KR100979138B1 - Elevator pit structure - Google Patents

Abstract

The present invention provides an elevator pit bottom structure for forming an elevator pit, the bottom portion being located at the bottom of the elevator pit; A three-dimensional reinforcement member provided on an upper portion of the bottom portion to reinforce internal strength and support strength; And it relates to an elevator pit bottom structure characterized in that it comprises a form coupled upwardly along the outside of the bottom portion to form an inner space opened to the upper center of the bottom portion.

Since the present invention does not require a configuration for forming a complex concrete structure through the formwork, it is possible to reduce the construction cost and construction period due to the reinforced concrete work, easy to transport, less production cost, side walls and frame The coupling portion is provided to facilitate the coupling, there is an effect to provide an elevator pit bottom structure that can be easily removed or not removed according to the construction environment.

Description

Elevator Pit Bottom Structure {ELEVATOR PIT STRUCTURE}

The present invention relates to an elevator pit bottom structure, and more particularly, when forming the bottom of the elevator pit, it does not require a configuration for forming a complex concrete structure, construction work is easy, and production costs are low, It relates to an elevator pit bottom structure is provided with a coupling portion to facilitate the coupling of the side wall portion and the mold, so that the mold can be easily removed or not removed according to the construction environment.

The elevator pit should provide a space to check the elevator from below, and for this purpose it is configured at the bottom to have a space about 2 meters above the bottom of the lowest floor. The elevator pit structure is designed to support the load of the building by the wall, the load of the wall is transmitted to the ground through the bottom structure of the lower portion. To this end, a base structure for supporting it at the bottom of the elevator pit should be formed, and at the same time, a space for checking the elevator should be secured.

In order to provide such a structure, a pit substructure of a steel structure having a plurality of ribs has been conventionally provided, but this structure is enlarged in size by combining a plurality of ribs of vertical plate type to reinforce strength, and the weight of the structure is increased. As a result, there is a disadvantage in that manufacturing and transportation are difficult. However, in the case of forming the structure by the concrete structure through the formwork, there is a problem that the cost is expensive and the construction period is increased due to the difficult reinforced concrete work.

On the other hand, in general, the elevator pit structure is usually installed on the basement floor surface, when flowing water flows into the floor surface, the elevator pit structure is inclined to one side by this flow, causing the cracks to occur May be Therefore, in the construction of the elevator pit structure, a situation in which a drainage method for draining running water is required, but the conventional elevator pit structure is most often constructed without such a drainage method.

In order to solve the above problems, it is an object of the present invention to provide an elevator pit bottom structure without the need for a steel structure of a complex configuration, such as ribs, without forming a concrete structure that requires a lot of air.

In addition, an object of the present invention is to provide an elevator pit bottom structure in which the flowing water flowing into the bottom portion is discharged to the outside so that the structure is inclined to one side or cracks do not occur.

In addition, it is an object of the present invention to provide an elevator pit bottom structure to facilitate the coupling of the side wall portion and the mold, so that the mold can be easily removed or not removed according to the construction environment.

In order to achieve the above object, the present invention provides an elevator pit bottom structure for forming an elevator pit, the bottom being located at the bottom of the elevator pit; A three-dimensional reinforcement member provided on an upper portion of the bottom portion to reinforce internal strength and support strength; And a mold coupled upwardly along an outer side of the bottom portion to form an inner space opened to the center upper side of the bottom portion.

In addition, a side wall portion is positioned between the bottom portion and the mold, the side wall portion provides an elevator pit bottom structure, characterized in that located above the bottom portion.

In addition, the side wall portion and the mold is separated from each other, it provides an elevator pit bottom structure characterized in that the detachably coupled to each other through the coupling portion formed in each of the upper end and the lower end of the mold.

In addition, the side wall portion and the mold are separated from each other, the inner side facing the inner space in the side wall portion, and the outer side facing the inner space in the mold is configured to be located on the same line with each other It provides an elevator pit bottom structure characterized in that the side wall portion and the mold is detachably coupled through a coupling portion provided at the upper end of the side wall portion and the lower end of the mold.

In addition, the coupling portion formed in an angle shape includes a first coupling portion provided in the upper end portion of the side wall portion, and a second coupling portion provided in the lower end portion of the mold, one surface of the first coupling portion and the second coupling portion An elevator pit bottom structure is provided which is coupled in a superimposed or abutted state.

' 형상 중 어느 하나로 형성되는 것을 특징으로 하는 엘리베이터 피트 하단 구조물을 제공한다.In addition, the reinforcing member is in the form of a long beam, the cross section is triangular, square, circle, 'H', 'I''c','b' or '

It provides an elevator pit bottom structure, characterized in that formed in any one of the 'shape.

In addition, the reinforcing member provides an elevator pit bottom structure, characterized in that configured to be firmly coupled to each other by a fastening member or an adhesive member or welding.

In addition, the space provided between each of the reinforcing members of the plurality of the reinforcing member provides an elevator pit bottom structure, characterized in that the concrete is configured to be poured.

In addition, the bottom provides an elevator pit bottom structure, characterized in that formed of a cement mixture.

In addition, the bottom portion provides an elevator pit bottom structure, characterized in that consisting of one or more selected from iron plate or steel sheet or plated or stainless steel plate.

