JP3241998U - Slope shoring structure - Google Patents

Abstract

The object of the present invention is to provide a shoring structure for a slope, which can realize quick shoring, is easy to construct, and has high safety. A shoring structure for a slope comprises a preform shaped steel 1 and a connecting structure 2, the preformed shaped steels being installed in plurality and intersecting and engaged in an annular fashion to form a net-like frame structure, Connecting structures are installed between adjacent preforms to connect adjacent preforms and/or between crossing preforms to connect crossing preforms. Installed. Preformed shaped steel can be mass-produced and factory-produced, has high forming quality, secures bearing capacity, has a shorter production cycle than preformed concrete members, and can be used at preformed places such as support beam production places. to simplify and reduce construction difficulty. [Selection drawing] Fig. 1

Description

This utility model relates to the field of post-disaster slope protection technology, specifically to slope shoring structures.

High slope construction protection technology is one of the most important technologies to ensure the safe construction and operation of social infrastructure facilities such as water supply and transportation in China, especially against rainfall, freeze-thaw, earthquakes, construction disturbances, etc. Slope disasters such as landslides and sliding collapses are likely to occur due to the action of the elements, and how to realize rapid shoring for high slope construction is an important issue.

At present, the conventional cast-in-place concrete lattice structure anchor fixing technology of "cast-in-place concrete lattice structure slope protection + anchor bolt/rope anchor fixing" is widely applied to high slope support construction. In order to realize rapid anchoring shoring for slope construction, we are conducting preliminary research and exploratory application of preform lattice structure anchoring technology both at home and abroad, mainly as the first type. , represented by the PC (Prestressing Concrete) lattice structure anchoring technology submitted to Japan, which replaces the conventional cast-in-place concrete lattice structure with preformed prestressed cruciform concrete lattice structural members, and the preform members are placed in place. The second type is represented by prefabricated lattice structure anchoring technology, in which the volume of a single preform member is smaller, such as a preform cross beam and a preform longitudinal beam. There are two forms: the beams are connected by mortise joints to form cross beams, and the cross beams are connected to each other using cast-in-place concrete.

Cast-in-place concrete lattice structure anchoring technology is limited by the concrete repair cycle, so the construction cycle is long and the slope is exposed for a long time. Many processes such as installation and pouring need to work on a steep slope, which increases the safety risk of workers, and the connection of preform members is more complicated due to the prefabricated grid structure anchoring, and the slope is flat. The requirements for strength and construction accuracy are higher, and connection points tend to be vulnerable to receiving force.

Therefore, the technical problem to be solved by this utility model is to overcome the drawbacks of the long construction cycle, high difficulty, and low safety of the slope protection structure in the conventional technology, and to realize rapid shoring and construction. To provide a shoring structure for a slope which is easy to install and has high safety.

In order to solve the above problems, the present utility model provides a slope shoring structure, a plurality of preformed section steels installed and annularly cross-engaged to form a net-like frame structure, and adjacent installed between the adjacent preform shaped steels so as to connect the preformed shaped steels that intersect each other, and/or between the crossing preformed shaped steels so as to connect the intersecting preformed shaped steels a connecting structure installed.

Optionally, said connection structure is installed between said adjacent preform sections and comprises a connection base, wherein one of said connection base and said preform sections is provided with an engaging portion and the other is engaged. An engaging groove is provided, and the engaging portion is adapted to be engaged in the engaging groove.

Optionally, the connecting structure further comprises a first connecting bolt, the connecting base and the preformed steel are both provided with corresponding first connecting holes, and the first connecting bolts are located in the first connecting holes. attached by engaging the

Optionally, said preform steel is a first I-section steel or a channel steel, and a first flange plate on either side of a first web plate of said first I-section steel or said channel steel is said anchoring portion. , adapted to be engaged in the engaging groove on the connecting base, wherein the first connecting hole corresponds to both the first web plate of the first I-section steel or the channel steel and the connecting base; installed.

Optionally, said first I-section steel or said channel steel first web plate is welded to said connection base.

Alternatively, the preform steel is a second I-shaped steel, a second flange plate and a third flange plate are installed on both sides of the second web plate of the second I-shaped steel, and the end of the second flange plate extends away from the second web plate to form the engaging portion adapted to be engaged in the engaging groove on the connecting base; Each of the groove walls is provided with the first connecting hole correspondingly.

Alternatively, the engaging portion is welded to the contact surface of the engaging groove.

Optionally, the connecting base is further provided with a first anchor fixing hole suitable for drilling an anchor bolt, and the slope shoring structure further comprises a fixing ring, wherein the fixing ring engages the first anchor. It is installed in a fixing hole and fitted around the outer periphery of the anchor bolt, and the fixing ring is fixedly connected to both the hole wall of the first anchor fixing hole and the outer surface of the anchor bolt.

