KR101129250B1 - The intake tower construction method that use a mold of intake tower that can do function of cofferdam and an outer wall of intake tower at the same time - Google Patents

Abstract

PURPOSE: An intake tower construction method using a form capable of acting as a cofferdam and an outer wall of an intake tower at the same time is provided to reduce the construction period of an intake tower by removing the need for a separate form for an outer wall of an intake tower. CONSTITUTION: An intake tower construction method comprises the steps of: excavating an underwater bottom for installation of an intake tower(10), setting a foundation form and a water-stop form in the excavated site, placing underwater concrete in the water-stop form, setting a body form in the foundation form, draining water from the body form, placing foundation concrete to form a foundation(200) for the intake tower, setting an inner form and placing concrete in a space formed by the coupling of the body form with the foundation form to form a body portion(300) of the intake tower, coupling a head from to the body form, setting an additional inner form on the inner form and placing concrete to form a tower portion(400) of the intake tower, and curing the concrete and dismantling the inner form.

Description

Intake tower construction method that use a mold of intake tower that can do function of cofferdam and an outer wall of intake tower at the same time }

The present invention relates to a water intake tower construction method, and in particular, it is possible to shorten the air by installing the external formwork of the water intake tower to act as a water curtain so that no separate clogs are required during the construction of the water intake tower.

Water is an indispensable resource for the survival of all living things, including humans. As a result of the increase in population and industrialization, various water resources were required in large quantities. Accordingly, in order to supply water to the required areas, water intake towers are being constructed to collect water from rivers and lakes.

The intake tower is installed underwater and its installation is not easy. That is, there is a problem in that additional facilities are required, such as discharging water in a place to be installed in order to secure a working space in the water or installing a temporary screen using steel materials in order to install a water intake tower. In addition, there is a problem that it takes time and costly, such as the construction of a separate screen to build a water tower.

The present invention has been proposed to solve the above problems, an object of the present invention is to eliminate the need for a separate formwork on the outer wall of the intake tower in a way that can be installed immediately without the need for a separate barrier to build the intake tower There is no unnecessary additional process to provide a construction method of the water intake tower that can shorten the construction period.

In order to achieve the above object, the present invention relates to a water intake tower construction method using a water intake tower formwork capable of simultaneously acting as an outer wall of a water curtain and a water intake tower. a) digging up to the rock to install the foundation of the intake tower on the bottom of the water, (b) the first horizontal and one end vertically coupled with the first basic vertical surface and the first basic vertical surface, the first through the first through At the end of the ball is installed in the excavation site of step (a) the foundation form having a circular pillar shape consisting of a second basic vertical plane coupled to the basic horizontal plane perpendicular to the basic horizontal plane and the order formwork installed outside the first basic vertical plane; c) pouring underwater concrete into the housing formwork; (d) a circle with both ends open at the top end of the foundation formwork so that the end protrudes over the surface; Installing the pillar-shaped body formwork, (e) after assembling the foundation formwork and the body formwork, draining the water inside, (f) after the step (e), leveling the concrete and pouring the foundation of the intake tower Step of making, (g) Installing the inner formwork spaced inward from the inner side of the second basic vertical surface and the body formwork on the foundation, and placing concrete in the space formed by the second basic vertical surface, the formwork and the inner formwork (H) installing the head vertical surface of the head formwork consisting of a head horizontal plane with a second through hole and a head vertical surface with one end perpendicularly coupled to the head horizontal plane at the end of the second through hole. Step (i) After the step (h), install additional internal formwork and install concrete on the internal formwork installed in step (g) (J) curing the poured concrete in (g) to (i) and then dismantling the internal formwork, the process of waterproofing between the foundation formwork, the body formwork and the head formwork coupling. Further comprising, further comprising a coupling member protruding a predetermined length inwardly perpendicular to each member at the other end of the second basic vertical surface of the base form, the opposite ends of the body form and the other end of the head vertical surface of the head formwork, between the coupling members Coupling provides a water extraction tower construction method using the formwork for the water tower that can serve as the outer wall of the water gutter and the water intake tower, characterized in that the coupling using welding or bolts.

The present invention having the above configuration has the following effects.

