KR101284778B1 - Floor equipped with joist rails and construction method - Google Patents

Abstract

The present invention relates to a floor covering provided with a rail joist and a construction method of the floor covering.
The present invention is inserted into the moving line is coupled to the parquet member, the insertion portion is formed with a support for supporting the movement line, the bent portion is wide open to both side walls at the center of the support portion is bent and the receiving portion is open on both sides Rail joists formed integrally with the formed support portion; An absorbing member coupled to the accommodating part, the first protruding part being bent inwardly, and an absorbing member integrally formed with a second protruding part protruding to a predetermined size; A height adjusting member including a first adjusting means having an insertion groove coupled to the second protrusion and a second adjusting means coupled to an inner portion formed at both sides of the first adjusting means; And rubber grooves having fixed grooves to which the second adjustment means are inserted and fixed, formed at both sides, and connecting parts connecting the fixed grooves. It provides a floor covering provided with a rail joist characterized in that it comprises a.

Description

Floor equipped with joist rails and construction method

The present invention relates to a construction method of a floorboard and a floorboard provided with a rail joist in which the moving joist absorbing the expansion / contraction of the flooring member and the height adjustment member which is easy to adjust the height are integrally combined. More specifically, in the construction of floorboards and floorboards, by combining the rail joists, moving joists and floorboard members, the floorboard members are not twisted or lifted due to the movement of the joists according to the expansion and contraction of the floorboard members and the height adjustment. By adjusting the members, the height can be easily adjusted from the upper part of the floor frame even on the floor or inclined surface with high unevenness, and the rail joists, moving joists and height adjusting members are integrally formed so that the rail joists can be easily installed. It relates to a construction method of flooring and flooring.

Generally, wood is the most widely used flooring material for classrooms and auditoriums in schools. However, due to the special properties of wood, wood flooring is applied due to warpage, cracking, decay, and lifting due to humidity changes in the air after construction. Many defects occur afterwards, and user complaints are increasing.

Moreover, the construction method of wooden flooring requires a complicated work and a lot of materials, so there is a problem in that reconstruction due to labor cost, excessive expenditure, and defects has occurred.

1 is a perspective view showing a floor frame fixing device according to the prior art, Figure 2 is a cross-sectional view showing a floor frame fixing device according to the prior art.

As shown, the floor fixing device according to the prior art is a floor support member (100) is formed on the upper end of the support flange 112 and the floor board fixing member 110 is installed therein, the floor support member ( 100 is provided in the upper portion of the flooring material 104, which is fixed through the flooring fixing wood 110 and nails 102, the lower part of the flooring support member 100 is inserted and fixed and the screw rod 122 for height adjustment It includes the attached support holder 120, is screwed with the screw rod 122, a fitting groove 142 is formed is fitted to the top of the guide holder 130 is formed according to the degree of rotation of the adjustment lever 144 It is configured to include a locking piece 150 is coupled to the height adjustment port 140, the screw rod 122 to adjust the height of the support holder 120 and selectively tightening the height adjustment port 140 downward to prevent loosening. do.

In the conventional floor frame fixing device configured as described above, the base plate 160 to which the guide holder 130 is coupled to the concrete bottom surface 106 is fixed upward, and the upper plate and the lower plate 172 to the upper side of the guide holder 130. 174), but the buffer rubber 180 is attached between the upper plate and the lower plate (172, 174), the screw rod 122 is fastened through the height adjustment hole 140 on the guide holder 130, the upper side , The support holder 120 and the floor support member 100 to which the screw rod 122 is fusion-coupled through the height adjustment port 140 are lifted and lowered to adjust the height of the flooring material 104, and the locking piece 150. The lock of the screw rod 122 is made by).

However, since the base plate 160 fixed to the concrete floor surface 106 is formed of a large area, it is not only inconvenient to fix the uneven surface or the inclined concrete floor surface 106, but also the floorboard support member according to the floor slope. There was a problem that the inclination angle occurs in the (100) precision construction is inconvenient and the construction cost and construction period increases.

In addition, in order to install a conventional floor fixing device on the concrete floor surface 106, because it is installed in a straight line through the feeding operation on the concrete floor surface 106, not only complicated in construction, but also increase the construction period problem There was this.