In addition, the mold provides an elevator pit bottom structure, characterized in that formed in the flow path.

In addition, the bottom portion provides an elevator pit bottom structure, characterized in that the stainless steel plate is provided to cover the top surface of the bottom portion.

In addition, the side wall portion is provided with an elevator pit bottom structure characterized in that the stainless steel plate is provided to cover the inner surface of the side wall portion.

In addition, the bottom portion or the reinforcing member or the mold or the side wall portion provides an elevator pit bottom structure, characterized in that one or more engaging projection member is formed protruding.

In addition, the bottom portion is formed by combining two or more, each side of the bottom facing each other provides an elevator pit bottom structure, characterized in that configured to be coupled to each other.

In addition, it provides an elevator pit bottom structure characterized in that the bottom layer is located above the reinforcing member.

In addition, at least one injection hole is drilled in the bottom layer, and an elevator pit bottom structure is provided, wherein the cement mixture is configured to flow into the bottom of the bottom layer through the injection hole.

In addition, the bottom layer is formed of a cement mixture, the top surface of the bottom layer provides an elevator pit bottom structure, characterized in that configured to be coated with urethane.

In addition, the bottom of the elevator pit is formed by the trench is formed in the bottom, the inner peripheral surface of the floor installation groove and the outer lower portion of the mold is poured concrete, the pit support floor is provided to form the bottom floor of the building, The outer side of the mold provides an elevator pit bottom structure characterized in that the pit support wall portion is provided to surround and support the outer circumference of the elevator moving space.

In addition, support bars are vertically and horizontally disposed on the outer side of the mold and the pit support bottom part, so that all or part of the load transmitted from the upper end to the lower end of the pit support wall part is supported by the pit support floor. An elevator pit bottom structure is provided which is easily guided out of the part.

In addition, the support reinforcement is also longitudinally and horizontally disposed outside the side wall portion located between the bottom portion and the mold, so that all or part of the load transmitted from the upper end to the lower end of the pit support wall part is supported by the support reinforcement. It provides an elevator pit bottom structure characterized in that it is more easily guided to the outside of the pit support bottom.

In addition, there is provided an elevator pit bottom structure, characterized in that the sump is formed further from one side of the bottom portion to discharge the flowing water flowing into the top of the bottom portion to the outside.

In addition, the lower side of the sump and the elevator pit bottom pit surface is spaced apart from each other, a space is formed, when the concrete is poured into the bottom of the elevator pit and the mold, the concrete is configured to fill the space Provides an elevator pit bottom structure, characterized in that.

In addition, the sump is a sump bottom is located at the bottom of the elevator pit; And a water collecting well side wall portion coupled upwardly along an outer side of the water collecting well bottom so that an accommodation space is formed above the center of the water collecting well bottom.

In addition, the bottom surface of the sump well or the sump side wall is provided with an elevator pit bottom structure characterized in that the stainless steel plate is provided on one surface corresponding to the receiving space.

In addition, the inside of the sump bottom or the sump side wall is provided with a hollow portion, provides a bottom structure of the elevator pit characterized in that the cement mixture is filled in the hollow portion.

In addition, the sump bottom or the sump side wall is provided with a plurality of coupling is formed, the side facing each other provides an elevator pit bottom structure, characterized in that configured to be coupled to each other.

In addition, it provides an elevator pit bottom structure characterized in that the sump is provided upward from one side of the bottom portion to discharge the flowing water flowing into the top of the bottom portion to the outside.

In addition, the sump provides an elevator pit bottom structure, characterized in that provided in a space formed while the plurality of the reinforcing members are coupled to each other.

The present invention does not require a configuration for forming a complex concrete structure through the formwork, it is effective to provide an elevator pit bottom structure that can reduce the construction cost and construction period due to reinforced concrete work.

In addition, the present invention has the effect of providing an elevator pit bottom structure to ensure a lower support strength through the three-dimensional bottom, even without a plurality of steel ribs.

In addition, the present invention has the effect of providing an elevator pit bottom structure that is easy to carry and requires a low production cost by using the bottom portion and the side portion capable of mass production, field assembly.

In addition, the present invention has the effect of providing an elevator pit bottom structure that can secure the support strength in a simple configuration, can be firmly fixed in the concrete layer.

In addition, the present invention is provided with a water collecting well, it is possible to easily discharge the flow of water or rainwater flowing into the bottom of the elevator pit to the outside, the elevator pit that can prevent the stiffness of the elevator pit due to the water collecting well is lowered It is effective to provide the bottom structure.

 In addition, the present invention allows the load of the pit support wall portion to be guided to the pit support floor by the support reinforcement, and due to the rigid structure of the bottom portion, the buoyancy and relatively low buoyancy against upward hydraulic pressure without burdening the building load or bearing force Since only the level of load, bearing capacity, the floor concrete layer is made thin, it is effective to provide a lower structure of the elevator pit that can reduce construction costs and shorten the air.

In addition, the present invention is provided with a coupling portion to facilitate the coupling of the side wall portion and the mold, there is an effect to provide an elevator pit bottom structure that can be easily removed or not removed according to the construction environment.

Hereinafter, the configuration of the present invention will be described in detail with reference to embodiments of the present invention shown in the accompanying drawings.

