阅读说明：本技术 一种输油管线群保护箱涵结构 (Oil pipeline group protection box culvert structure ) 是由 陈定钧 黄厚军 欧阳健 雷雄武 张启明 黄海科 谢茂梅 洪伟鸿 于 2021-09-16 设计创作，主要内容包括：本发明涉及箱涵技术领域,公开了一种输油管线群保护箱涵结构,包括多根灌注桩、多根支撑柱、纵梁、两根盖梁和盖板,所述灌注桩灌注于所述地下；所述灌注桩分成两排,分别位于输油管线群两侧；所述支撑柱一一对应设置于所述灌注桩上；所述连接梁分别水平连接相邻的支撑柱；所述盖梁一一对应设置于两排所述支撑柱顶端；所述盖板板盖设与所述盖梁上。本发明的输油管线群保护箱涵结构适用于输油管线群的保护,施工方便快捷,结构稳固。(The invention relates to the technical field of box culverts, and discloses an oil pipeline group protection box culvert structure which comprises a plurality of cast-in-place piles, a plurality of support columns, longitudinal beams, two cover beams and cover plates, wherein the cast-in-place piles are cast in the ground; the cast-in-place piles are divided into two rows and are respectively positioned on two sides of the oil pipeline group; the support columns are correspondingly arranged on the cast-in-place piles one by one; the connecting beams are respectively horizontally connected with the adjacent supporting columns; the bent caps are arranged at the top ends of the two rows of support columns in a one-to-one correspondence manner; the cover plate covers the cover beam. The oil pipeline group protection box culvert structure is suitable for protecting oil pipeline groups, and is convenient and quick to construct and stable in structure.)

1. A protective box culvert structure for oil pipeline groups is used for the oil pipeline groups; it is characterized by comprising:

a plurality of cast-in-place piles cast in the ground; the cast-in-place piles are divided into two rows and are respectively positioned on two sides of the oil pipeline group;

the support columns are arranged on the cast-in-place pile in a one-to-one correspondence manner;

the connecting beams are respectively and horizontally connected with the adjacent supporting columns;

the two cover beams are arranged at the top ends of the two rows of support columns in a one-to-one correspondence manner;

the cover plate covers the cover beam.

2. The oil pipeline group protection box culvert structure of claim 1, wherein: a cast-in-place layer, a coating layer and a planting layer are respectively arranged on the cover plate from bottom to top.

3. The oil pipeline group protection box culvert structure of claim 2, wherein: and two ends of the planting layer are provided with stop blocks.

4. The oil pipeline group protection box culvert structure of claim 1, wherein: the cover plate is a prestressed concrete hollow plate.

5. The oil pipeline group protection box culvert structure of claim 1, wherein: and the cover beam is provided with an L-shaped bayonet which is used for supporting the cover plate.

6. The oil pipeline group protection box culvert structure of claim 5, wherein: and a rubber pad is arranged on the L-shaped bayonet.

7. The oil pipeline group protection box culvert structure of claim 1, wherein: the top of support column is provided with the support staple bolt, support the staple bolt encircle in the support column, support the staple bolt top and be provided with the support frame, be provided with the side layer on the support frame.

8. The oil pipeline group protection box culvert structure of claim 7, wherein: the square timber layer is provided with three layers, and a wood wedge is inserted between two square timber layers.

9. The oil pipeline group protection box culvert structure of claim 1, wherein: the cast-in-place pile is a rotary digging type cast-in-place pile, and the supporting column is a cylinder.

10. The oil pipeline group protection box culvert structure of claim 1, wherein: and an anti-collision guardrail is arranged on one side of the supporting column.

Technical Field

The invention relates to the technical field of box culverts, in particular to an oil pipeline group protection box culvert structure.

Background

The box culvert refers to a culvert built by reinforced concrete box pipe joints. The box culvert is composed of one or more square or rectangular sections and is generally made of reinforced concrete or masonry, but the reinforced concrete is widely applied, when the span is less than 4m, the box culvert is adopted, and for the pipe culvert, the reinforced concrete box culvert is a cheap substitute, and the pier, the upper plate and the lower plate are all poured uniformly. Box culverts are also commonly used to protect oil pipeline groups, but the conventional box culverts have the following problems when used to protect oil pipeline groups:

1. the traditional box culvert is generally constructed underground, is a structure designed and constructed under the condition of no barrier, but has oil pipeline groups, so the traditional box culvert is difficult to construct and has higher difficulty;

2. after the traditional box culvert construction is completed, due to the existence of oil pipeline groups, the internal space is small, the maintenance of workers is inconvenient, the operation is carried out in a limited space, and the potential safety hazard is large;

3. the traditional box culvert superstructure needs the construction site to accomplish, receives the construction site restriction.