In addition, the conventional floor frame fixing device is spaced apart from a certain height exceeding the height of the height height adjustment member in the concrete floor surface 106, as the flooring 104 is installed, the building cost increase due to the increase in the floor of the building and the existing It is impossible to replace the floorboard constructed with a low finishing height, and the flooring 104 is spaced every three to four to prevent twisting and swelling due to contraction and expansion of the flooring 104. Although installed in the upper part of the floor fixing device, there was a serious problem of polluting the indoor air due to dirt penetration and extreme fine dust generated by the gap between the floor materials.

In order to solve the above problems, the present invention is a combination of rail joists, moving joists, height adjusting members and shock-absorbing anti-vibration rubber in one-piece, eliminating the need for feeding for the installation of height adjusting members, By providing a floorboard with a rail joist that absorbs the force due to expansion and prevents lifting by the expansion or expansion of the floorboard member, and installs all the floorboard members in close contact with each other. The purpose is to prevent dirt from penetrating between the floorboard members and to significantly reduce the occurrence of fine dust, thereby providing clean indoor air and a comfortable floor surface.

In addition, the present invention is made of a simple structure of one-piece, easy to handle the movement and transport, after arranging the flooring at regular intervals, the second adjusting means are respectively coupled to the lower side of the rail joist is formed with an adjustment groove on the upper side It is easy to adjust the height of the floor in the upper part, and the installation height of the floor can be adjusted to the minimum or maximum purpose.

In addition, the present invention prevents the arbitrary rotation of the second adjustment means by the rubber pad provided on the lower side of the second adjustment means, the floor is provided with a rail joist which is not affected by the state of the bottom surface, the precision construction is easy The purpose is to provide a framework.

In order to achieve the above object, the present invention is inserted into the movement line coupled to the flooring member, the insertion portion formed with a support for supporting the movement line, and formed on both sidewalls of the support and bent inclined from the upper side to the lower side A rail joist which is formed integrally with a supporting portion having a bent portion formed therein, and formed on both sides of the supporting portion, and including a receiving portion formed to open to a lower side of the supporting portion; An absorbing member coupled to the receiving portion of the rail joist, the first protruding portion being bent inwardly, and an absorbing member integrally formed on a corresponding surface of the first protruding portion and integrally formed with a second protruding portion projecting downward in a predetermined size; A height adjusting member including a first adjusting means having an insertion groove coupled to the second protrusion and a second adjusting means coupled to an inner portion formed at both sides of the first adjusting means; And rubber grooves having fixed grooves to which the second adjustment means are inserted and fixed, formed at both sides, and connecting parts connecting the fixed grooves. It provides a floor covering provided with a rail joist characterized in that it comprises a.

In addition, the present invention is the upper end of both side walls of the rail joist is bent inwardly coupled to form a coupling portion formed to be downward to combine the flooring with a rail joist characterized in that coupled to the coupling jaw formed on both sides of the moving joist to provide.

In addition, the second protrusion of the absorbing member is coupled to the insertion groove of the first adjusting means, but the end of the second protrusion is a floor covering provided with a rail joist characterized in that the engaging portion is formed so as not to be separated from the insertion groove To provide.

In another aspect, the present invention provides a floor frame provided with a rail joist characterized in that the second adjustment means is formed with an adjustment groove to the height adjustment from the upper side.

In addition, the height adjusting member is coupled to the lower portion of the absorbing member, and the rubber pad is sequentially coupled to the lower portion of the height adjusting member to manufacture a support member; The support member is mounted in a plurality of lower portion of the rail joists formed long in the longitudinal direction and arranged spaced apart from each other; Placing a plurality of moving joists on the rail joists at regular intervals, and combining the rail joists to produce floorboards; Arranging a plurality of the floorings at a predetermined interval on the concrete floor; Adjusting the height and horizontality of the plurality of floor frames disposed on the concrete floor; And arranging the floor member on an upper part of the moving barrier, and combining the moving barrier member and the floor member with the fixing member. It provides a construction method of a floorboard provided with a rail joist characterized in that consisting of.

In addition, the present invention provides a method for the construction of a floor board with a rail joist characterized in that the moving joist absorbs the new contraction of the floorboard member is fixed so that the moving joist is spaced at regular intervals every three to four floorboard members. to provide.

