JP3869710B2 - Heat curing method for building foundation - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a building foundation heating curing method.
[0002]
[Prior art]
As a method of constructing the foundation of a building, it is common to assemble a formwork on the land, place concrete in this formwork, and wait for it to dry naturally. In areas where the concrete concrete is slowly set, attempts have been made to shorten the construction period by heating the cast concrete to accelerate its hardening.
[0003]
Fig.7 (a) is explanatory drawing which showed the heating curing method of the conventional building foundation. In this heating curing method, a bellows-like steam duct 50 is disposed so as to surround the outermost basic formwork, steam is supplied from the steam supply device 51 to the steam duct 50, and the steam duct 50 is formed. Steam is blown out from the hole. Although not shown, the entire foundation construction area is covered with a waterproof sheet or a heat insulation sheet, and a frame is assembled on the foundation construction area to prevent the sheet from falling. ing.
[0004]
[Problems to be solved by the invention]
However, in the conventional heat curing method for building foundations, only the bellows-shaped steam duct 50 is disposed so as to surround the outermost foundation, and steam can be efficiently supplied to the foundation on the inner side. Can not. On the other hand, as shown in FIG. 7 (b), it is conceivable that steam is led to the foundation on the inner side by arranging the steam duct 50 on the inner side of the foundation. In the construction method in which is placed integrally, the steam duct 50 cannot be placed on the soil concrete 53 immediately after placing.
[0005]
In view of the above circumstances, the present invention can efficiently supply heated gas to the foundation on the inner side without introducing the duct to the inner side of the foundation. An object of the present invention is to provide a heat curing method for a building foundation capable of performing heat curing on the soil concrete.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the building foundation heating and curing method of the present invention assembles a frame for supporting a seat above the foundation before removing the formwork using at least a part of a pipe member having an ejection hole. A sheet is placed on the frame, and heated gas is supplied to the tube member, and the heated gas is blown out from the ejection holes.
[0007]
If it is said structure, the frame for a sheet | seat support will be assembled above a foundation, the said frame for sheet | seat support will also exist in the inner side of a foundation, and an ejection hole is provided in at least one part of this frame for a frame support There is a pipe member having, and since the heated gas blows out from the ejection hole of this pipe member, the heated gas can be efficiently supplied to the foundation on the inner side without introducing the duct to the inner side of the foundation, Moreover, even when placing soil concrete, heat curing can be applied to the soil concrete.
[0008]
A leg member straddling the foundation is disposed on the foundation on the inner side of the foundation, a member that becomes the ridge of the framework is horizontally mounted on the leg member, and the member is inclined with the member that becomes the ridge at the top. It is good to be arranged. According to this, rain water can be prevented from accumulating on the sheet. Moreover, even if the supplied steam as the heated gas cools and becomes water droplets on the back side of the sheet, the water droplets are guided to the outside of the foundation.
[0009]
It is preferable that the pipe member having the ejection hole is inclined and arranged with the member side serving as the ridge at the top. According to this, when the steam as the heated gas supplied to the pipe member cools and becomes water, this water flows to the opposite side of the ridge in the inclined pipe member, It is possible to prevent a situation in which the water flows to the inside and leaks out.
[0010]
The tube member may be engaged with the horizontal member by a hook provided at the tip of the tube member having the ejection hole. According to this, even if an operator does not enter the inside of the foundation (even when applying soil concrete), the pipe member can be installed.
[0011]
It is preferable to arrange the pipe member having the ejection holes so that the ejection holes are located on the lateral side. According to this, when the steam as the heated gas supplied to the pipe member cools and becomes water, it is possible to prevent this water from dripping out of the ejection holes.
[0012]
As the tube member having the ejection holes, it is preferable to use a tube member having a variable length composed of an outer tube and an inner tube. According to this, it can respond to various building shapes and site shapes.
[0013]
As the pipe member having the ejection holes, a pipe member having a T-shape may be used.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
The building foundation heating and curing method according to the embodiment of the present invention will be described below with reference to FIGS.
[0015]
FIG. 1 shows a state in which concrete serving as a foundation 3 is placed in a mold 2 arranged on land 1. In this example, the rising portion 31 of the foundation 3 and the soil concrete 32 are integrally cast. The leg member 4 is arranged so as to straddle the rising portion 31 (31a) on the inner side of the foundation 3, and a rod-like member 5 serving as a ridge is horizontally mounted on the leg member 4. Specifically, as shown in FIG. 2, a plurality of leg members 4 are arranged at predetermined intervals along the rising portion 31 a, and the rod-like member 5 is connected by a fastener provided on the upper portion thereof. Yes. When placing the soil concrete 32, for example, by arranging the cylindrical member 6 into which the lower end portion of the leg member 4 is inserted, the lower end portion is prevented from being fixed by the soil concrete 32. can do. Alternatively, a columnar member may be disposed in place of the cylindrical member 6 and the lower end portion of the leg member 4 may be placed on the upper end surface of the columnar member. Alternatively, the lower end of the leg portion of the leg member 4 may be formed so as to be separable, and this separated portion may be left in the soil concrete 32. On the other hand, when the soil concrete 32 is not placed, the above-mentioned cylindrical member or the like is unnecessary.