Disclosure of Invention

The invention aims to provide an oil pipeline group protection box culvert structure which is suitable for protecting oil pipeline groups, convenient and quick to construct and stable in structure.

In order to solve the technical problems, the invention provides an oil pipeline group protection box culvert structure, which comprises a plurality of cast-in-place piles, a plurality of support columns, longitudinal beams, two cover beams and cover plates, wherein the cast-in-place piles are cast in the ground; the cast-in-place piles are divided into two rows and are respectively positioned on two sides of the oil pipeline group; the support columns are correspondingly arranged on the cast-in-place piles one by one; the connecting beams are respectively horizontally connected with the adjacent supporting columns; the bent caps are arranged at the top ends of the two rows of support columns in a one-to-one correspondence manner; the cover plate covers the cover beam.

Preferably, a cast-in-place layer, a coating layer and a planting layer are respectively arranged on the cover plate from bottom to top.

Preferably, both ends of the planting layer are provided with stoppers.

Preferably, the cover plate is a prestressed concrete hollow plate.

Preferably, the bent cap is provided with an L-shaped bayonet for supporting the cap plate.

Preferably, a rubber pad is arranged on the L-shaped bayonet.

Preferably, the top of support column is provided with the support staple bolt, the support staple bolt encircle in the support column, the support staple bolt top is provided with the support frame, be provided with the square layer on the support frame.

Preferably, the square timber layer is provided with three layers, and a wooden wedge is inserted between two layers of the square timber layer.

Preferably, the cast-in-place pile is a rotary-digging cast-in-place pile, and the supporting column is a cylinder.

Preferably, one side of the supporting column is provided with an anti-collision guardrail.

The invention has the following beneficial effects:

according to the invention, two rows of filling piles and two rows of supporting columns are arranged, and adjacent supporting columns are connected through the longitudinal beam and are respectively positioned at two sides of the oil pipeline group, so that the oil pipeline group can be protected, the construction cannot be hindered by the oil pipeline group, the construction is convenient and fast, meanwhile, enough space is arranged in the filling piles during maintenance and operation, the filling piles and the supporting columns facilitate the movement of operators, the operation efficiency is greatly improved, and the safety is also improved; and the cover plate is adopted for capping, so that the field construction is not needed, the prefabricated cover plate is only required to be hung and covered on the capping beam, the influence of a construction site is avoided, and the construction efficiency and the construction cost are greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of an oil pipeline group protection box culvert structure provided in an embodiment of the present invention;

fig. 2 is a schematic view of a hoop structure provided in the embodiment of the present invention.

Reference numerals:

1. filling piles; 2. a support pillar; 3. a stringer; 4. a capping beam; 5. a cover plate; 6. supporting the hoop; 7. a support frame; 8. a square wood layer; 9. a cast-in-place layer; 10. planting a layer; 11. an anti-collision guardrail; 12. a group of oil pipelines.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1, a preferred embodiment of the present invention provides a protective box culvert structure for an oil pipeline group 12, including a plurality of cast-in-place piles 1, a plurality of support columns 2, longitudinal beams 3, two capping beams 4, and cover plates 5, where the cast-in-place piles 1 are cast in the ground; the cast-in-place piles 1 are divided into two rows and are respectively positioned on two sides of the oil pipeline group 12; the support columns 2 are arranged on the cast-in-place piles 1 in a one-to-one correspondence manner; the connecting beams are respectively horizontally connected with the adjacent supporting columns 2; the bent caps 4 are arranged at the top ends of the two rows of support columns 2 in a one-to-one correspondence manner; the cover plate 5 covers the cover beam 4.

In some preferred embodiments of the present invention, the cover plate 5 is provided with a cast-in-place layer 9, a coating layer and a planting layer 10 from bottom to top.

In some preferred embodiments of the present invention, the two ends of the planting layer 10 are provided with stoppers.

In some preferred embodiments of the present invention, the cover plate 5 is a prestressed concrete hollow slab.

In some preferred embodiments of the present invention, the cap beam 4 is provided with an L-shaped bayonet for supporting the cap plate 5.

In some preferred embodiments of the present invention, a rubber pad is disposed on the L-shaped bayonet.

Referring to fig. 2, in some preferred embodiments of the present invention, a supporting hoop 6 is disposed at a top end of the supporting column 2, the supporting hoop 6 surrounds the supporting column 2, a supporting frame 7 is disposed at a top end of the supporting hoop 6, and a square layer 8 is disposed on the supporting frame 7.

In some preferred embodiments of the present invention, the square lumber layer 8 is provided with three layers, and a wood wedge is inserted between two square lumber layers 8.

In some preferred embodiments of the present invention, the cast-in-place pile 1 is a rotary excavating cast-in-place pile 1, and the supporting column 2 is a cylinder.

In some preferred embodiments of the present invention, a crash barrier 11 is disposed on one side of the support column 2.