According to the present invention, it is possible to prevent the twisting and lifting phenomenon due to the contraction and expansion of the flooring member, and by installing a plurality of flooring members in close contact, preventing the penetration of dirt between the flooring to prevent corruption and fine It prevents the occurrence of dust and secures clean indoor air and comfortable floor environment.

In addition, according to the present invention, the present invention is made of a simple configuration is easy to handle the movement and transportation, and is not affected by the state of the floor, the construction is made easy, and even after construction to facilitate the height adjustment of the floor floor It can be effective.

1 is a perspective view showing a floor fixing device according to the prior art.
Figure 2 is a sectional view showing a floor fixing device according to the prior art.
3 is a perspective view showing a floor frame provided with a rail joist in accordance with a preferred embodiment of the present invention.
Figure 4 is an exploded perspective view showing a floor covering provided with a rail joist in accordance with a preferred embodiment of the present invention.
5 is a cross-sectional view showing a floor frame provided with a rail joist in accordance with a preferred embodiment of the present invention.
6 and 7 are combined cross-sectional view showing the height adjustment according to the floor covering provided with a rail joist in accordance with a preferred embodiment of the present invention.
8a to 8c is a side cross-sectional view showing a floor frame provided with a rail joist in accordance with a preferred embodiment of the present invention.
9 is a flow chart illustrating a construction method of a floor covering provided with a rail joist in accordance with a preferred embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the constituent elements of the drawings, it is to be noted that the same constituent elements are denoted by the same reference numerals even if they are shown in different drawings. In describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

3 is a perspective view showing a floor covering provided with a rail joist according to a preferred embodiment of the present invention and a construction method, Figure 4 is an exploded perspective view showing a floor covering provided with a rail joist according to a preferred embodiment of the present invention to be. In addition, Figure 5 is a cross-sectional view showing a floor covering provided with a rail joist in accordance with a preferred embodiment of the present invention, Figure 6 and Figure 7 is a height according to the floor frame provided with a rail joist in accordance with a preferred embodiment of the present invention 8A to 8C are side cross-sectional views illustrating a floor frame provided with a rail joist in accordance with a preferred embodiment of the present invention.

As shown, the present invention is provided on the rail joists 220, the rail joists 220, which are provided with the floorboard member 280 and the moving joists 210, absorbing vibration and shock absorbing to absorb A rubber pad 270 coupled to the height adjusting member 240 is placed on the height adjusting member 240 and the concrete floor 290 to be coupled to the member 230, the absorbing member 230 to adjust the height of the rail joist 220 It is configured to include).

The flooring member 280 is made by cutting dried wood to a certain size, and is mainly used as a flooring material used in classrooms and corridors of schools, and is used as a material having a beautiful appearance and excellent stain resistance and abrasion resistance.

Rail joist 220 is made of strong steel with elasticity, is formed long in the longitudinal direction, the moving joist 210 is inserted from the upper side to the lower side in the insertion portion 222 formed to be opened downward, absorbing member 230 to be described later ) Is provided at both sides so that the receiving portion 224 is integrally formed at the lower portion of the rail joist 220.

In addition, the rail joist 220 has a support portion 228 for supporting the movement joist 210 is formed in the insertion portion 222 into which the movement joist 210 is inserted, and the center of the support part 228 is opened downward. The supporting part 221 which is formed to be inclined by a predetermined angle as the wall is directed from the upper side to the lower side, and the bent part 226 is formed to have a bent part 226 bent so that the area of the lower part is larger than that of the upper part of the opened support part 228. Is formed integrally, the receiving portion is formed to be formed on both sides of the support portion to open to the lower side of the support portion.

That is, both side walls of the support portion 221 is formed by the bent portion 226 widening from the upper side to the lower side, when the force from the upper side, when the bent portion 226 is pressed, the original moisturizing By returning to the bent portion 226 of the rail joist 220 is to be a buffer action.

In addition, the upper ends of both sidewalls of the rail joist 220 is formed with a predetermined length is bent inwardly downward but is composed of a coupling portion 223 coupled to the movement joist 210.

On the other hand, in inserting the moving line 210 into the insertion portion 222 of the rail joist 220, it is preferable to insert into the insertion part 222 in front and rear of the rail joist 220, but for convenience of construction When the moving line 210 is positioned above the coupling part 223 and a force is applied from the upper side to the lower side, both sidewalls of the rail long line 220 are opened to the outside and the moving line 210 is inserted into the insertion unit 222. Both sidewalls of the stretched rail joist 220 may be directly coupled from the upper side to the lower side so as to return to their positions by elasticity and maintain their original shape.