First, the present invention does not need a separate process for securing a workspace. That is, it is not necessary to discharge the water in the place where the water intake tower is installed, and it is possible to shorten the construction period because there is no need for the temporary cutting work or the clogging work to secure the working space. In addition, construction costs can be saved by eliminating the need for temporary screening.

Secondly, the present invention does not need to install the external formwork separately because the intake plate outer plate material acts as a temporary barrier and formwork can shorten the construction period and can reduce the construction cost.

Third, the present invention is structurally stable because the intake tower outer plate material is installed in combination with the present structural structure is improved resistance to external force on the structure.

1 is a perspective view of a water intake tower constructed in accordance with the present invention.
2 to 11 is a construction sequence diagram for the construction of the intake tower of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the details of the water intake tower construction method using the formwork for the water tower that can serve as the outer wall of the cap and the water intake tower according to the present invention.

1 is a perspective view of a water extraction tower constructed by the present invention, Figures 2 to 11 is a construction sequence diagram for the construction of the water extraction tower of the present invention.

The present invention relates to the construction method of the water intake tower 10 using the formwork 100 for the water intake tower 10 capable of simultaneously acting as an outer wall of the cloister and the water intake tower 10. Specifically, the water intake tower 10 for water intake In the construction method of (a) excavating to the rock to install the foundation 200 of the water intake tower 10 on the bottom of the water, (b) the first basic vertical surface 121 and the first basic vertical surface 121 And a second basic vertical surface 124 coupled vertically to the base horizontal plane 122 having a first through hole 123 in the center and one end thereof perpendicular to the basic horizontal plane 122 at the end of the first through hole 123. A) a stepping die (110) installed on the outside of the basic formwork 120 and the first basic vertical surface 121 of the circular column shape consisting of (a) in the excavation site of step (a) (110) placing the underwater concrete on (110), (d) the foundation formwork 120 so that one end protrudes over the surface of the water; Installing the body formwork 130 of the cylindrical columnar shape is open at both ends at the upper end, (e) after assembling the basic formwork 120 and the body formwork 130, draining the water therein, (f ) (e) leveling the floor and pouring concrete to form the foundation part 200 of the intake tower 10, (g) on the foundation part 200 of the second basic vertical surface 124 and the body formwork 130 The inner mold 150 is installed at a predetermined distance from the inner side, and the concrete is placed in the space formed by the second basic vertical surface 124 and the body formwork 130 and the inner formwork 150 to form the body of the intake tower 10. In step (h), the head horizontal plane 141 having the second through hole 142 and one end thereof are vertically coupled to the head horizontal plane 141 at the end of the second through hole 142. Installing the head vertical surface 143 of the head formwork 140 formed of the vertical surface 143 at the upper end of the body formwork 130, (i) (h) After the system (g) to install the internal formwork (150) in addition to the internal formwork 150 is installed in step (p) to make the tower body 400 of the water intake tower 10 and (j) (g) to It characterized in that the step of dismantling the internal formwork 150 after curing the concrete poured in step (i).

Step (a) is a step of digging the bottom of the water to install the water intake tower 10 in the water as shown in FIG. Excavation of the bottom of the water is a step in which the water intake tower 10 is safely installed and excavated to the rock to prevent the penetration of water. The excavation can be used with any equipment that can be excavated underwater and the excavation to the rock is mainly checked by divers. The reason for excavating up to the rock in the excavation step is to prevent water from penetrating into the foundation formwork 120 to be installed later.

Step (b) is a step of installing the foundation formwork 120 and the order formwork 110 as excavated to the rock in step (a) as shown in FIG. The foundation formwork 120 is vertically coupled with the first basic vertical surface 121 and the first basic vertical surface 121, but the first horizontal through-hole 122 having the first through-hole 123 in the center and one end of the first through-hole ( At the end of 123 is a circular columnar shape consisting of a second basic vertical surface 124 that is perpendicular to the base horizontal surface 122. That is, the basic formwork 120 has a structure in which two circular pillar shapes having different sizes are combined. Foundation formwork 120 is to make the foundation is made to suit the design. The order formwork 110 is made larger than the first basic vertical surface 121 of the basic formwork 120 and is spaced apart from the first basic vertical surface 121 by a predetermined distance. Order formwork 110 is coupled to the outside of the base formwork 120 to withstand the pressure of the water and the water of the concrete poured later. The order formwork 110 is installed at a same distance from the first basic vertical surface 121 at the same height as the first basic vertical surface 121. For fixing the order formwork 110, a support material may be installed between the first basic vertical surface 121 and the order formwork 110.