Optionally, said preform steel comprises a first and second cross-section steel, said connecting structure being located between said first and second steel sections, said The connection structure includes a second connection hole installed in the first section steel and a third connection hole installed in the second section steel, the second connection hole corresponding to the third connection hole, A second connection bolt is attached to correspond to the second connection hole and the third connection hole.

Alternatively, the first section steel is provided with a first engagement groove, the second section steel is provided with a second engagement groove, and the second engagement groove can be engaged with the first engagement groove. , the second connecting hole is installed in the groove wall of the first engaging groove, and the third connecting hole is installed in the groove wall of the second engaging groove.

As an option, both the first section steel and the second section steel are 3rd I-section steels, and the first engaging grooves are formed through the third web plate and the fourth flange plate of the first section steel. wherein the second connection hole is installed in the fifth flange plate of the first section steel and communicates with the first engagement groove, and the sixth flange plate of the second section steel is provided with the second section steel is provided with the second engaging groove communicating with the fourth web plate of, the fourth web plate can be engaged in the first engaging groove on the third web plate, and the third connection hole is the It is installed on the fourth web plate and communicates with the second engaging groove.

Optionally, the first section steel and the second section steel are both provided with second anchoring holes correspondingly communicating and drilled by anchor bolts.

Alternatively, the first section steel and the second section steel are installed crosswise to form a cross frame, and a plurality of the cross frames are arranged in a matrix to form the mesh frame structure and are adjacent to each other. The end of the cross frame that connects is fixed by welding.

This utility model has the following advantages.

First, in the slope shoring structure according to the present utility model, a plurality of preformed shaped steels are provided and engaged in an annular crossing manner to form a net-like frame structure so as to protect the slope. In addition, a connection structure is installed between adjacent preform shaped steels and/or crossing preform shaped steels so as to achieve connection and fixation between adjacent preform shaped steels and/or intersecting preform shaped steels. Therefore, the shoring structure of the slope according to this utility model replaces the concrete cast beam with the preformed steel, and the preformed steel can be manufactured in advance at the factory and mass-produced. And factory production is possible, the quality of forming is high, the bearing capacity of shaped steel members is secured, the production cycle is shorter than preformed concrete members, and the preformed place such as the support beam production place is independent In addition, the preformed shaped steel has a small cross section and has advantages in weight and volume compared to reinforced concrete members of the same length, and can be used by small machines. It can be lifted up and constructed by climbing a slope, which makes construction more convenient and safer. + Welding) can be used to connect and fix the preformed steels together, which can be connected quickly and conveniently, and also strengthens the structural strength at the connection point of the preformed steels, and connects the preformed steels. After the construction is completed, the subsequent anchor bolt construction can be performed directly, shortening the construction waiting cycle and further improving the overall construction efficiency.

Secondly, in the slope shoring structure according to the utility model, the connection structure has a connection base, and one of the connection base and the preformed section steel has an engagement part and the other has an engagement groove. is installed, and the engaging portion is adapted to be engaged in the engaging groove. In this installation, the connecting structure can be installed in the form of a connecting base, and the connecting base and the preformed section steel can achieve the fixation of the adjacent preformed section steel through the mutual engagement of the engaging portion and the engaging groove. It can realize quick assembly and improve the connection efficiency on site.

Third, in the slope shoring structure according to the utility model, the connection structure further comprises a first connection bolt, and the connection base and the preformed steel are both provided with corresponding first connection holes, A first connection bolt is engaged and mounted in the first connection hole. Further connecting the connecting base and the preformed steel by installing a first connecting bolt and engaging and mounting the first connecting bolt in the corresponding first connecting hole in the connecting base and the preformed steel. locking, thus improving the connection reliability between both by a combination of the locking and bolting connection.

Fourth, in the slope shoring structure according to the utility model, the preformed steel may be the first I-shaped steel or channel steel, and the first web plate of the first I-shaped steel or channel steel The first flange plates on both sides of the are engaging parts and are suitable to be engaged in the engaging grooves on the connecting base. Engagement of the first I-section steel or channel steel with the connecting base by interlocking engagement between the first flange plates on both sides of the first web plate of the first I-section steel or channel steel and the locking grooves on the connecting base. In addition, the preform steel is set as a deformed steel with a complex cross section such as the first I-shaped steel or channel steel, and the perimeter of the cross section is larger, and the preform steel and the slope are set. The contact area with the rocky soil body can be increased to increase the frictional force, thereby enhancing the protective reinforcement effect.

Fifth, in the slope shoring structure according to this utility model, the first web plate of the first I-shaped steel or channel steel is used to further strengthen the connection strength between the preform shaped steel and the connection base. It is welded to the connection base, and thus the present embodiment consists of engagement of the connection base with the first I-section steel or channel steel, engagement of the first connection bolt with the first connection hole and connection with the first web plate. Welding with the base ensures the strength and reliability of the connection between the preformed shaped steel and the connecting structure.