The moving joist 210 is formed long in the longitudinal direction and inserted into the insertion part 222. When the moving joist 210 is inserted into the insertion part 222, both lower corners of the longitudinal direction are rounded to facilitate insertion. The coupling jaw formed in a shape in which both edges of the upper side of the moving line 210 are partially recessed inward so that the moving length 210 is inserted into the insertion part 222 and is not separated from the upper side of the rail length line 220. 212 is formed and coupled to the coupling portion 223.

That is, after the movement length 210 is inserted into the insertion portion 222, it can move along the rail length 220 in the longitudinal direction, and the coupling jaw 212 is caught and separated from the coupling portion 223 upward Do not.

In addition, the moving line 210 is formed to a thickness from the support 228 to the end 225 where the coupling portion 223 starts to bend, so that the upper side and the end 225 of the moving line 210 are horizontal to each other. To achieve. As a result, the parquet member 280 is provided in the vertical direction on the upper side of the moving line 210 and the end 225, and the flooring member 280 and the moving line 210 are fixed members 282 such as nails and screws. Is fixed.

Unlike the conventional method in which the floor members 280 are prevented from being lifted due to the contraction and expansion of the floor members 280 by installing a predetermined interval every three to four, the movement length is continuously without a predetermined interval. The plurality of moving lines 210 provided in the vertical direction on the upper side of the 210 and provided in the rail length line 220 are spaced at predetermined intervals d and inserted into the inserting portion 222, and the moving length line ( 210 is formed longer in the longitudinal direction (D ') less than the width (D) of the three to four parquet members 280, is installed with a predetermined interval (d) and three to four parquet members (280) Each moving line 210 is fixed to the fixing member 282 every time.

The floor member 280 attempts to contract and expand in a state in which the floor member 280 is repeatedly contracted and expanded according to the ambient humidity, while the floor member 280 is fixed to the moving line 210 by the fixing member 282. At this time, the force to shrink and expand is restrained as much as possible through the fixing member 282 coupled with the moving line 210, and is transmitted to both end member members 280 of the 3 to 4 floor member members 280. Absorbs the contraction / expansion force at a predetermined interval d from which the moving length line 210 is spaced and moves along the rail length line 220 to absorb the shrinking and expanding force.

That is, the moving line 210 receives the contracting and expanding force of the parquet member 280, absorbs the contracting and expanding force, and moves along the rail line, thereby preventing excessive contraction and expansion, thereby preventing the parquet member 280. This prevents gaps or lifts off the floor.

Absorbing member 230 is inserted into the receiving portion 224 of the rail member 210 is formed long in the longitudinal direction, it is installed a plurality of spaced apart at regular intervals to absorb the shock transmitted from the rail member 210, The first protrusion 234 formed on both sides of the receiving portion 224 of the rail joist 220 and bent inward, and protruding from the back surface thereof, that is, the surface corresponding to the lower side of the first protrusion 234 will be described later. It is configured to include a second protrusion 236 protruding downward to be inserted into the insertion groove 256 formed in the first adjustment means 250 to be coupled.

In addition, the upper side of the absorbing member 230 is formed with a groove 232 is formed at a predetermined depth in the longitudinal direction to disperse and absorb the pressure and shock transmitted from the rail joist 220, and to withstand strong pressure and impact Two grooves 232 are formed, and the end of the second protrusion 234 of the absorbing member 230 is inserted into the insertion groove 256 so that the locking portion 238 is formed.

The absorbing member 230 is preferably formed of a rubber material having a predetermined elasticity. When the second protrusion 234 is inserted into the insertion groove 256, the diameter of the second protrusion 234 is the insertion groove. It is formed to be equal to or smaller than the diameter of the 256, the diameter of the locking portion 238 is formed in a diameter larger than the diameter of the insertion groove 256 by a predetermined size to be inserted while being compressed so that the absorbing member 230 is made 1 to prevent the departure from the control means (250).

The height adjusting member 240 is provided at the lower side of the absorbing member 230 to adjust the height of the rail member 220, and includes a first adjusting means 250 and a second adjusting means 260. .