1 is a view showing a cross section of the elevator pit bottom structure of the present invention.

Referring to FIG. 1, in the elevator pit bottom structure of the present invention, a cast concrete layer 2 is placed on a flat bottom surface 1, and a plate-shaped bottom portion 100 is positioned thereon. At this time, a bottom installation groove 10 is formed on the bottom surface 1, the discarded concrete layer (2) is cast on the floor mounting groove 10, the bottom portion 100 is to be positioned on the discarded concrete layer (2) Can be. The height of the discarded concrete layer 2 may vary depending on site conditions, and in some cases, the discarded concrete layer 2 may be omitted.

And the upper portion of the bottom portion 100 is provided with a reinforcing member 150 and the bottom layer 170, the mold 300 is formed along the outside of the bottom portion 100 so that an open space is formed on the upper surface of the bottom portion 100 It is configured to be coupled vertically upwards. In addition, concrete is poured into the inner circumferential surface of the floor installation groove 10 in which the bottom portion 100 is positioned and the outer lower portion of the mold 300 to form the pit support bottom portion 20, and in the pit support bottom portion 20. Concrete is poured vertically upward along the outside of the mold 300 to form the pit support wall part 30.

The bottom part 100 is formed in a plate shape having a predetermined thickness to secure the internal strength and the support strength, the bottom part 100 is thus configured to serve as the bottom surface of the elevator pit. And the bottom portion 100 may be used by cutting to a size suitable for the site as needed.

And the bottom portion 100 may be composed of any one or more selected from the iron plate or steel plate or plated plate or stainless steel plate according to the site conditions, it may also be composed of a cement mixture.

' 형상 중 어느 하나로 형성될 수 있으며, 보강부재(150)의 단면 형상을 이들로 한정하는 것은 아님은 당연하고, 시공 환경에 따라 입체형을 가지는 다양한 형태로 구성될 수도 있다.The reinforcing member 150 is configured in a three-dimensional shape having a thickness for securing the internal strength and the support strength, and is configured to have a strong strength due to the support structure on the inside. Such a reinforcing member 150 is in the form of a long beam, a plurality of consecutively arranged in a row at the top of the bottom portion 100, the cross section is triangular or square or circle or 'H' or 'I' or 'c' or '

'It may be formed in any one of the shape, the cross-sectional shape of the reinforcing member 150 is not limited to these, of course, may be configured in various forms having a three-dimensional shape according to the construction environment.

And the reinforcing member 150 is configured such that an empty space is formed inside, the empty space is filled with a cement mixture, such as mortar, or the cement mixture itself in the form 300 in the form of the reinforcing member 150 is filled in the field, etc. It may also be manufactured.

The three-dimensional reinforcement member 150 is light in weight and easy to manufacture and transport, but has the advantage of a very high structural strength. For this reason, there is no need to additionally install an auxiliary support structure such as a separate rib. In addition, the reinforcing member 150 is empty so that the weight does not go out much, it is possible to easily carry the mass-produced products in the factory to the site. Thus, the reinforcing member 150 carried to the site has the advantage that the strength can be selectively doubled by filling the cement mixture therein.

On the other hand, the reinforcing member 150 may be manufactured and used in the field as needed. At this time, after pouring concrete into the mold 300 of the shape of the reinforcing member 150, by curing, it is possible to manufacture the reinforcing member 150 in the field.

Each of the reinforcing members 150 may be configured to be firmly and tightly connected to each other by a fastening member such as a bolt or an adhesive member. As such, when the reinforcing members 150 are tightly connected to each other, there is an effect of preventing the groundwater flowing from the building bottom surface 1 to penetrate the outside of the reinforcing members 150.

And the concrete 160 is poured in the space located between each of the reinforcing members 150 of the plurality of reinforcing members 150. Since the cast concrete 160 is firmly connected to the reinforcing member 150, the bottom portion 100 has a strong bearing force by the reinforcing member 150 and the concrete 160, in the floor installation groove (10) There is an advantage that can more easily withstand the upward buoyancy and the load applied from the outside.

The bottom layer 170 is positioned above the reinforcing member 150, and after concrete 160 is poured into a space located between each of the reinforcing members 150, the concrete 160 Cement mixture is formed on top of While the bottom portion 100 is configured to be firmly maintained by the bottom layer 170 formed as described above, the upper surface of the bottom layer 170 is coated with a urethane (not shown) having a waterproof function, even if flowing water flows into the bottom plate. The lower portion of the bottom plate may be configured such that water does not leak.

The mold 300 is formed in the vertical direction along the outside of the bottom portion 100 so that a space opened to the center side of the bottom portion 100 is formed, and the worker on the upper side of the bottom portion 100 by the mold 300. There is provided a space to work, and by the bottom portion 100 and the mold 300, while the load of the building is supported, at the same time a space for checking the elevator is secured. And the size, height of the mold 300 may be formed and provided in accordance with the situation of the site, it may be cut to use the size suitable for the site. And the mold 300 may be formed of plywood or flow path.