Sixthly, in the slope shoring structure according to the present utility model, the connecting base is further provided with a first anchor fixing hole suitable for anchor bolts to be drilled, and the slope shoring structure further includes A fixing ring is installed in the first anchor fixing hole and mounted on the outer circumference of the anchor bolt, and the fixing ring is fixedly connected to the hole wall of the first anchor fixing hole and the outer surface of the anchor bolt. be. After completing the connection work between the connection base and the preformed shaped steel, lift the entire shoring structure for the slope to the surface of the soil layer on the slope, drill anchor bolts into the first anchor fixing holes, and set the slope on the slope. The end of the anchor bolt is positioned in the first anchor fixing hole, and the anchor bolt and the connection base are connected and fixed by the fixing ring, thereby the entire shoring structure of the slope is fixed to the slope. It is installed firmly on the soil layer of the surface to realize the protection of the slope.

Seventhly, in the slope shoring structure according to this utility model, the preform-shaped steel may be the second I-shaped steel, and the second flange plate and the second flange plate on both sides of the second web plate of the second I-shaped steel A third flange plate is provided, the ends of the second flange plate extending away from the second web plate to form a locking portion adapted to be locked into the locking groove on the connecting base. , the engaging portion and the groove wall of the engaging groove are respectively provided with first connection holes. In the above installation, the initial fixation between the preform shaped steel and the connection base is realized by the engagement between the engagement portion formed by extending the end of the second flange plate and the engagement groove on the connection base. Furthermore, the preform shaped steel and the connection base can be further connected and fixed a second time by engaging and mounting the first connection bolt and the first connection hole, thereby realizing the connection and fixation of the preform shaped steel and the connection base. can.

Eighth, in the slope shoring structure according to the utility model, the preformed section steel may comprise a first section steel and a second section steel installed crosswise, and the connecting structure is the first section steel. Installed between the steel and the second section steel, the connection structure comprises a second connection hole, a third connection hole and a second connection bolt, the second connection hole is installed in the first section steel, and the third connection hole is installed in the second section steel, the second connection hole corresponds to the third connection hole, and the second connection bolt is attached to correspond to the second connection hole and the third connection hole. In the above installation, a second connection hole is installed in the first section steel, a third connection hole is installed in the second section steel, and a second connection bolt is installed correspondingly to the second connection hole and the third connection hole. As a result, the first section steel and the second section steel are cross-connected and fixed, and the connection strength of both is ensured.

Ninth, in the shoring structure of the slope according to this utility model, the first section steel and the second section steel may be set as the third I section steel, and the third web plate of the first section steel and the second section steel The 4th flange plate is provided with a first engagement groove penetrating therethrough, the second connection hole is installed in the fifth flange plate of the first section steel and communicates with the first engagement groove, and the sixth connection hole of the second section steel The flange plate is provided with a second engagement groove communicating with a fourth web plate of the second section steel, the fourth web plate can be engaged in the first engagement groove on the third web plate, and a third connection A hole is installed in the fourth web plate and communicates with the second engaging groove. In this installation, when the first section steel and the second section steel are installed to cross each other, they are engaged by the first engaging groove and the second engaging groove, that is, the fourth web plate is placed on the third web plate. The second connection bolt is bored in the second connection hole on the fifth flange plate, and the first engagement groove and the second engagement groove are formed on the fourth web plate It is connected and fixed to the third connection hole, thereby realizing reliable connection between the first section steel and the second section steel by engaging and engaging the second connection bolt with the second connection hole and the third connection hole. .

In order to describe the specific embodiments of the present utility model or the technical solutions of the prior art more clearly, the drawings necessary for the description of the specific embodiments or the prior art are briefly described below. The drawings described below are examples of embodiments of the present utility model, and those skilled in the art can further obtain other drawings based on these drawings without creative efforts.
FIG. 2 is an overall structural schematic diagram showing a shoring structure for a slope according to the first embodiment; FIG. 2 is a structural schematic diagram showing the first I-shaped rope according to the first embodiment; FIG. 2 is a structural schematic diagram showing the channel steel according to the first embodiment; FIG. 2 is a top structural schematic diagram showing a connection base according to the first embodiment; FIG. 4 is a side structural schematic diagram showing the connection base according to the first embodiment; FIG. 4 is a side structural schematic diagram showing the fixing ring according to the first embodiment; FIG. 10 is a schematic three-dimensional structure diagram showing the second I-shaped rope according to the present embodiment 2; FIG. 11 is a front view showing the second I-shaped rope according to the second embodiment; FIG. 9 is a top view showing the connection base according to the second embodiment. FIG. 11 is a side view showing a connection base according to the second embodiment; FIG. 11 is a schematic diagram of the overall structure showing the shoring structure for the slope according to the third embodiment. FIG. 11 is a three-dimensional structure schematic diagram showing the first section steel according to the present embodiment 3; FIG. 11 is a front view showing the first shape steel according to the third embodiment; FIG. 11 is a schematic three-dimensional structure diagram showing a second section steel according to the third embodiment;

The following clearly and completely describes the technical solution of the present utility model with reference to the drawings, and of course, the described embodiments are part of the embodiments of the present utility model, not all of the embodiments.