The first adjusting means 250 is formed with the inner groove 252 protruding and the insertion groove 256 penetrating from the upper side to the lower side, the inner portion 252 is formed on both sides of the first adjusting means 250 The center of the inner portion 252 is penetrated so that the second adjusting means 260 may be inserted therein, and the second fastening portion 264 formed on the outer circumferential surface of the second adjusting means 260 on the inner circumferential surface of the inner portion 252. The first fastening portion 254 is formed to engage with.

As a result, the second adjusting means 260 is coupled to the inner portions 252 formed on both sides of the first adjusting means 250, respectively, and when the second adjusting means 260 is rotated by an external force, the first adjusting means ( 250 is free to move up and down, it is possible to adjust the horizontal of the rail joist 220.

The second adjusting means 260 is configured to include a second fastening portion 264 coupled to the first fastening portion 254 on the outer circumferential surface, and an adjustment groove 262 formed on the upper side.

The first fastening portion 254 and the second fastening portion 264 are fastened and loosened so that the first fastening portion 254 is formed with a female thread, and the second fastening portion 264 is a male thread with a screw connection. Preferably, the screw coupling method is not limited thereto.

The second adjusting means 260 is rotated by applying an external force to the second adjusting means 260 by using an adjusting member (not shown) adapted to the adjusting groove 262, to adjust the height of the rail joist 220 from the upper side Can be.

The rubber pad 270 protrudes at a predetermined height on both sides, and a fixing groove 272 for inserting and fixing second adjusting means 260 installed at both sides of the first adjusting means 250, and fixing formed at both sides. It comprises a connecting portion 274 for connecting the groove 272.

The rubber pad 270 configured as described above is formed of a rubber material having a predetermined elasticity to rotate the second adjusting means 260 by an external force while the second adjusting means 260 is inserted into the fixing groove 272. At this time, since the second adjusting means 260 is inserted into the fixing groove 264 and fixed, the second adjusting means 260 is forcibly rotated while the first adjusting means 250 moves up and down.

In addition, when the second adjustment means 260 is rotated by an external force to complete the height and horizontal adjustment of the rail joist 220 is maintained the height and horizontal of the rail joist 220, which is the rubber pad 270 The second adjusting means 260 is connected to each other and the second adjusting means 260 is inserted into and fixed to the fixing groove 264, so that the second adjusting means 260 may be arbitrarily rotated to prevent itself from loosening.

Thus, in order to prevent the loosening of the second adjusting means 260, there is no need for a separate loosening preventing means, and the height and horizontality of the rail joist 220 can be maintained continuously, thereby facilitating construction of the floor.

The width between the indents 252 formed on both sides of the first adjusting means 250 is wider than the width of the rail joist 220 so that the rails between the second adjusting means 260 coupled to the inlets 252. Joist 220 is inserted.

By rotating the second adjusting means 260 in such a configuration, if the first adjusting means 250 is positioned on the uppermost side of the second adjusting means 260, the second adjusting means 260 may be spaced apart from the concrete bottom surface 106 as much as possible. By inverting the first adjusting means 250, the first adjusting means 250 may be at least spaced apart from the concrete bottom surface 106 by combining with the second adjusting means 260 to minimize the height of the rail joist 220. At this time, there is less space formed between the first adjusting means 250 and the concrete bottom surface 106 to prevent the ringing.

That is, since the height adjustment interval of the rail joist 220 is wide through the first adjustment means 250, it is easy to install even if the concrete floor of the city factory is uneven, and the upper side through the adjustment groove 262 of the second adjustment means 260. Easy to adjust height and level at.

In the construction method of the floorboard provided with a rail joist of the present invention configured as described above, as shown in Figure 9, first, the absorbing member 230 and the first adjusting means 250 are coupled to each other, The second protrusion 236 is forcibly fitted into the insertion groove 256 of the first adjusting means 250.

Then, the first fastening portion 254 and the second fastening portion 264 formed on the outer circumferential surface of the second adjusting means 260 are coupled to the inner circumferential surface of the indentation portion 252 formed on both sides of the first adjusting means 250. To install the second adjusting means 260 on both sides of the first adjusting means (250).

In addition, each of the fixing groove 274 formed on both sides of the rubber pad 270 in the lower portion of the second adjusting means 260 is inserted and coupled.