Meanwhile, the bottom part 100 may further include a side wall part 200 thereon. That is, the bottom part 100 is located above the bottom plate 1 having the bottom installation groove 10 or the discarded concrete layer 2, and the side wall part 200 is vertically upward from the outside of the bottom part 100. Is built. And the side wall portion 200 is formed integrally vertically upward from the outside of the bottom portion 100, or formed in a state separated from each other, and then are mutually coupled. The side wall portion 200 positioned as described above provides a space in which an operator can work on the upper side of the bottom portion 100.

And the mold 300 is coupled to the upper end of the side wall portion 200, at this time, the inner side facing the central upper side of the bottom portion 100 in the side wall portion 200, the bottom portion 100 in the mold 300 The outer surfaces that do not face the central top of the are configured to be located on the same line with each other. That is, when concrete is poured into the outer side and the upper side of the side wall portion 200 to form a wall, the mold 300 is padded on one surface of the wall to provide a frame in which the wall is formed, the side wall portion 200 The inner surface of the) and the outer surface of the mold 300 is located on the same line. In this case, the coupling part 400 may be provided at the upper end of the side wall part 200 and the lower end of the mold 300 so that the mold 300 may be easily positioned above the side wall part 200.

It is preferable that the coupling part 400 is formed in an angle shape, and the first coupling part 402 detachably provided at the upper end of the side wall part 200, and the removable part provided at the lower end of the mold 300. It is configured to include two engaging portions (404). One surface of the first coupling portion 402 and one surface of the second coupling portion 404 are detachably coupled to each other by a fastening member such as a bolt or a chain in a state where the surfaces of the first coupling portion 402 are overlapped or joined to each other, and curing of the wall is completed. The mold 300 may or may not be removed depending on the surface and construction environment.

 By the bottom part 100, the side wall part 200, and the mold 300, the load of the building is supported, and at the same time, an open space for moving the elevator can be formed upward, and is poured out of the bottom part 100. That is, the concrete layer, that is, the cement mixture is configured not to flow in the upper side of the bottom portion 100.

In addition, a stainless plate 205 may be added to cover the top surface of the bottom portion 100 or the inner surface of the side wall portion 200 to prevent corrosion of the bottom portion 100 or the side wall portion 200.

In addition, the coupling protrusion member 410 is formed on the bottom part 100, the side wall part 200, or the mold 300. Coupling protrusion member 410 is preferably composed of a stud bolt (Stud Bolt), when the pit support bottom portion 20 is poured out of the bottom portion 100, the side wall portion 200 or the mold 300 When the bottom part 100, the side wall part 200, or the mold 300 are formed of a cement mixture, the inner part of the bottom part 100, the side wall part 200, or the mold 300 are formed of a cement mixture. Protruding member 410 may be formed, such that the cement mixture may be configured to maintain more firm strength.

2 is a view showing another case where the conventional structure is installed at the bottom of the elevator pit.

Referring to Figure 2, the conventional elevator pit is designed in a structure that can support the load of the building to the wall, the load of the wall is transmitted to the ground through the elevator bottom structure of the lower end. To this end, a base structure for supporting it at the bottom of the elevator pit should be formed, and at the same time, a space for checking the elevator should be secured.

To this end, a bottom installation groove 1a is formed by digging in the bottom surface 1 of the elevator pit, and a conventional elevator pit bottom structure 5 is disposed on the top of the floor installation groove 1a, and the floor installation groove. Concrete is poured around perimeter 1a and the elevator pit bottom structure 5 to form a pit support bottom 20. The pit support bottom portion 20 thus formed forms the bottom foundation of the lowest floor that the elevator can reach. On the other hand, the pit support bottom portion 20 may be formed by placing concrete only around the elevator pit bottom structure 5 without concrete being poured in the interior of the floor installation groove 1a according to the site conditions.

Then, concrete is poured from the pit support bottom portion 20 vertically upward along the outer side of the elevator pit bottom structure 5 so that the elevator pit bottom structure 5 is firmly supported so that the pit support wall portion 30 is formed.

Here, the depth d 'of the floor mounting groove 1a is a solid that can bear the upward buoyancy applied to the bottom of the elevator pit bottom structure 5 and the load transmitted downward from the pit support wall portion 30 at the same time. In order to maintain the strength of the structure, it is necessary to dig beyond the depth corresponding to the thickness d of the pit support bottom 20.

However, the excavation of the depth d 'of the floor installation groove 1a to correspond to the thickness d of the pit support bottom 20 is cumbersome, resulting in a long construction cost and a long construction period. have.

3 is a view showing a case in which the structure of the present invention is installed at the bottom of the elevator pit.

Referring to Figure 3, the elevator pit bottom structure of the building is disposed on the bottom surface (1) of the elevator pit bottom structure of the present invention, the concrete is poured around the layer is layered again. At this time, the bottom surface (1) to form a bottom installation grooves 10 by digging, so that the bottom portion 100 and the mold 300 of the present invention is disposed in the floor installation grooves (10).

In addition, concrete is poured into the outer lower portion of the bottom installation groove 10 and the mold 300 so that the pit supporting bottom portion 20 is formed. The pit support bottom portion 20 thus formed forms the bottom foundation of the lowest floor that the elevator can reach. Then, concrete is poured vertically upward along the outer side of the mold 300 from the pit support bottom portion 20 so that the elevator pit 5 is firmly supported so that the pit support wall portion 30 is formed.