Any other embodiments obtained by persons skilled in the art based on the embodiments of the present utility model without the need for inventive effort shall fall within the protection scope of the present utility model.

In the explanation of this utility model, what should be explained is the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inside", "outside", etc. The orientation or positional relationship indicated by is the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating and simplifying the explanation of the utility model, and the device or element indicated must be in a specific orientation. It does not indicate or imply that it has to be configured and operated in any particular orientation, and thus should not be construed as limiting the utility model. Also, the terms "first", "second" and "third" are for descriptive purposes only and should not be understood to indicate or imply any relative importance.

In the description of this utility model, unless otherwise clearly defined and limited, the terms "attachment", "coupling" and "connection" should be broadly understood, e.g. It may be a possible connection or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate element, or an internal communication between two elements. A person skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific situation.

Also, the technical features related to different embodiments of the utility model described below may be combined with each other as long as they do not conflict with each other.

Example 1
As shown in FIGS. 1 to 6, this embodiment discloses a slope shoring structure, comprising a preformed shaped steel 1 and a connection structure 2, wherein the preformed shaped steel 1 is installed in plural and are engaged to form a net-like frame structure, and connecting structures 2 are installed between adjacent preform steel sections 1 to connect adjacent preform steel sections 1 and/or intersecting steel plates. It is installed between preform shaped steels 1 that intersect so as to connect reformed shaped steels 1 .

In the slope shoring structure according to the present embodiment, a plurality of preform shaped steels 1 are provided and are engaged in an annular crossing manner to form a net-like frame structure so as to protect the slope. A connecting structure 2 is installed so as to achieve connection and fixation between the preformed steel 1 and/or the intersecting preformed steel 1, and the connecting structure 2 is installed between the adjacent preformed steels 1 and/or It is installed between intersecting preformed shaped steels 1, therefore, in the slope shoring structure according to this embodiment, the preformed shaped steels 1 replace the concrete cast beams, and the preformed shaped steels 1 are prepared in advance at the factory. It can be manufactured, mass production and factory production are possible, the quality of molding is high, the bearing capacity of shaped steel members is secured, the production cycle is shorter than that of preformed concrete members, and the production site for support beams There is no need to set up a separate renovation site, which simplifies and reduces the difficulty of construction, and the preform shaped steel 1 has a small cross section and is superior in weight and volume compared to reinforced concrete members of the same length. It can be lifted by a small machine and climbed up a slope for construction, which is more convenient and safer. The structure 2 (which can be bolt/bolt + welding) realizes the connection and fixation of the preformed steel 1, which can be connected quickly and conveniently, and also strengthens the structural strength at the connection point of the preformed steel 1. Moreover, after the connection construction of the preform shaped steel 1 is completed, the subsequent anchor bolt construction can be performed directly, shortening the construction waiting cycle and further improving the overall construction efficiency.

What should be explained is that the slope shoring structure according to this embodiment is particularly applicable to the northern regions where the amount of rainfall is lower, thereby realizing rapid shoring of slopes after a disaster, and the shoring technology can be quickly constructed on slopes where disasters have occurred or potential risks are high, which requires immediate protective reinforcement, shortening the time required for concrete repairs, and facilitating the construction of shoring structures on slopes. To shorten the construction waiting time by rapidly performing anchor bolt construction after completion.

The shoring structure for the slope will be described in detail below with reference to the drawings of the specification.

In this embodiment, the connecting structure 2 is installed between adjacent preforms 1, the four preforms 1 are annularly engaged with each other end-to-end to form a rectangular or diamond-shaped frame, A plurality of rectangular or diamond-shaped frames are further arranged in a matrix to form a net-like frame structure.

Specifically, as shown in FIGS. 1, 4 and 5, the connection structure 2 includes a connection base 21, one of the connection base 21 and the preform shaped steel 1 is provided with an engaging portion, and the other is provided with an engaging portion. An engaging groove 211 is installed, and the engaging part is suitable to be engaged in the engaging groove 211 . In this installation, the connecting structure 2 is installed in the form of a connecting base 21, and the connecting base 21 and the preform shaped steel 1 are adjacent to each other due to the mutual engagement of the engaging portion and the engaging groove 211. Fixing can be realized, quick assembly can be realized, and the on-site coupling efficiency can be improved.

In this embodiment, the engaging portion is installed in the preform shaped steel 1 and the engaging groove 211 is installed in the connecting base 21 . Specifically, both ends of each preform shaped steel 1 are provided with engaging portions, and a plurality of engaging grooves 211 are provided along the circumferential direction of the connection base 21. By such installation, each preform shaped steel Both ends of the steel 1 can be engaged with the connection base 21, and the engagement between one connection base 21 and a plurality of preform shaped steels 1 can be realized, which improves the flexibility of assembly and facilitates assembly. can be put on and taken off.

