阅读说明：本技术 3d打印涵洞 (3D prints culvert ) 是由 马义和 于 2021-09-10 设计创作，主要内容包括：本发明公开了3D打印涵洞,利用浇筑在地底的内部的桩基对涵洞主体进行支撑,所述桩基上方利用混凝土浇筑有与其构成一体化结构的托梁,包括左侧支撑构件,通过铆接的方式固定安装在左侧所述托梁上方,右侧支撑构件,通过铆接的方式固定安装在右侧所述托梁上方,排水沟,由混凝土材料与所述左侧支撑构件和所述右侧支撑构件浇筑成一体化结构,加强混凝土肋条,由混凝土材料浇筑在所述左侧支撑构件和所述右侧支撑构件内部。该3D打印涵洞,采用新型的结构设计,利用3D打印技术可以在无需支架的情况下快速制作涵洞主体结构,施工快,无需模具,省材料省人工,效率高,也避免了大面积开挖对周围环境带来破坏。(The invention discloses a 3D printed culvert, which utilizes a pile foundation poured in the ground to support a culvert body, wherein a joist forming an integrated structure with the pile foundation is poured above the pile foundation by utilizing concrete, the culvert comprises a left side supporting member fixedly arranged above the left side joist in a riveting mode, a right side supporting member fixedly arranged above the right side joist in a riveting mode, a drainage ditch, an integrated structure formed by concrete materials, the left side supporting member and the right side supporting member in a pouring mode, and reinforced concrete ribs are poured in the left side supporting member and the right side supporting member by the concrete materials. This 3D prints culvert adopts neotype structural design, utilizes 3D printing technique can make the culvert major structure under the condition that need not the support fast, and the construction is fast, need not the mould, and the province material economizes the manual work, and is efficient, has also avoided the large tracts of land excavation to bring the destruction to the surrounding environment.)

The culvert is printed to 3D, utilizes pile foundation (1) of pouring in the inside of ground bottom to support the culvert main part, pile foundation (1) top utilizes concrete placement to have joist (2) rather than constituting the integral structure, its characterized in that includes:

the left supporting member (3) is fixedly mounted above the left joist (2) in a riveting mode, and the left supporting member (3) is of an integral structure manufactured by a 3D printing technology;

the right supporting member (4) is fixedly arranged above the joist (2) on the right side in a riveting mode, and the right supporting member (4) and the left supporting member (3) are integrally manufactured through 3D printing;

the drainage ditch (5) is cast with the left side supporting member (3) and the right side supporting member (4) into an integrated structure by concrete materials, and the upper surface of the drainage ditch (5) is flush with the ground;

the reinforced concrete ribs (6) are poured inside the left supporting member (3) and the right supporting member (4) by concrete materials, and the reinforced concrete ribs (6) play a supporting role on the left supporting member (3) and the right supporting member (4);

a top arch support form (7) mounted above and between the left side support member (3) and the right side support member (4);

the arched reinforcement cage (8) is fixedly arranged on the upper surface of the top arched support die (7) by utilizing iron wire materials, and the lower surface of the arched reinforcement cage (8) is attached to the lower surface of the top arched support die (7);

and the drain holes (9) are arranged on the upper part of the left supporting member (3) in a penetrating manner, and the number of the drain holes (9) is 2.

2. The 3D printed culvert of claim 1, wherein: reinforced concrete rib (6) with left side supporting member (3) with right side supporting member (4) constitute vertical structure respectively, just reinforced concrete rib (6) a set of 3 that are provided with altogether.

3. The 3D printed culvert of claim 1, wherein: the upper surface of the joist (2) is uniformly provided with stubble ribs (10), and the stubble ribs (10) respectively form a penetrating structure with the left side supporting member (3) and the right side supporting member (4) through a bottom reserved hole (11).

4. The 3D printed culvert of claim 1, wherein: the top arch-shaped supporting die (7) is internally provided with supporting ribs (12) for supporting the top arch-shaped supporting die, and a stable triangular structure is formed between every two adjacent supporting ribs (12).