At this time, the support reinforcing bars 420 are vertically and horizontally arranged in the inside of the pit supporting floor 20, and the pit supporting wall is formed by the supporting bars 420 embedded in the pit supporting floor 20. The load transmitted from the upper end to the lower end of the part 30 is induced to the outside of the pit support bottom part 20.

On the other hand, the depth (d ″) of the bottom mounting groove 10 is a solid that can withstand the upward buoyancy applied from the bottom of the bottom surface 10 and the load transmitted downward from the pit support wall portion 30 at the same time In order to maintain the strength of the structure, it is necessary to dig more than the depth (d) of the pit support bottom (20).

However, when the structure of the present invention is used, the depth d ″ of the bottom mounting groove 10 is made smaller by the support reinforcement 420 than the depth d of the pit support bottom 20. Since it is possible to form a structure of the support buoyancy to withstand the upward buoyancy applied to the bottom surface 1 and the load applied from the pit support wall portion 30, thereby reducing the construction cost and construction period You have the advantage.

4 is a view showing another embodiment in which the elevator pit bottom structure of the present invention is installed.

Referring to FIG. 4, in the elevator pit bottom structure of the present invention, a cast concrete layer 2 is poured on the bottom surface 1 of the elevator pit, and the bottom part 100, the reinforcing member 150, and the side wall part ( 200, the mold 300 and the buffer spring 430 are located. At this time, a bottom installation groove 10 is formed on the bottom surface 1, the bottom portion 100 may be located in the floor installation groove 10, and the discarded concrete layer 2 may be omitted depending on site conditions. It may be. In addition, reinforcing bars (not shown) may be disposed inside the discarded concrete layer 2 so that the discarded concrete layer 2 has a stronger strength.

Bottom portion 100 is formed in a plate shape, the material may be composed of a metal or cement mixture.

In addition, a plurality of bottom parts 100 may be provided, and each bottom part 100 may be connected to each other and used. That is, the bottom part 100 is divided into a predetermined length, and the divided bottom part 100 is continuously positioned in the bottom installation groove 10 of the bottom surface 1, and then both sides of the one bottom part 100. The junction portion 110, which is vertically formed at each end portion or one side end portion, is in close contact with the junction portion 110 of the other bottom portion 100. It is firmly fixed.

As such, when the bottom part 100 is difficult to locate the large bottom part 100 in the floor installation groove 10 due to its size or weight, the bottom part 100 is divided into a plurality of pieces, and then transported and installed. Thus, by continuously coupling, there is an advantage that the bottom portion 100 can be easily located in the floor installation groove (10).

On the other hand, concrete is poured into the inner circumferential surface of the floor installation groove 10 where the bottom portion 100 is located and the outer lower portion of the mold 300 to form the pit support bottom portion 20, wherein the pit support bottom portion ( In the inside of the 20, the support reinforcing bars 420 are vertically and horizontally intersected and arranged at the upper end of the pit support wall unit 30 by the supporting bars 420 embedded in the pit supporting floor 20. The load transmitted to the lower end is led to the outside of the pit support bottom 20.

As such, the load of the pit support bottom portion 20 is not applied to the bottom installation groove 10, as shown in the conventional structure of FIG. 2, and guided to the outside of the pit lower end 100, thereby providing the bottom installation groove 10. Since only the upward buoyancy applied from the bottom surface of the pit lower end 100, the depth of the floor mounting groove 10 of the present invention (d '': shown in Figure 3) the bottom of the conventional structure shown in Figure 2 The depth of the installation groove 10 (d ') can be formed smaller than the excavation, and thereby has the advantage of reducing the construction cost and construction period.

The reinforcing member 150 is configured as a reinforcing member 150 of FIG. 1 and has a three-dimensional shape having a thickness for securing an internal strength and a supporting strength, and is configured to have a strong strength due to the inner supporting structure. As such, by the reinforcing member 150 positioned at the top of the bottom part 100, the bottom part 100 is configured to be held firmly, so that the load of the pit support wall part 30 is supported by the support reinforcing bar 420. When guided to the outside of the support bottom portion 20, even if some loads of the pit support wall portion 30 and the pit support bottom portion 20 are applied to the floor installation groove 10, it is firmly configured to provide strong bearing force. Branch reinforcement member 150 is to maintain the floor installation groove 10 is firmly, thereby forming a small excavation of the depth (d '') of the floor installation groove 10 is configured so that no safety problems occur. .

On the other hand, when the concrete 160 is poured around the reinforcing member 150, in FIG. 1, after the concrete 160 is poured, the bottom layer 170 is formed. In some cases, the bottom layer 170 is prepared in advance. After placing the upper portion of the reinforcing member 150, the concrete 160 may be poured between the reinforcing members. In this case, a plurality of injection holes (not shown) are formed in the bottom layer 170 positioned above the reinforcing member 150, and the injection tube 174 is inserted into the injection holes. In addition, the concrete 160 may be poured and grouted into an empty space between the reinforcing members 150 through the injection hole and the injection pipe 174, so that the strength of the reinforcing member 150 may be made stronger. have. When the injection hole is manufactured, the bottom layer 170 may be formed in a hole shape in advance, and in some cases, a worker may drill and form the bottom layer 170 with a drill or the like.