[0016]
When the rod-shaped member 5 is connected to the leg member 4, as shown in FIG. 3, an operation of hooking one end side of the steam introduction pipe 7 on the rod-shaped member 5 is performed. In this embodiment, as shown in FIG. 4, a hook member 9 is provided on one end side of the steam introduction pipe 7, and the steam introduction pipe 7 is hooked on the rod-like member 5 using this hook member 9. The steam introduction pipe 7 that is stretched has an inclined arrangement in which the rod-like member 5 side is the uppermost position and is located lower toward the outer side of the foundation. When the support bar 8 is arranged outside the foundation and the other end side of the steam introduction pipe 7 is supported by the support bar 8, the arrangement height of the support bar 8 is higher than the arrangement height of the rod-shaped member 5. To ensure an inclined arrangement of the steam introduction pipe 7.
[0017]
In the steam introduction pipe 7, a large number of jet outlets 7a are formed at predetermined intervals. The spouts 7a are positioned on the left and right (lateral side) in a state where the steam introduction pipe 7 is stretched over the rod-shaped member 5 using the hook member 9.
[0018]
A steam supply branch hose 10 is attached to the other end side of the steam introduction pipe 7. This steam supply branch hose 10 is branched from the steam duct 11. The steam duct 11 is arranged on the ground so as to surround the outer periphery of the foundation. Steam is supplied to the steam duct 11 from a steam supply device (not shown). The steam duct 11 is also formed with a jet port (not shown).
[0019]
By connecting the leg member 4, the rod-shaped member 5, the steam introduction pipe 7, the support bar 8, and the like, the frame for supporting the seat is assembled. First, the blue sheet 12 is placed on the frame for supporting the sheet, and the heat insulating sheet 13 is placed on the blue sheet 12. Since the steam introduction pipes 7 constituting the frame for supporting the seat are inclined so as to be lower toward the outer side of the base, these sheets 12 and 13 are also positioned lower toward the outer side of the base. And the net | network 14 is covered on the said heat retention sheet | seat 13, and the end of this net | network 14 is fixed to the ground with the pile 15. FIG. After such work, the steam supply device 51 is driven to supply the steam to the steam duct 11, so that the steam reaches the steam introduction pipe 7, blows out from the jet outlet 7 a, and is uniformly supplied to the inside of the foundation. Will be.
[0020]
Thus, the seat support frame is assembled on the foundation 3, and this seat support frame is also present on the inner side of the foundation 3. The steam support having the jet port 7a is introduced into the seat support frame. Since the pipe 7 exists and the steam blows out from the jet outlet 7a of the steam introduction pipe 7, the steam is efficiently supplied to the base 3 on the inner side without introducing the steam duct 11 to the inner side of the base 3. In addition, even when the soil concrete 31 is placed, the heat curing can be applied to the soil concrete 31.
[0021]
Since the sheets 12 and 13 are positioned lower toward the outer side of the foundation, it is possible to prevent rainwater from accumulating on the sheet, and even if the supplied steam is cooled and becomes water droplets on the back side of the sheet. This water droplet will be guided outside the foundation. Further, since the steam introduction pipe 7 is inclined so that the rod-like member 5 side is at the top and is positioned lower toward the outer side of the foundation, when the steam supplied to the steam introduction pipe 7 is cooled and becomes water, the water is inclined. It is possible to prevent a situation in which the water flows to the side opposite to the rod-shaped member 5 serving as the ridge in the disposed steam introduction pipe 7 and the water flows to the inner side of the foundation 3 and leaks.
[0022]
In addition, a hook member 9 is provided on one end side of the steam introduction pipe 7, and the steam introduction pipe 7 is hooked on the rod-like member 5 by using this hook member 9. The steam introduction pipe 7 can be installed even if it does not go into the placement site.
[0023]
Further, since the spout 7a is positioned on the left and right (lateral side) in a state where the steam introduction pipe 7 is stretched over the rod-shaped member 5 using the hook member 9, the steam introduction pipe 7 is supplied to the steam introduction pipe 7. When the steam is cooled to become water, it is possible to prevent the water from dripping out of the spout 7a.