As for the specific shape, the connecting base 21 may be installed as a rectangular base, and the engaging grooves 211 are arranged along the four corners of the rectangular base, so that one connecting base 21 can accommodate at most four preforms. It is realized that the shaped steel 1 can be engaged and engaged at the same time. The engaging groove 211 is a blind groove, and the engaging portion can be easily engaged with the blind groove for contact engagement.

In addition, the connection structure 2 further includes a first connection bolt (not shown), the connection base 21 and the preform shaped steel 1 are both provided with corresponding first connection holes 22, and the first connection bolt is the first connection bolt. It is mounted in engagement with the connecting hole 22 . Further, a first connection bolt is installed, and the first connection bolt is engaged and attached in the corresponding first connection hole 22 in the connection base 21 and the preform shaped steel 1, thereby connecting the connection base 21 and the preform shaped steel 1. 1 are further connected and fixed, therefore, the connection reliability between both the connection base 21 and the preform shaped steel 1 is improved by a combination of engagement and bolt connection, and the connection strength between the adjacent preform shaped steels 1 is increased. is ensured.

Illustratively, the first connecting hole 22 is a threaded hole so that it can be easily threadedly engaged with the first connecting bolt. In order to strengthen the connection strength, in this embodiment, a plurality of first connection bolts and first connection holes 22 are provided, and the plurality of first connection bolts are engaged with the plurality of first connection holes 22 on a one-to-one basis. It is realized that the connection base 21 and the preform shaped steel 1 are connected and fixed by the plurality of first connection bolts, and the connection strength is high.

Regarding the specific structure of the preform shaped steel 1, in this embodiment, as shown in FIGS. The first flange plates 112 on both sides of the first web plate 111 of the channel steel 11 or channel steel 12 are engaging parts and are suitable to be engaged in the engaging grooves 211 on the connecting base 21 . The first I-rope 11 or channel steel 12 is secured to the first I-rope 11 or channel steel 12 by mutual engagement engagement between the first flange plates 112 on both sides of the first web plate 111 and the engaging grooves 211 on the connecting base 21 . The steel 12 and the connection base 21 are engaged and fixed, and the preform shaped steel 1 is set as a deformed steel with a complex cross section such as the first I-shaped steel 11 or channel steel 12, and the circumference of the cross section is is larger, which can increase the contact area between the preform shaped steel 1 and the rocky soil body on the slope to increase the frictional force, thereby enhancing the protective reinforcement effect.

Regarding the specific installation position of the first connection hole 22, in this embodiment, the first connection hole 22 is installed in the first web plate 111 of the first I-shaped steel 11 or the channel steel 12 and the connection base 21, Four first connection holes 22 are provided at intervals along the length direction and width direction of the web plate 111 , and correspondingly, the connection base 21 is also provided with four corresponding first connection holes 22 . Correspondingly, four first connection bolts are also provided and attached correspondingly to the four first connection holes 22, thereby increasing the connection strength between the connection base 21 and the first I-shaped steel 11 or channel steel 12. Strengthen.

The first web plate 111 of the first I-section steel 11 or channel steel 12 is welded and fixed to the connection base 21 so as to further strengthen the connection strength between the preform steel 1 and the connection base 21. The preform is formed by engaging the connecting base 21 with the first I-shaped steel 11 or channel steel 12, engaging the first connecting bolt with the first connecting hole 22, and welding the first web plate 111 and the connecting base 21. Connection strength and reliability between the shaped steel 1 and the connection structure 2 are ensured.

Specifically, when the first flange plates 112 on both sides of the first I-shaped rope 11 or channel steel 12 are both engaged in the engaging grooves 211 of the connection base 21, the first web plate 111 , and the first web plate 111 is welded to the contact surface of the connection base 21 . For easy welding, a welding groove can be opened on the surface of the connecting base 21, the first web plate 111 is engaged in the welding groove, and the welding groove welds the connecting base 21 and the first web plate 111. Realize

As shown in FIGS. 4 to 6, in addition to the installation described above, the connection base 21 of this embodiment is further provided with a first anchor fixing hole 212 suitable for anchor bolts to be drilled into the shoring of the slope. The structure further comprises a fixing ring 3, the fixing ring 3 is installed in the first anchor fixing hole 212 and mounted on the outer circumference of the anchor bolt, and the fixing ring 3 is attached to the hole wall of the first anchor fixing hole 212 and the anchor bolt. are fixedly connected to the outer surface of the After the construction of connecting the connecting base 21 and the preformed shaped steel 1 is completed, the entire shoring structure for the slope is lifted from the surface of the soil layer on the slope, and anchor bolts are drilled into the first anchor fixing holes 212. The end of the anchor bolt is positioned in the first anchor fixing hole 212, and the fixing ring 3 connects and fixes the anchor bolt and the connection base 21, thereby The entire shoring structure is firmly installed on the slope soil layer to achieve slope protection.