This grouting method is to inject a filler such as a cement mixture into the space formed under the bottom layer 170, the purpose of preventing leakage or ground reinforcement.

The side wall part 200 is erected vertically from the outside of the bottom part 100. And the side wall portion 200 is formed integrally vertically upward from the outside of the bottom portion 100, or formed in a state separated from each other, and then are mutually coupled. The side wall portion 200 positioned as described above provides a space in which an operator can work on the upper side of the bottom portion 100.

The mold 300 is formed in the vertical direction along the outside of the bottom portion 100 so that a space opened to the center side of the bottom portion 100 is formed, and the worker on the upper side of the bottom portion 100 by the mold 300. Space is provided for working. The mold 300 may be integrally formed with the side wall part 200, or may be separately coupled with the side wall part 200 by the first coupling part 402 and the second coupling part 404. In the case of a separate coupling type, after completion of construction, it may or may not be removed depending on the construction environment.

The shock absorbing spring 430 is for cushioning the impact strength as much as possible when the lower surface of the elevator falls to the bottom portion 100 of the elevator pit due to an accident or inspection due to an accident or the like. It is formed in the shape of an in-spring, and a plurality of dogs are positioned on the top surface of the bottom part 100.

5 is a view showing another case where the conventional structure is installed at the bottom of the elevator pit. Referring to FIG. 5, the elevator pit bottom structure 5 is disposed on the bottom surface 1 at the bottom of the elevator pit of the building B, and the pit support bottom portion 20 is poured around the pit support floor 20. Is achieved. At this time, the bottom surface (1) to form a floor installation groove (1a) by digging in order to place the elevator pit bottom structure (5), the cast concrete layer (2) is poured on top of the floor installation groove, An elevator pit bottom structure 5 is provided, and in some cases, the discarded concrete layer 2 may be omitted.

Here, the depth d '' 'of the floor installation groove 1a is formed to have the same thickness as the thickness d of the pit support bottom portion 20 to be cast, so that the conventional elevator pit bottom structure 5 has a strong structural strength. It is configured to be supported by. In addition, the floor installation groove (1a) may further include a water collecting well (not shown) to discharge the moisture or rainwater flowing into the lower portion of the elevator pit lower structure (5), in this case, the floor installation groove ( At the bottom of 10), a sump groove (not shown) of the sump size should be poured.

However, if the elevator pit bottom structure of the present invention is used, the depth of the bottom mounting groove 10 (shown in FIG. 6) can be made smaller than the thickness d of the pit support bottom 20, and the water collecting groove is Since the water wells can be spaced apart from each other, the water wells do not have to be precisely constructed to fit the size of the water wells, thereby reducing the construction cost and construction period.

6 is a view showing another example in which the structure of the present invention is installed at the bottom of an elevator pit. Referring to Figure 6, the bottom of the elevator pit of the building (B) is disposed on the bottom surface (1) of the bottom portion 100 and the mold 300 of the elevator pit bottom structure of the present invention, the pit support again around The bottom portion 20 is poured to form a layer. At this time, the bottom surface (1) to form a floor installation groove 10 by digging, so that the bottom structure of the elevator pit of the present invention in the floor installation groove (10). Here, even if the depth d '' 'of the floor mounting groove 10 is formed to be smaller than the thickness d of the pit support bottom portion 20 to be cast, the elevator pit lower structure When the bottom structure of the present invention is used, the depth d '' 'of the bottom mounting groove 10 is greater than the thickness d of the pit support bottom 20. It can be made small, and because the size of the water collecting well does not have to match the size of the water collecting well, there is an effect that can reduce the construction cost and construction period by that much.

7 is a view showing an embodiment in which the sump is provided in the lower structure of the elevator pit of the present invention. Referring to FIG. 7, the bottom of the elevator pit of the building is configured to further include a sump 500 in FIG. 4.

In general, the elevator pit is generally located in the basement of the building, it is easy to be exposed to running water or moisture, and the ventilation is not smooth, and water is introduced into the bottom of the elevator pit. In the present invention is configured to further include a sump (500) to discharge the water so introduced to the outside. Due to the sump 500, it is possible to easily discharge the rainwater flowing into the bottom of the elevator pit or the wash water used for cleaning to the outside.

The sump 500 is located inside the elevator pit, and is provided with a space for receiving groundwater or rainwater. Thus, when the sump 500 is located inside the elevator pit, the rigidity of the elevator pit may be lowered. Thus, although the sump 500 is located outside the elevator pit, in FIG. Since the reinforcing member 150 configured to be positioned above the bottom part 100 can withstand the upward buoyancy rising from the bottom installation groove 10, and can withstand the load applied from the pit support wall part 30. Since the sump 500 is located inside the elevator pit, the rigidity of the elevator pit due to the sump 500 is not lowered. As such, when the sump 500 is located inside the elevator pit, there is an advantage in that it is not necessary to provide a separate external space for positioning the sump 500.