Step (c) is as shown in Figure 4 is the step of pouring the underwater concrete in the order formwork 110 installed in step (b). By placing the underwater concrete in the tea molds 110 serves to prevent the penetration of water into the base form 120.

Step (d) is a step of installing the body formwork 130 in the base formwork 120 as shown in FIG. In detail, it is a step of coupling one end of the body formwork 130 to the end of the second basic vertical surface 124 of the foundation formwork 120. The body formwork 130 is formed in the same shape as the shape formed by the second basic vertical surface 124 in the shape of a circular column with both ends open. Body formwork 130 is installed so that the end is protruded a predetermined portion over the water surface is installed so that the water of the water surface is not inhaled. If the depth of the water is deep where the intake tower 10 is installed, it can be installed by adjusting the length of the body formwork 130 or connecting a plurality of body formwork 130 according to the depth of the water.

Step (e) is a step of draining the water in the formwork 100 after step (d) as shown in FIG. The step of draining water to install the structure in the formwork (100).

Step (f) is a step of pouring the foundation concrete after step (e) as shown in FIG. Before pouring the foundation concrete, completely remove the water in the formwork 100, and choose the bottom. In step (f), concrete is poured down to the bottom of the second basic vertical surface 124 of the foundation formwork 120 to form the foundation part 200.

Step (g) is a step of installing the internal formwork 150 and placing concrete in the space formed by the combination of the body formwork 130 and the base formwork 120 as shown in FIG. The inner formwork 150 is installed to make a structure in the formwork, and spaced apart inward from the inner surface of the second foundation vertical surface 124 and the body formwork 130 on the base portion 200 installed in step (f). Is installed. The body form 300 of the water intake tower 10 is made by pouring concrete into a space formed after the internal formwork 150 is installed.

Step (h) is a step of coupling the head formwork 140 to the body formwork 130, as shown in FIG. The head formwork 140 is coupled to the body formwork 130 to make the tower body 400 of the intake tower 10. Specifically, a head formwork consisting of a head horizontal surface 141 having a second through hole 142 in the middle and a head vertical surface 143 having one end vertically coupled to the head horizontal plane 141 at the end of the second through hole 142. The head vertical surface 143 of 140 is installed at the upper end of the body formwork 130.

Step (i) is a step of installing the internal formwork 150 and placing concrete further on the internal formwork 150 installed in step (g) after the step (h), as shown in FIG. In the step (i), in order to make the upper portion of the intake tower 10, as in step (g), the inner mold 150 is installed at a predetermined distance from the inner surface of the body formwork 130 and the head formwork 140 The internal formwork 150 is additionally installed by installing the internal formwork 150 that forgets the upper portion of the internal formwork 150. In addition, by pouring concrete into the space created after the internal formwork 150 is installed to make the tower body 400 of the intake tower (10).

Step (j) is a step of dismantling the internal formwork 150 after curing the concrete poured in the steps (g) to (i) as shown in FIG. The internal formwork 150 is a step in which concrete is dismantled after a period specified in the specification.

In the present invention, the base form 120, the body form 130 and the head can be made by further comprising the step of waterproofing the coupling portion of the head (140). Due to the formwork 100 are combined in the water to prevent the water from entering the formwork by waterproofing the coupling portion. As for the waterproofing, a commonly used method is used.

In addition to the formwork 100 to erect the water intake tower 10 of the present invention can be configured by adding the following configuration. The formwork 100 used in the present invention is the second base vertical surface 124 of the base formwork 120, the other end of the body formwork 130 and the other end of the head vertical surface 143 of the head formwork 140 and the right angle with each member It characterized in that it further comprises a coupling member 160 to protrude a predetermined length into the interior. A predetermined length protrudes inward from the portion where the coupling member 160 is coupled to facilitate the coupling of each member. In addition, the coupling between the coupling member 160 is characterized in that for coupling using welding or bolts. That is, it is easy to join each member by welding or bolt by the surface of the coupling member 160 protruding from each formwork 100.