Specifically, the first anchor fixing hole 212 is a through hole passing through the connection base 21 and is installed in the center of the connection base 21, and the engaging groove 211 is uniform along the circumferential direction of the first anchor fixing hole 212. placed in

The outer surface of the fixing ring 3 can be welded to the hole wall of the first anchor fixing hole 212, the inner surface of the fixing ring 3 and the outer surface of the anchor bolt, and the fixing ring 3, the anchor bolt and the connecting base 21 can be welded together. are connected together to ensure the strength of the whole structure.

In order to facilitate understanding of the slope shoring structure according to this embodiment, the construction process will be described below.
transporting preformed steel 1 (first I-shaped steel 11 or channel steel 12) and connection structure 2 manufactured in advance to the construction site;
By engaging the first flange plates 112 on both sides of the first I-shaped steel 11 or the channel steel 12 in the engaging grooves 211 of the connecting base 21, the connecting base 21 and the first I-shaped steel 11 or the channel steel 12 are connected. The connection base 21 by providing an initial connection fixation and mounting a first connection bolt in engagement with the first connection hole 22 on the connection base 21 and the first web plate 111 of the first I-section steel 11 or channel steel 12 . and the first I-shaped steel 11 or the channel steel 12 are connected and fixed for the second time, and the first web plate 111 of the first I-shaped steel 11 or the channel steel 12 is welded and fixed to the connection base 21,
Each connection base 21 can connect four first I-ropes 11 or channel steels 12 at the same time, and every four first I-ropes 11 or channel steels 12 are engaged with each other end-to-end to form a rectangular or rhomboidal shape. form a frame
A rectangular or diamond-shaped frame is lifted above the soil layer of the slope requiring shoring, arranged in a matrix and connected in sequence to form a net-like frame structure,
An anchor bolt is drilled into the first anchor fixing hole 212 and inserted into the soil layer of the slope, the end of the anchor bolt is located in the first anchor fixing hole 212,
The fixing ring 3 is mounted on the anchor bolt, and the inner surface of the fixing ring 3 is welded to the outer surface of the anchor bolt, the outer surface of the fixing ring 3, and the hole wall of the first anchor fixing hole 212, whereby the anchor bolt, The fixing ring 3 and the connection base 21 are connected together.

As can be seen, first the connection base 21, the first I-rope 11 or the channel steel 12 are first hoisted one by one onto the soil layer of the slope requiring shoring, then the first I-rope 11 or the channel The shape steel 12 and the connection base 21 may be connected, and the method is not limited to the above method.

Example 2
In this embodiment, the same reference numerals are used for the same structures as in Embodiment 1, and the difference of this embodiment from Embodiment 1 is that, as shown in FIGS. It is a 2 I-shaped rope 13, and a second flange plate 132 and a third flange plate 133 are installed on both sides of the second web plate 131 of the second I-shaped rope 13, and the end of the second flange plate 132 is connected to the second web plate 131 to form an engaging portion suitable to be engaged in an engaging groove 211 on the connecting base 21, and both the engaging portion and the groove wall of the engaging groove 211 are provided with a first connection The holes 22 are correspondingly located.

In the above installation, the preform shaped steel 1 and the connection base 21 are engaged with each other by the engagement between the engagement portion formed by extending the end of the second flange plate 132 and the engagement groove 211 on the connection base 21. After the initial fixation is achieved, the preform shaped steel 1 and the connection base 21 are further connected and fixed for the second time by engaging and mounting the first connection bolt and the first connection hole 22, and the preform shaped steel 1 and the connection base are fixed. 21 can also be realized.

Specifically, both ends of the second flange plate 132 are extended apart from the second web plate 131 to form an engaging portion, that is, the length of the second flange plate 132 is the length of the third flange plate 133 and A portion larger than the length of the second web plate 131 and extending is an engaging portion,
The engaging part is a rectangular plate, the engaging groove 211 is a rectangular blind groove, the rectangular plate is engaged with the rectangular blind groove, and the rectangular blind grooves are arranged along the four corners of the connecting base 21. .

In this embodiment, in order to further improve the connection strength between the preform shaped steel 1 and the connection base 21, the engagement portion is welded and fixed to the contact surface of the engagement groove 211. Therefore, the connection base 21 and the preform shape The strength and reliability of the connection between the preform shaped steel 1 and the connection structure 2 are enhanced by the engagement with the steel 1, the engagement between the first connection bolt and the first connection hole 22, and the welding between the engagement portion and the engagement groove 211. is ensured.