In order for the sump 500 to be located inside the elevator pit, the bottom installation groove 10 of the bottom surface 1 of the elevator pit is provided with a sump trough 12 for inserting the sump 500. The size of the sump groove 12 is to be formed larger than the size of the sump 500, so that the bottom surface of the sump 500 and the sump groove 12 are spaced apart from each other to form the space portion 505 It is preferable. And the space portion 505 is configured to fill the space portion 505 when the concrete is poured into the floor installation groove 10 to form the pit support bottom portion 20, or the sump ( After the 500 is installed, concrete may be poured separately to fill the space 505.

Thus forming the space 505 in the lower portion of the sump 500, when forming the sump groove 12, the sump groove 12 to fit the size of the sump 500 and time and professional Since the equipment does not have to be precisely formed, there is an advantage of shortening the construction period.

On the other hand, in Figure 7, the water collecting well 500 is configured to be located in the water collecting groove 12, which is an embodiment, it is obvious that not limited to the water collecting well of the present invention, in some cases, The crystal (not shown) may be formed by a space formed while the plurality of reinforcing members 150 positioned on the top surface of the bottom portion 100 are coupled to each other. In this case, the concrete 160 placed between each reinforcing member 150 is configured to be selectively poured. As such, when the water collecting well is located above the bottom part 100, the water collecting well 12 does not have to be formed, thereby reducing the construction period and reducing the construction cost.

FIG. 8 is a view showing the water collecting well of FIG. 7 in detail. Referring to FIG. 8, the water collecting well 500 of the present invention is a space in which water flowing into the bottom of an elevator pit is accommodated, and includes a water collecting well bottom 510 and a water collecting well side wall 520.

The sump bottom 510 is formed in a plate shape and is located at the bottom of the sump trough 12 formed in the bottom installation groove 10 of the bottom surface 1 of the elevator pit.

The water collecting well side wall portion 520 is configured to be coupled vertically upward along the outer side of the water collecting well bottom 510 such that an accommodation space for accommodating water is formed above the center of the water collecting well bottom 510.

In addition, stainless steel plates 515 and 525 are padded on one surface of the water collecting well bottom 510 or the water collecting well side wall 520 to prevent corrosion from water.

In addition, a hollow part is provided in the sump bottom 510 or the sump side wall part 520, and the cement mixture is filled in the hollow part so that the sump bottom part 510 or the sump side wall part 520. The strength of can also be reinforced.

And the sump bottom 510 or the sump side wall 520 is formed in one according to the site, or according to the size required by the site, a plurality of can be formed in combination, the side facing each other bolt It is configured to be firmly coupled to each other by a fastening member such as.

As described so far, the elevator pit bottom structure of the present invention is provided with a bottom portion and a reinforcing member to secure support strength and structural strength without complicated reinforcing structures such as ribs, and easy coupling of the sidewall portion and the mold. Coupling portion is provided so as to. Since the elevator pit undercarriage is easy to manufacture, assemble, install and transport, not only mass production is possible, but also manufacturing cost is reduced, and the effect of advancing air is provided.

While the invention has been described in detail in the foregoing embodiments, it will be apparent to those skilled in the art that various modifications and variations are possible within the spirit of the invention, and such modifications and variations belong to the appended claims.

1 is a view showing a cross section of the elevator pit bottom structure of the present invention.

2 is a view showing a case in which a conventional structure is installed at the bottom of the elevator pit.

3 is a view showing a case in which the structure of the present invention is installed at the bottom of the elevator pit.

4 is a view showing another embodiment in which the elevator pit bottom structure of the present invention is installed.

5 is a view showing another case where the conventional structure is installed at the bottom of the elevator pit.

6 is a view showing another example in which the structure of the present invention is installed at the bottom of the elevator pit.

7 is a view showing an embodiment in which the sump is provided in the lower structure of the elevator pit of the present invention.

FIG. 8 is a view showing the water collecting well of FIG. 7 in detail.

<Description of Symbols for Main Parts of Drawings>

10: floor mounting groove 12: water collecting groove

20: pit support bottom portion 30: pit support wall portion

100: bottom portion 110: the junction

150: reinforcing member 160: concrete

170: bottom layer 174: injection tube

200: side wall portion 205: stainless steel plate

300: mold 400: coupling portion

402: first coupling portion 404: second coupling portion

410: coupling protrusion member 420: support steel

430: shock-absorbing spring 500: sump

505: space portion 510: water collecting bottom

515: stainless steel plate 520: water collecting side wall

525: stainless steel plate

Claims (29)