[0024]
In FIG. 5A, a steam introduction pipe 17 having a substantially T-shape is used, and this steam introduction pipe 17 is spanned between the rising portions 31 and 31 of the foundation 3. The steam introduction pipe 17 has a T-type joint portion 17a at substantially the middle thereof, and the steam supply branch hose 10 is connected to the T-type joint portion 17a. The steam supply branch hose 10 is bound to a support bar member 18 connected to the steam introduction pipe 17, and the sag is prevented by this binding. The other end of the support bar member 18 is connected to, for example, the support bar 8 described above. As shown in FIG. 5 (b), the T-type joint portion 17 a has a spout 17 b that is positioned straight with respect to the spout of the steam supply branch hose 10. The steam blows out vigorously from the jet port 17b, and it is possible to compensate for the shortage of steam blown out in the steam introduction pipe 7.
[0025]
FIG. 6A shows a stretchable steam introduction pipe 20, and FIG. 6B shows a stretchable support rod member 21. The steam introduction pipe 20 is composed of an inner pipe 20a and an outer pipe 20b, and jet outlets 20c are formed at an equal pitch. The set length can be fixed by setting the steam introduction pipe 20 to an appropriate length, aligning the spout 20c of the inner pipe 20a and the outer pipe 20b, and inserting the pin 20d. The support bar member 21 includes an inner tube 21a and an outer tube 21b, and through holes are formed at predetermined intervals on the side surface of the outer tube 21b, and a nut 21c is fixed to the through hole forming portion by welding. Yes. When the support rod member 21 is set to an appropriate length and the thumbscrew 21d is screwed into the nut 21c, the set length can be fixed. By using these expandable / contractible steam introduction pipes 20 and support bar members 21, various building shapes and site shapes can be handled.
[0026]
In the above example, steam is used as the heated gas, but the present invention is not limited to this, and heated air may be used. Further, although the steam introduction pipe is used for a part of the frame for supporting the seat, all the frame for supporting the seat can be configured by the steam introduction pipe.
[0027]
【The invention's effect】
As described above, according to the present invention, there is a pipe member having an ejection hole in at least a part of the frame for frame support assembled above the foundation, and the heated gas blows out from the ejection hole of the pipe member. Heated gas can be efficiently supplied to the foundation on the inner side without introducing a duct to the inner side of the foundation, and even when placing the earthen concrete, heat curing is applied to the earthen concrete. be able to. In addition, since the frame for supporting the seat fulfills the function of blowing the heated gas, no extra work is required for blowing the heated gas, and the building foundation can be efficiently heated and cured.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram showing a building foundation heating and curing method according to an embodiment of the present invention.
FIG. 2 is a perspective view showing a state in which leg members are arranged on a foundation rising portion.
FIG. 3 is a perspective view of a state in which a steam introduction pipe is stretched over a rod-like member that is horizontally mounted on a leg member.
FIG. 4 is an enlarged perspective view showing a hook at a tip portion of a steam introduction pipe.
FIG. 5A is a perspective view of a state where a T-shaped steam introduction pipe is arranged at a basic rising portion, and FIG. 5B is a cross-sectional view of the T-shaped steam introduction pipe.
6A is a perspective view of a telescopic steam introduction pipe, and FIG. 6B is a perspective view of a telescopic support bar member.
7A and 7B are diagrams showing a conventional example, in which FIG. 7A is an explanatory view of a building foundation heating curing method, and FIG. 7B is a partially enlarged view.
[Explanation of symbols]
3 Foundation 4 Leg member 5 Bar-shaped member 7 Steam introduction pipe 7a Spout 9 Hook member 10 Steam supply branch hose 11 Steam duct

Claims (7)

  At least a part of the tube member having the ejection hole is used to assemble a frame for supporting the seat above the foundation before removing the formwork, and the sheet is placed on the frame, and heated gas is supplied to the tube member, A heating and curing method for building foundations, characterized in that heated gas is blown out from the holes.   The heating and curing method for a building foundation according to claim 1, wherein a leg member straddling the foundation is disposed on the foundation on the inner side of the foundation, and a member that becomes the ridge of the frame is horizontally mounted on the leg member. The building foundation heating curing method, wherein the sheet is inclined and placed with the side of the member to be the ridge at the top.   3. The building foundation heat curing method according to claim 2, wherein the pipe member having the ejection holes is inclined with the member side to be the uppermost side facing upward.   4. The building foundation heat curing method according to claim 1, wherein the pipe member is engaged with the horizontal member by a hook provided at a tip of the pipe member having the ejection hole. A heat curing method for building foundations.   5. The building foundation heating curing method according to claim 1, wherein the pipe member having the ejection hole is disposed so that the ejection hole is located on a lateral side. Heat curing method.   6. The building foundation heat curing method according to claim 1, wherein a pipe member having a variable length composed of an outer pipe and an inner pipe is used as the pipe member having the ejection hole. The heating and curing method for building foundations.   The building foundation heating curing method according to any one of claims 1 to 6, wherein a pipe member having a T-shape is used as the pipe member having the ejection hole. Curing method.

Images