Example 3
In this embodiment, the same reference numerals are used for the same structures as in Embodiment 1, and the difference of this embodiment compared to Embodiment 1 is that the preform shaped steel 1 intersects as shown in FIGS. The first shape steel 14 and the second shape steel 15 are installed so that the connection structure 2 intersects and connects and fixes the first shape steel 14 and the second shape steel 15 that are installed. It is to be installed between the steel 14 and the second section steel 15 . Specifically, the connection structure 2 includes a second connection hole 1431, a third connection hole 1521 and a second connection bolt, the second connection hole 1431 is installed in the first section steel 14, and the third connection hole 1521 is the second The second connecting hole 1431 corresponds to the third connecting hole 1521 , and the second connecting bolt is attached to correspond to the second connecting hole 1431 and the third connecting hole 1521 .

In the above installation, the second connection hole 1431 is installed in the first section steel 14, the third connection hole 1521 is installed in the second section steel 15, and the second connection bolt is installed in the second connection hole 1431 and the third connection hole By mounting corresponding to 1521, cross-connection fixation between the first section steel 14 and the second section steel 15 is realized, and the connection strength of both is ensured.

Specifically, the first section steel 14 and the second section steel 15 are crossed and connected to form a cross frame, and a plurality of cross frames are arranged in a matrix and connected and fixed to form a mesh frame structure. can do. Exemplarily, the ends of adjacent cross frames are welded together, i.e., the end of the adjacent first section steel 14, the end of the adjacent second section steel 15, and the adjacent first section steel 14 and the second section steel. The ends of the section steel 15 can be welded and fixed, thereby ensuring the connection strength of the entire mesh frame structure.

Further, a first engagement groove 1421 is provided in the first section steel 14, a second engagement groove 1511 is provided in the second section steel 15, and the second engagement groove 1511 is engaged with the first engagement groove 1421. The second connecting hole 1431 is installed in the groove wall of the first engaging groove 1421 , and the third connecting hole 1521 is installed in the groove wall of the second engaging groove 1511 . By engaging the first engaging groove 1421 and the second engaging groove 1511 of the first steel section 14 and the second steel section 15, the engagement limit can be achieved to avoid both rotating with each other. , improve connection stability.

Regarding the specific structure, in this embodiment, both the first section steel 14 and the second section steel 15 are the third I-section steel, and the third web plate 141 and the fourth flange plate 142 of the first section steel 14 are is provided with a first engagement groove 1421 penetrating through, the second connection hole 1431 is installed in the fifth flange plate 143 of the first section steel 14 and communicates with the first engagement groove 1421, and the second section steel 15 The sixth flange plate 151 is provided with a second engagement groove 1511 communicating with the fourth web plate 152 of the second section steel 15 , and the fourth web plate 152 is connected to the first engagement groove 1421 on the third web plate 141 . The third connecting hole 1521 is installed in the fourth web plate 152 and communicates with the second engaging groove 1511 . In this installation, when the first section steel 14 and the second section steel 15 are installed crossing each other, they are engaged by the first engagement groove 1421 and the second engagement groove 1511, that is, the fourth web plate 152 Engaging in the first engaging groove 1421 on the third web plate 141, drilling the second connecting bolt into the second connecting hole 1431 on the fifth flange plate 143, the first engaging groove 1421, the second The engagement groove 1511 is connected and fixed to the third connection hole 1521 on the fourth web plate 152, thereby engaging and engaging the second connection bolt with the second connection hole 1431 and the third connection hole 1521 to form the first connection hole. A reliable connection between the shaped steel 14 and the second shaped steel 15 is realized.

As an option, at least one of the second connection hole 1431 and the third connection hole 1521 may be set as a threaded hole so as to be threadedly engaged with the second connection bolt for easy attachment and detachment.

In this solution, the first section steel 14 and the second section steel 15 are both provided with second anchor fixing holes 16 correspondingly communicating and drilled by anchor bolts, and the fixing ring 3 is attached to the anchor bolts. It is installed and fixedly connected to the hole wall of the second anchor fixing hole 16 and the anchor bolt, thereby integrally connecting the first section steel 14, the second section steel 15 and the anchor bolt, thereby stabilizing the structure. highly sexual.

Obviously, the above examples are merely illustrative examples and are not intended to limit the embodiments. Still other different types of changes or variations can be made by those skilled in the art based on the above description. It is not possible, nor necessary, to exhaustively illustrate all embodiments here. And the obvious changes or variations that can be conceived by this are still within the protection scope of the creation of this utility model.