5. The 3D printed culvert of claim 2, wherein: side preformed hole (13) have evenly been seted up to right side supporting member (4) right flank, just side preformed hole (13) inside is run through and is provided with from advancing formula stock (14).

6. The 3D printed culvert of claim 5, wherein: the self-advancing anchor rod (14) and the stubbled rib (10) are both made of standard steel bar materials with the diameter of 25 mm.

7. A 3D printed culvert according to claim 1, wherein: the specific construction process comprises the following steps: the pile foundation (1) and the joist (2) are manufactured according to the traditional process, drainage ditches (5) are arranged on the inner sides of the joists (2) on two sides, stubble ribs (10) with the diameter of 25mm are arranged inside the joists (2) on two sides and are mutually crossed and exposed out of the top of the joists (2) for the purpose of being connected with a left supporting member (3) and a right supporting member (4) on the upper part, a reserved bottom hole (11) is reserved in the wall bodies of the left supporting member (3) and the right supporting member (4), a reinforced concrete rib (6) is formed by pouring concrete and plays a role in reinforcing and supporting the left supporting member (3) and the right supporting member (4), a drainage hole (9) is arranged on the top of the left supporting member (3), a reserved side hole (13) is formed in the right side surface of the right supporting member (4) in order to enable later rainwater to be drained out of the hole, or a hole is formed in site, and a hole is formed in the right rock, inserting a self-advancing anchor rod (14) into the self-advancing anchor rod, enabling grouting to keep high grouting pressure by a high-efficiency grout stop plug of the self-advancing anchor rod (14), fully filling gaps, connecting the self-advancing anchor rod (14) with a right supporting member (4), forming by pouring concrete inside, transmitting force borne by the right supporting member (4) to surrounding rocks, placing a top arch-shaped supporting mold (7) above the left supporting member (3) and the right supporting member (4), infinitely extending through a standard or nonstandard module, binding the top arch-shaped supporting mold (7) into a continuous arch-shaped steel reinforcement cage (8) structure by using steel bars, forming to a designed height by pouring concrete for multiple times, and then covering and burying.

Technical Field

The invention relates to the technical field of 3D printed concrete, in particular to a 3D printed culvert.

Background

The concrete 3D printing is that a computer is used for layered modeling and sending out a program instruction, an industrial robot is controlled to repeatedly lay materials layer by layer so as to construct a free-form building structure, a graphic design model of the building is converted into a three-dimensional printing path, a printing system is used for accurately layering and distributing concrete with short setting time and fast strength development, and the concrete is overlapped and accumulated layer by layer to form, so that template-free construction is realized.

In the prior art, a chinese patent with an authorization publication number CN213013978U discloses a 3D printing culvert. Comprises a culvert body; the culvert is characterized in that an empty groove is formed above the culvert body, the empty groove extends along the length direction of the culvert body, the culvert body is transported to a construction site through a preset culvert body, and the culvert body is directly hoisted to a preset position, so that the time of site construction can be shortened, and the construction cost is reduced.

The common culvert manufacturing method is that a concrete pouring support is built in advance, then building concrete in the support is used for forming a main body framework of the culvert after the concrete is solidified, and the step of building the support in the method is troublesome and tedious, so that the whole construction time is long, and the efficiency is low.

Disclosure of Invention

The invention aims to provide a 3D printed culvert to solve the problems of complicated steps and long construction period of the traditional manufacturing method in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: 3D prints the culvert, utilizes the pile foundation of pouring the inside at the ground bottom to support the culvert main part, the pile foundation top utilizes concrete placement to have rather than the joist that constitutes the integral structure, include:

the left supporting member is fixedly arranged above the joist on the left side in a riveting mode and is of an integral structure manufactured by a 3D printing technology;

the right supporting member is fixedly arranged above the joist on the right side in a riveting mode, and the right supporting member and the left supporting member are integrally manufactured through 3D printing;

the drainage ditch is cast into an integrated structure by concrete materials and the left side supporting member and the right side supporting member, and the upper surface of the drainage ditch is flush with the ground;

the reinforced concrete ribs are poured in the left supporting member and the right supporting member by concrete materials and play a supporting role for the left supporting member and the right supporting member;

a top arched support form mounted above and between the left and right side support members;

the arched reinforcement cage is fixedly arranged on the upper surface of the top arched supporting die by utilizing iron wire materials, and the lower surface of the arched reinforcement cage is attached to the lower surface of the top arched supporting die;

and the water drainage holes penetrate through the upper part of the left side supporting member, and the number of the water drainage holes is 2.

