is reserved on the pile cap 2, a pile nozzle 3 is also provided below the pile body 1, the feed port 231 communicates with the pile body 1, and the pile body 1 communicates with the pile nozzle 2, so from The feeding port 231 is filled with cement mortar, and it will fall directly along the pile body 1 to the pile nozzle 2.
  • the deflector 4 is provided on the pile nozzle 3, and the deflector 4 is welded and fixed on the pile nozzle 3;
  • the pile nozzle 3 includes
  • the first plate 31 and the second plate 32, the first plate 31 and the second plate 32 are arranged in a cross shape, and this cross-shaped cross arrangement achieves the function of strengthening the overall structure of the spout 3 and improving the Impact resistance, the first plate 31 and the second plate 32 have the same thickness, and a first slot 311 is provided on the first plate 31, a second slot 321 is provided on the second plate 32, The first slot 311 of the first plate 31 is inserted into the second slot 321 of the second plate 32, and the first plate 31 and the second plate 32 can be fixed to each other.
  • first plate 31 and the second plate 32 In addition, during production, It is necessary to weld the intersection of the first plate 31 and the second plate 32 with a welding machine, so that the first plate 31 and the second plate 32 are fixed and integrated, and it is not easy to separate; in addition, the first plate
  • the angle formed by the extension lines of the two oblique sides outside the lower end of the sheet 31 and the lowermost sharp angle of the second plate 32 are both acute angles. In this embodiment, the angle between the included angle and the sharp angle is 45 °, which is set to an acute angle. Conducive to planting in the mud during construction.
  • the deflector 4 is welded at four angles formed by the intersection of the first plate 31 and the second plate 32, and the opening formed by the deflector 4 and the first plate 31 and the second plate 32 is upward,
  • the purpose of the deflector 4 is that when the present invention is planted in the mud, it has a certain blocking effect on large pieces of soil and hard objects, so that they cannot enter the interior of the pile 1; when pouring into the pile of the present invention
  • the thickness of the deflector 4 can be 3 to 5mm, in this embodiment, the thickness is 4mm; as shown in Figure 3, in this embodiment, the deflector 4
  • the number is 4 pieces, and the diameter formed by the 4 deflectors 4 is slightly larger than the diameter and width of the pile body 1 to achieve the blocking effect.
  • the first mounting groove 5 and the second mounting groove 6 are provided on both the first plate 31 and the second plate 32, and the first mounting groove 5 and the second mounting groove on the first plate 31 or the second plate 32
  • the distance between 6 and the diameter of the pile body 1 is the same. Therefore, in production, the lower end of the pile body 1 is directly inserted into the first installation groove 5 and the second installation groove 6, and then the pile body 1
  • the joint between the lower end of the first mounting groove 5 and the second mounting groove 6 is welded with a welding machine, and the pile nozzle 3 and the pile body 1 can be welded together.
  • the first plate 31 and the second plate 32 are also provided with a clamping position 7 on both sides.
  • the clamping position 7 serves as a clamping position, which helps to enhance the pull-out resistance of the present invention.
  • the outer surfaces of the pile body 1, pile cap 2, pile mouth 3 and deflector 4 are all provided with anti-rust paint, which can be selected from polyurethane anti-rust paint. And the deflector 4 has an anti-rust effect to avoid corrosion and oxidation and prolong the service life.
  • the pile cap 2 is also provided with an installation slot 22 for installing bolts with the bottom of the wooden house to fix the wooden house.
  • the working principle of the present invention is that the pile head 4 faces downwards, and the invention is driven into the mud ground. Due to the arrangement of the deflector 4, it has a blocking effect on large pieces of soil and hard objects, so the pile body 1 is basically maintained In the hollow state, the external high-pressure cement pump is used to inject the prepared cement mortar from the inlet 21 of the pile cap 2. When the cement mortar encounters the deflector 4, it will change from a vertical fall motion to a lateral expansion motion, so that Cement mortar gathers more around the pile mouth 4 to form an effective cement block structure, which maximizes the formation volume of the cement block under the pile body 1.
  • the pile body is also filled with cement mortar, so it increases The pile bearing force and gravity, on the other hand, the cement block formed in turn firmly locks the pile mouth 4, so that the pile is solidified in the depth of the ground surface, and it is not easy to shake or be pulled away.
  • the wooden house is locked on the pile through the installation groove 22 on the pile cap 2 and has strong anti-falling ability.
  • the structure in which the spout 4 is welded and formed by a multi-discriminating triangular piece also falls within the protection scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