1 preform steel 11 first I-shaped steel 111 first web plate 112 first flange plate 12 channel steel 13 second I-shaped steel 131 second web plate 132 second flange plate 133 third flange plate 14 first shape steel 141 Third web plate 142 Fourth flange plate 1421 First engagement groove 143 Fifth flange plate 1431 Second connection hole 15 Second section steel 151 Sixth flange plate 1511 Second engagement groove 152 Fourth web plate 1521 Third connection Hole 16 Second anchor fixing hole 2 Connection structure 21 Connection base 211 Engagement groove 212 First anchor fixing hole 22 First connection hole 3 Fixing ring

Claims (13)

A slope shoring structure,
a preform shaped steel (1), which is installed in plurality and engaged in an annular crossing manner to form a net-like frame structure;
Installed between the adjacent preform shaped steels (1) so as to connect the adjacent preform shaped steels (1) and/or so as to connect the intersecting preform shaped steels (1) A shoring structure for a slope, characterized in that it comprises a connecting structure (2) installed between the crossing preformed steels (1). The connecting structure (2) is installed between the adjacent preform shaped steels (1) and comprises a connecting base (21), wherein one of the connecting base (21) and the preform shaped steel (1) Claim 1, characterized in that one side is provided with an engaging portion and the other side is provided with an engaging groove (211), and the engaging portion is adapted to be engaged in the engaging groove (211). shoring structure for the slope according to . The connection structure (2) further comprises a first connection bolt, the connection base (21) and the preformed steel (1) are both provided with corresponding first connection holes (22), and the first A slope shoring structure according to claim 2, characterized in that a connecting bolt is engaged and mounted in said first connecting hole (22). The preform steel (I) is a first I-shaped steel (11) or a channel steel (12), and a first web plate (111) of the first I-shaped steel (11) or the channel steel (12) The first flange plates (112) on both sides of the are the engaging parts, suitable for being engaged in the engaging grooves (211) on the connection base (21), and the first I-shaped rope ( II) or the first web plate (111) of the channel steel (12) and the connecting base (21) are both correspondingly installed with the first connecting hole (22). 3. The slope shoring structure according to 3. 5. A slope according to claim 4, characterized in that said first I-section steel (11) or first web plate (111) of said channel steel (12) is welded and fixed to said connecting base (21). Shoring structure. The preform steel (1) is a second I-shaped steel (13), and a second flange plate (132) and a third flange plate are provided on both sides of the second web plate (131) of the second I-shaped steel (13). (133) is installed, the end of said second flange plate (132) extends away from said second web plate (131) to form said engaging groove (211) on said connecting base (21). The first connecting hole (22) is correspondingly installed on both the engaging portion and the groove wall of the engaging groove (211). The slope shoring structure according to claim 3, characterized in that: The slope shoring structure according to claim 6, characterized in that said engaging portion is fixed by welding to the contact surface of said engaging groove (211). The connecting base (21) is further provided with a first anchor fixing hole (212) suitable for anchor bolts to be drilled,
The slope shoring structure further comprises a fixing ring (3), the fixing ring (3) is installed in the first anchor fixing hole (212) and fitted around the outer circumference of the anchor bolt, and the The method according to any one of claims 2 to 7, characterized in that a fixing ring (3) is fixedly connected to both the hole wall of the first anchor fixing hole (212) and the outer surface of the anchor bolt. Plane shoring construction. The preform shaped steel (1) comprises a first shaped steel (14) and a second shaped steel (15) installed crosswise, and the connecting structure (2) comprises the first shaped steel (14) and the A second connection hole (1431) installed between the second section steel (15), the connection structure (2) being installed in the first section steel (14), and the second section steel (15) and a third connection hole (1521) installed in the second connection hole (1431) corresponds to the third connection hole (1521),
The slope shoring structure according to claim 1, characterized in that second connection bolts are installed correspondingly to the second connection hole (1431) and the third connection hole (1521). A first engaging groove (1421) is provided in the first steel section (14), a second engaging groove (1511) is provided in the second steel section (15), and the second engaging groove (1511) is provided in the second steel section (15). ) can be engaged with the first engagement groove (1421), the second connection hole (1431) is installed in the groove wall of the first engagement groove (1421), and the third connection hole (1521) is The slope shoring structure according to claim 9, characterized in that it is installed on the groove wall of the second engaging groove (1511). Both the first section steel (14) and the second section steel (15) are the third I-section steel, and the third web plate (141) and the fourth flange plate (142) of the first section steel (14) ) is provided with the first engagement groove (1421) penetrating therethrough, and the second connection hole (1431) is installed in the fifth flange plate (143) of the first section steel (14) to form the first communicating with the engagement groove (1421),
The sixth flange plate (151) of the second section steel (15) is provided with the second engagement groove (1511) communicating with the fourth web plate (152) of the second section steel (15), The fourth web plate (152) can be engaged in the first engagement groove (1421) on the third web plate (141), and the third connection hole (1521) is connected to the fourth web plate (152). ) and communicates with the second engaging groove (1511). The first section steel (14) and the second section steel (15) are each provided with a second anchor fixing hole (16) communicating with each other and through which an anchor bolt is bored. A slope shoring structure according to any one of claims 9 to 11. The first shaped steel (14) and the second shaped steel (15) are installed crosswise to form a cross frame, and a plurality of the cross frames are arranged in a matrix to form the mesh frame structure. The slope shoring structure according to any one of claims 9 to 11, wherein the ends of the adjacent cross frames are fixed by welding.

Images