Further, the upper structure of the box culvert is a prefabricated prestressed hollow slab with the length of 12.6m and 14.2m, the foundation adopts a 100cm rotary excavating type cast-in-place pile 1 foundation, the pile foundation is connected with 80cm circular upright columns, the columns are connected by adopting longitudinal cross beams, the columns are connected with capping beams 4, the size of each capping beam 4 is 120 multiplied by 140cm, and the size of each hollow slab is 124 multiplied by 75 cm.

Further, the pile foundation adopts a rotary digging pile process, and the upright posts and the cover beams 4 are constructed in a cast-in-place mode; the hollow slab is prefabricated in a factory and hoisted on the spot.

Further, the hollow slab is C50 concrete, the bent cap 4 stand column is C40 concrete, and the pile foundation is C30 underwater concrete.

Further, the rubber pad that the top surface of bent cap 4 set up is 3cm thick rubber pad simple and easy support, and width 830 leads to the length setting.

Furthermore, the planting soil layer is used for planting plants, plays a role in protecting and buffering the box culvert, and is used for planting grass by filling planting soil with the thickness of 0.4m at the top of the box culvert.

Furthermore, the diameter of the hoop 6 is 800mm, and Q235-A steel is adopted. The hoop 6 mainly comprises a column hoop, a fastener and 321 Bailey sheets. A support frame 7 is connected above the hoop 6, and the support frame 7 is a 321 Bailey sheet. The Bailey sheets are arranged along the direction of the bent cap 4, 1 Bailey sheet is arranged on each side of the support column 2 and used for bearing, and the Bailey sheets are tightly attached to the support column 2. 3 layers of 10 multiplied by 5cm square wood layers 8 are erected above the Bailey sheets, the distance is 20cm, wood wedges are inserted between the first layer of wood and the second layer of wood, the formwork support system is convenient to disassemble, and a glued wood formwork with the thickness of 18mm is directly paved above the square wood layers 8.

The prefabricated hollow slab is hoisted by adopting an on-site truck crane, and comprises a long middle slab and side slabs, wherein the weight of the long middle slab is about 18.07t, and the weight of the side slabs is about 21.55t, and the sizes of the hollow slab are 12.6 m; the weight of the 14.2m long middle plate is about 20.08t, and the weight of the side plate is about 24.04 t. 1 180t truck crane is adopted to hoist in the north side, and the hoisting radius is 16 meters at most. The installation process of the prefabricated hollow slab comprises the following steps:

(1) 40 hollow slabs for erecting 1# -9 # shafts

Firstly, the hollow plate conveying vehicle is stopped at the north side of the 0# to 9# shaft. A180 t truck crane is positioned outside the bridge hollow slab.

And secondly, the transport vehicle is positioned on the outer side of the hollow bridge slab.

(2) Erecting 30 hollow slabs of 10# -15 # shaft

Firstly, the hollow plate transporting vehicle is parked at the north side of the 10# to 15# shaft. A180 t truck crane is positioned outside the bridge hollow slab.

And secondly, the transport vehicle is positioned on the outer side of the hollow bridge slab.

(3) Erecting 14 hollow slabs of 16# -17 # shaft

Firstly, the hollow plate transporting vehicle is parked at the north side of the 16# to 17# shaft. A180 t truck crane is positioned outside the bridge hollow slab.

And secondly, the transport vehicle is positioned on the outer side of the hollow bridge slab.

The construction process of the oil pipeline group 12 protection box culvert structure of the preferred embodiment of the invention comprises the following steps: firstly, constructing a rotary-excavated cast-in-place pile 1, then constructing a support column 2 and a longitudinal beam 3 on the basis of the rotary-excavated cast-in-place pile 1, constructing a bent cap 4 on the support column 2, covering a cover plate 5 on the bent cap 4 after the bent cap 4 is constructed, and finally laying a cast-in-place layer 9, a coating layer and a planting layer 10 on the cover plate 5 in sequence.

To sum up, the preferred embodiment of the present invention provides a protective box culvert structure for an oil pipeline group 12, which is compared with the prior art:

according to the invention, the cast-in-place piles 1 and the support columns 2 are arranged in two rows, and the adjacent support columns 2 are connected through the longitudinal beams 3 and are respectively positioned at two sides of the oil pipeline group 12, so that the oil pipeline group 12 can be protected, the construction cannot be hindered by the oil pipeline group 12, the construction is convenient and fast, meanwhile, enough space is arranged in the cast-in-place piles during maintenance and operation, the movement of operators is convenient, the operation efficiency is greatly improved, and the safety is also improved; and adopt apron 5 to seal the top, do not need the site operation like this, only need with 5 covers on the bent cap 4 of prefabricated apron, do not receive the influence of construction site, and improved the efficiency and the cost of construction greatly.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.