Preferably, the reinforced concrete rib with the left side bracing member with the right side bracing member constitutes vertical structure respectively, just a set of reinforced concrete rib is provided with 3 totally, utilizes inside equidistant distribution's reinforced concrete rib can strengthen the holistic intensity of bracing member.

Preferably, the upper surface of the joist is uniformly fixed with stubble ribs, the stubble ribs respectively form a penetrating structure with the left side supporting member and the right side supporting member through a reserved hole in the bottom, and the left and right supporting members can be fixedly connected with the lower joist by utilizing the penetrating pouring structure of the stubble ribs and the left and right supporting members.

Preferably, support ribs for supporting the top arched support die are arranged inside the top arched support die, and a stable triangular structure is formed between every two adjacent support ribs.

Preferably, the side preformed hole has evenly been seted up to right side supporting member right side face, just the inside formula stock that advances that runs through of side preformed hole is provided with, utilizes the formula stock that advances from being connected right side supporting member and external rock, can play the effect of support.

Preferably, the self-propelled anchor rod and the stubbled rib are both made of standard steel bar materials with the diameter of 25 mm.

Compared with the prior art, the invention has the beneficial effects that: this 3D prints culvert adopts neotype structural design, utilizes 3D printing technique can make the culvert major structure under the condition that need not the support fast, and the construction is fast, need not the mould, and the province material economizes the manual work, and is efficient, has also avoided the large tracts of land excavation to bring the destruction to the surrounding environment.

1. The left side supporting member, the right side supporting member, reinforced concrete rib and the cooperation between the support rib are used, pour reinforced concrete rib in left side supporting member and the inside equidistant of right side supporting member and can wholly play effectual supporting role to the supporting member to strengthen holistic intensity, and inside being the support rib that sets up on the triangle-shaped of top arch support mould can strengthen its rigidity.

2. The bottom preformed hole, stubble muscle, side preformed hole and the cooperation between the formula stock of advancing use, run through the bottom preformed hole with the stubble muscle and get into left and right sides supporting member inside can realize to a left side, have supporting member's fixed mounting, utilize the side preformed hole to run through from the formula stock of advancing simultaneously and carry out the inside back of right side supporting member, utilize during the self-advancing formula stock inserts the environment soil of side, can wholly support the power of unloading to the culvert.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a side cross-sectional view of the left support member of the present invention;

FIG. 5 is a side view of the right support member of the present invention.

In the figure: 1. a pile foundation; 2. a joist; 3. a left side support member; 4. a right side support member; 5. a drainage ditch; 6. reinforcing the concrete ribs; 7. a top arch support form; 8. an arch-shaped reinforcement cage; 9. a drain hole; 10. stubbled of ribs; 11. a hole is reserved at the bottom; 12. a support rib; 13. reserving a hole on the side surface; 14. self-advancing anchor rod.

Detailed Description

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 only a part of the embodiments of the present invention, 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 invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: 3D prints the culvert, utilizes the pile foundation 1 of pouring in the inside of ground end to support the culvert main part, 1 top of pile foundation utilize concrete placement have rather than constitute the joist 2 of integral structure, include:

the left supporting member 3 is fixedly arranged above the left joist 2 in a riveting mode, and the left supporting member 3 is of an integral structure manufactured by a 3D printing technology;

the right supporting member 4 is fixedly arranged above the right joist 2 in a riveting mode, and the right supporting member 4 and the left supporting member 3 are integrally manufactured through 3D printing;