Withdrawal tower (10) construction method of the present invention is that the formwork 100 for the intake tower (10) acts as a temporary barrier is a method that does not need to separately construct a temporary barrier to build the intake tower (10) in the water. Therefore, when the water intake tower 10 is constructed by the construction method of the water intake tower 10 of the present invention, the air is shortened by not having to perform a clogging, and thus, there is an advantage of saving material costs and labor costs. In addition, the external formwork for the construction of the intake tower 10 serves to reinforce the structure of the intake tower 10 while being coupled to the outside of the intake tower 10 without dismantling. That is, the formwork 100 made of steel is coupled to the outside of the water intake tower 10 has a feature of increasing the force to withstand loads acting from the outside, such as water pressure. Formwork 100 made of steel is coupled to the outside of the intake tower 10 to increase the rigidity of the intake tower 10. Therefore, when the design of the intake tower 10, the thickness of the intake tower 10, etc. can be made thin to save other materials, and the appearance can be slender, and the appearance can be beautiful.

As described above, the preferred embodiment of the intake tower construction method using the formwork for the intake tower, which can serve as the outer wall of the cap and the intake tower according to the present invention, is described as at least one embodiment, whereby the technical of the present invention The spirit and its structure and operation are not limited, and the scope of the technical spirit of the present invention is not limited or limited by the drawings or the description with reference to the drawings. In addition, the concept and embodiment of the invention presented in the present invention may be used by those skilled in the art as a basis for modifying or designing to other structures for carrying out the same purpose of the present invention. The equivalent structure modified or changed by those skilled in the art to which the present invention pertains is to be bound by the technical scope of the present invention described in the claims, and the spirit or scope of the invention described in the claims. Various changes, substitutions and alterations are possible without departing from the scope of the invention.

10: intake tower
100: formwork 110: order formwork
120: basic formwork 130: body formwork
140: head formwork 150: inner formwork
160: coupling member
200: base portion 300: body portion
400: tower body

Claims (4)

In the construction method of the water intake tower to take water,
(A) excavating to the rock to install the foundation 200 of the water intake tower 10 in the water bottom;
(b) a first horizontal surface 122 and one end of which are vertically coupled with the first basic vertical surface 121 and the first basic vertical surface 121, with a first through hole 123 in the center thereof, and one end thereof with the first through hole 123. At the end of the base formwork 120 is formed in the form of a cylindrical column consisting of a second basic vertical plane 124 is coupled to the base horizontal plane 122 perpendicular to the first basic vertical plane 121 and the outside form Installing 110 at the excavation site of step (a);
(c) pouring water concrete into the order formwork;
(d) installing a body form 130 having circular columnar shapes with both ends open at the upper end of the basic formwork 120 so that one end thereof protrudes from the surface;
(e) draining the water therein after assembling the base formwork 120 and the body formwork 130;
(f) forming a base portion 200 of the water intake tower 10 by leveling the concrete after the step (e);
(g) spaced inward from the inner surface of the second foundation vertical surface 124 and the body formwork 130 on the base portion 200 to install the inner formwork 150 and the second foundation vertical surface 124 ) And placing the concrete in the space formed by the body formwork 130 and the internal formwork 150 to make the body portion 300 of the water intake tower 10;
(h) a head horizontal surface 141 having a second through hole 142 and a head vertical surface 143 having one end vertically coupled to the head horizontal surface 141 at the end of the second through hole 142. Installing the head vertical surface 143 of the head formwork 140 at the upper end of the body formwork 130;
(i) after the step (h) is installed above the internal formwork 150 installed in the step (g) further installed the internal formwork 150 and the concrete pouring the tower body 400 of the intake tower 10 Making steps and
(j) the step (g) to the step of dismantling the internal formwork 150 after curing the concrete poured in step (i),
Further comprising the step of waterproofing between the base formwork 120, the body formwork 130 and the head formwork 140,
The other ends of the second basic vertical surface 124 of the basic formwork 120, both ends of the body formwork 130, and the other end of the head vertical surface 143 of the head formwork 140 at a predetermined length therein. Further comprising a protruding coupling member 160, the coupling between the coupling member 160 is a formwork for the water intake tower that can act as the outer wall of the cap and the water intake tower, characterized in that for coupling using welding or bolts. Withdrawal tower construction method using.


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