An elevator pit bottom structure for forming an elevator pit, A bottom portion positioned below the elevator pit; A three-dimensional reinforcement member provided on an upper portion of the bottom portion to reinforce internal strength and support strength; And And a mold coupled upwardly along the outer side of the bottom part to form an inner space opened to the center upper side of the bottom part. The side wall portion is located between the bottom portion and the mold, The side wall portion is located upward from the outside of the bottom portion, The sidewall portion and the mold is separated from each other, elevator pit bottom structure, characterized in that the detachably coupled to each other through the coupling portion formed in each of the upper end and the lower end of the mold. An elevator pit bottom structure for forming an elevator pit, A bottom portion positioned below the elevator pit; A three-dimensional reinforcement member provided on an upper portion of the bottom portion to reinforce internal strength and support strength; And And a mold coupled upwardly along the outer side of the bottom part to form an inner space opened to the center upper side of the bottom part. The side wall portion is located between the bottom portion and the mold, The side wall portion is located upward from the outside of the bottom portion, The side wall portion and the mold are separated from each other, and the inner surface facing the inner space in the side wall portion and the outer surface not facing the inner space in the mold are arranged on the same line,  Elevator foot bottom structure, characterized in that the side wall portion and the mold is detachably coupled through the coupling portion provided in the upper end of the side wall portion and the lower end of the mold. The method of claim 2, The coupling portion formed in an angle shape: A first coupling part provided at an upper end of the side wall part, and a second coupling part provided at a lower end of the mold; Elevator pit bottom structure, characterized in that coupled to one side of the first coupling portion and the second coupling portion is superimposed or abut each other. An elevator pit bottom structure for forming an elevator pit, A bottom portion positioned below the elevator pit; A three-dimensional reinforcement member provided on an upper portion of the bottom portion to reinforce internal strength and support strength; And And a mold coupled upwardly along the outer side of the bottom part to form an inner space opened to the center upper side of the bottom part. The side wall portion is located between the bottom portion and the mold, The side wall portion is located upward from the outside of the bottom portion, Elevator bottom structure, characterized in that the bottom or the reinforcing member or the mold or the side wall portion protrudes at least one engaging projection member. An elevator pit bottom structure for forming an elevator pit, A bottom portion positioned below the elevator pit; A three-dimensional reinforcement member provided on an upper portion of the bottom portion to reinforce internal strength and support strength; And And a mold coupled upwardly along the outer side of the bottom part to form an inner space opened to the center upper side of the bottom part. The bottom layer is positioned above the reinforcing member, The bottom layer is formed of a cement mixture, the upper surface of the bottom layer is an elevator pit bottom structure, characterized in that configured to be coated with urethane. An elevator pit bottom structure for forming an elevator pit, A bottom portion positioned below the elevator pit; A three-dimensional reinforcement member provided on an upper portion of the bottom portion to reinforce internal strength and support strength; And And a mold coupled upwardly along the outer side of the bottom part to form an inner space opened to the center upper side of the bottom part. At the bottom of the elevator pit, a trench is formed to form a floor installation groove, Concrete is poured into the inner circumferential surface of the floor installation groove and the outer lower portion of the mold, so that a pit support bottom portion is formed to form a floor of the lowest floor of the building, Elevator pit bottom structure, characterized in that the pit support wall portion is provided on the outside of the frame to surround and support the outer circumference of the elevator moving space. The method of claim 6, On the outside of the mold and the pit support bottom portion, support bars are arranged longitudinally and horizontally, The elevator pit bottom structure, characterized in that all or part of the load transmitted from the upper end to the lower end of the pit support wall is easily guided to the outside of the pit support bottom by the support reinforcing bar. The method of claim 7, wherein Support bars are also vertically and horizontally disposed outside the sidewall portions located between the bottom portion and the mold, The elevator pit bottom structure, characterized in that all or part of the load transmitted from the upper end to the lower end of the pit support wall is more easily guided to the outside of the pit support bottom by the support reinforcing bars. An elevator pit bottom structure for forming an elevator pit, A bottom portion positioned below the elevator pit; A three-dimensional reinforcement member provided on an upper portion of the bottom portion to reinforce internal strength and support strength; And And a mold coupled upwardly along the outer side of the bottom part to form an inner space opened to the center upper side of the bottom part. It is further provided with a water collecting well formed downward from one surface of the bottom portion to discharge the flowing water flowing into the top of the bottom portion to the outside, The sump is: A sump bottom located at the bottom of the elevator pit; And A water collecting well side wall portion coupled upwardly along an outer side of the water collecting well bottom so that an accommodation space is formed above the center of the water collecting well bottom portion, Elevator pit bottom structure, characterized in that the stainless steel plate is provided on one surface corresponding to the receiving space in the sump bottom or the sump side wall. An elevator pit bottom structure for forming an elevator pit, A bottom portion positioned below the elevator pit; A three-dimensional reinforcement member provided on an upper portion of the bottom portion to reinforce internal strength and support strength; And And a mold coupled upwardly along the outer side of the bottom part to form an inner space opened to the center upper side of the bottom part. It is further provided with a water collecting well formed downward from one surface of the bottom portion to discharge the flowing water flowing into the top of the bottom portion to the outside, The sump is: A sump bottom located at the bottom of the elevator pit; And A water collecting well side wall portion coupled upwardly along an outer side of the water collecting well bottom so that an accommodation space is formed above the center of the water collecting well bottom portion, An elevator pit bottom structure, characterized in that the sump bottom or the sump side wall is formed of a plurality of coupling, the side facing each other is configured to be coupled to each other. An elevator pit bottom structure for forming an elevator pit, A bottom portion positioned below the elevator pit; A three-dimensional reinforcement member provided on an upper portion of the bottom portion to reinforce internal strength and support strength; And And a mold coupled upwardly along the outer side of the bottom part to form an inner space opened to the center upper side of the bottom part. A collecting well is provided upwardly from one surface of the bottom portion to discharge the flowing water flowing into the upper portion of the bottom portion to the outside, The water collection well is an elevator pit bottom structure, characterized in that provided in a space formed while the plurality of reinforcing members are coupled to each other. delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete

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