the drainage ditch 5 is of an integrated structure formed by pouring concrete materials, the left supporting member 3 and the right supporting member 4, and the upper surface of the drainage ditch 5 is flush with the ground;

the reinforced concrete ribs 6 are poured into the left supporting member 3 and the right supporting member 4 by concrete materials, and the reinforced concrete ribs 6 play a supporting role in supporting the left supporting member 3 and the right supporting member 4;

a top arch support die 7 installed above and between the left and right support members 3 and 4;

the arched reinforcement cage 8 is fixedly arranged on the upper surface of the top arched support die 7 by utilizing iron wire materials, and the lower surface of the arched reinforcement cage 8 is attached to the lower surface of the top arched support die 7;

and 2 drain holes 9 are arranged on the upper part of the left supporting member 3 in a penetrating way, and the number of the drain holes 9 is up and down symmetrical.

Reinforced concrete rib 6 and left side supporting member 3 and right side supporting member 4 constitute vertical construction respectively, and reinforced concrete rib 6 is a set of 3 pieces that are provided with altogether, 2 fixed surface on the joist evenly are provided with stubble muscle 10, and stubble muscle 10 constitutes the run-through structure respectively through bottom preformed hole 11 and left side supporting member 3 and right side supporting member 4, top arch supports 7 inside support ribs 12 that are used for supporting it that is provided with of mould, and be the triangle-shaped structure that has stability between the adjacent support rib 12, side preformed hole 13 has evenly been seted up to right side supporting member 4 right flank, and the inside run-through of side preformed hole 13 is provided with from advancing stock 14, from advancing stock 14 and stubble muscle 10 are the standard steel bar material that the diameter is 25 mm.

The pile foundation 1 and the joist 2 are manufactured according to the traditional process, the inner sides of the joists 2 at two sides are provided with drainage ditches 5 for draining the infiltrated inflow water, stubbles 10 with the diameter of 25mm are arranged inside and are intersected with each other and expose the top of the joists 2, so as to be connected with the left supporting member 3 and the right supporting member 4 at the upper part, the walls of the left supporting member 3 and the right supporting member 4 are reserved with bottom reserved holes 11, reinforced concrete ribs 6 are formed by pouring concrete and play a role of reinforcing and supporting the left supporting member 3 and the right supporting member 4, the top of the left supporting member 3 is provided with a drainage hole 9, in order to drain the later rainwater from the holes, the right surface of the right supporting member 4 is provided with side reserved holes 13, or the holes are formed on site, holes are formed in the right rock, and self-feeding anchor rods 14 are inserted into the holes, thus realizing the drilling, grouting and the purpose, The functions of anchoring and the like are unified, the high-efficiency grout stop plug of the self-advancing anchor rod 14 enables grouting to keep strong grouting pressure, a gap is fully filled, a broken rock body is fixed, the stress of a deep surrounding rock can be uniformly transmitted to a surrounding wall surrounding rock through a high-strength cushion plate and a nut, the purpose that the surrounding rock and the anchor rod are mutually supported is achieved, the self-advancing anchor rod 14 is connected with the right supporting member 4, concrete is used for pouring and forming inside the self-advancing anchor rod, the force borne by the right supporting member 4 is transmitted to the surrounding rock, a top arch supporting mold 7 is placed above the left supporting member 3 and the right supporting member 4, the self-advancing anchor rod can be infinitely extended through a standard or nonstandard module, a continuous arch reinforcing steel bar cage 8 structure is bound on the top arch supporting mold 7 through reinforcing steel bars, concrete is used for pouring and forming for multiple times to the designed height, and then soil covering and filling are carried out.

The working principle is as follows: when the device is used, according to the structures shown in the figures 1-5, the pile foundation 1 and the joist 2 are firstly manufactured in a traditional mode, then other main body structures of the culvert are manufactured by using a 3D printing technology, the purposes of quick construction and shortening of the construction period are achieved, and finally, concrete is poured in the upper arched reinforcement cage 8 to finish the capping operation, namely the working principle of the 3D printed culvert.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.