La présente invention concerne un pieu tubulaire en acier cémenté comprenant un corps de pieu (1), le corps de pieu (1) étant un corps de tube creux, une coiffe de pieu (2) étant disposée au-dessus du corps de pieu (1), la coiffe de pieu (2) présentant une entrée d'alimentation (21) réservée sur celle-ci, un sabot de pieu (3) étant disposé au-dessous du corps de pieu (1), l'entrée d'alimentation (21) étant en communication avec le corps de pieu (1), le corps de pieu (1) étant en communication avec le sabot de pieu (3), et une plaque de guidage d'écoulement (4) étant disposée sur le sabot de pieu (3). Le pieu tubulaire en acier cémenté possède une structure stable, le sabot de pieu (3) a une conception en forme de croix, la plaque de guidage d'écoulement peut empêcher le sol dur d'entrer dans le corps de pieu (1) lors du processus de mise en place du pieu tubulaire en acier cémenté dans le sol, et une fois que le mortier de ciment versé dans le corps de pieu (1) a durci, une extrémité inférieure du corps de pieu (1) peut être bloquée dans un bloc de ciment durci depuis l'extérieur, générant ainsi une section transversale plus grande afin d'améliorer la capacité de support de ce dernier.
PCT/CN2018/121140 2018-11-14 2018-12-14 Pieu tubulaire en acier cémenté WO2020098041A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811351663.2A CN109457695A (zh) 2018-11-14 2018-11-14 一种水泥钢管桩
CN201811351663.2 2018-11-14

Publications (1)

Publication Number Publication Date
WO2020098041A1 true WO2020098041A1 (fr) 2020-05-22

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Application Number Title Priority Date Filing Date
PCT/CN2018/121140 WO2020098041A1 (fr) 2018-11-14 2018-12-14 Pieu tubulaire en acier cémenté

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CN (1) CN109457695A (fr)
WO (1) WO2020098041A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB796262A (en) * 1956-10-05 1958-06-11 Mueller Ludwig Improvements in or relating to piles
CN101245598A (zh) * 2007-02-16 2008-08-20 夏传清 复合式沉管灌注桩施工工艺及其沉管桩尖和沉管
CN102677666A (zh) * 2012-05-03 2012-09-19 山东鸿泰建设集团有限公司 一种混凝土成桩工艺及其专用钻机
CN202595729U (zh) * 2012-05-03 2012-12-12 山东鸿泰建设集团有限公司 一种混凝土成桩工艺的专用钻机
CN106013098A (zh) * 2016-07-14 2016-10-12 淮海工学院 微型钢管桩及注浆加固方法
CN205822174U (zh) * 2016-07-14 2016-12-21 淮海工学院 微型钢管桩

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209941671U (zh) * 2018-11-14 2020-01-14 佛山市高明顺高木业有限公司 一种新型的水泥钢管桩

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB796262A (en) * 1956-10-05 1958-06-11 Mueller Ludwig Improvements in or relating to piles
CN101245598A (zh) * 2007-02-16 2008-08-20 夏传清 复合式沉管灌注桩施工工艺及其沉管桩尖和沉管
CN102677666A (zh) * 2012-05-03 2012-09-19 山东鸿泰建设集团有限公司 一种混凝土成桩工艺及其专用钻机
CN202595729U (zh) * 2012-05-03 2012-12-12 山东鸿泰建设集团有限公司 一种混凝土成桩工艺的专用钻机
CN106013098A (zh) * 2016-07-14 2016-10-12 淮海工学院 微型钢管桩及注浆加固方法
CN205822174U (zh) * 2016-07-14 2016-12-21 淮海工学院 微型钢管桩

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