In this way, the support member is manufactured by combining the absorbing member 230, the height adjusting member 240, and the rubber pad 270, and manufactures a plurality of support members.

The first protrusion 234 of the absorbing member 230 located above the support member is mounted on the receiving portion 226 formed below the rail joist 220 formed long in the longitudinal direction, and a plurality of support members are mounted at predetermined intervals. Placed apart from each other. (S820)

After arranging the supporting members at a predetermined interval, the moving length 210 is positioned between the coupling portions 223 formed at both sides of the rail joist 220 to be spaced a predetermined distance d, and then a force is applied from the upper side to the lower side. In addition, the moving joist 210 is inserted into the insertion part 222 of the rail joist 220 to manufacture a flooring. (S830)

Thus prepared flooring is placed spaced apart from the concrete floor 106 by a predetermined interval. (S840)

Next, while rotating each of the second adjusting means 260 installed on both sides of the floor frame disposed on the concrete floor surface 106, the height and horizontal of the rail joist 220 is adjusted in the same manner as the other rail joist 220 do. (S850)

When the height and horizontal adjustment of the rail joist 220 is completed, install the floorboard member 280 in the vertical direction on the upper side of the moving joist 210, each floorboard member 280 is installed in close contact with no gap By fixing the floorboard member 280 and the moving joist 210 to each other through the fixing member 282, the construction of the floorboard and the floorboard provided with the rail joist of the present invention is completed. (S860)

Here, when the moving line 210 is fixed and spaced apart by a predetermined interval d for each of the three to four parquet members 280, the force to contract and expand when the parliament member 280 tries to contract and expand is It is suppressed as much as possible by the fixing member 282 which combines the parquet member 280 and the moving line 210, and the contraction / expansion force of the further parquet member 280 is transmitted to the moving line 210 to move the moving line 210. Absorbs at predetermined intervals (d) spaced apart by), and at the same time, the movement line 210 moves along the rail line 220 to absorb the contraction and expansion force. In addition, a lower board 284 made of plywood, such as the length (D ') of the moving line 210 between the moving line 210 and the parquet member 280, the concrete bottom surface 106 is Once flat, it can be constructed using cushion mats 286 instead of floor frames.

The floor covering provided with the rail joists constructed as described above can omit the work of bleeding on the concrete floor surface of the conventional construction method, which can shorten the construction time and the construction step, as well as the construction of the rail joists 220. Height and horizontal can be adjusted from the upper side, so it can be easily installed. In addition, by receiving and absorbing the expansion force of the parquet member 280, it is possible to prevent the gap of the parquet member 280 is opened or lifted off the floor.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the same range should be construed as being included in the scope of the present invention.

210: moving joist 212: coupling jaw
220: rail joist 221: support portion
222: insertion portion 223: coupling portion
224: receiving portion 225: end
226: bend 228: support
230: absorbing member 232: groove
234: first projection 236: second projection
238: locking portion 240: height adjustment member
250: first adjusting means 252: inner part
254: first connection 256: insertion groove
260: second adjusting means 262: adjusting groove
264: second fastening portion 270: rubber pad
272: fixing groove 274: connection portion
280: parquet member 282: fixing member
284: Lower board 286: Cushion mat

Claims (6)

A moving line coupled with the floor board member is inserted, and an insertion portion having a support portion supporting the movement line is formed, and a supporting portion formed with both sidewalls of the support portion, and a support portion formed with a bent portion that is formed to bend obliquely from the upper side to the lower side is integrally formed. A rail joist formed on both sides of the support part, the rail joist comprising a receiving part formed to open to a lower side of the support part;
An absorbing member coupled to the receiving portion of the rail joist, the first protruding portion being bent inwardly, and an absorbing member integrally formed on a corresponding surface of the first protruding portion and integrally formed with a second protruding portion projecting downward in a predetermined size;
A height adjusting member including a first adjusting means having an insertion groove coupled to the second protrusion and a second adjusting means coupled to an inner portion formed at both sides of the first adjusting means; And
Rubber pads are formed on both sides of the fixing groove is inserted and fixed to the second adjusting means, and a rubber pad including a connecting portion for connecting the fixing groove;
Rail covering provided with a rail joist, characterized in that it comprises a. The method of claim 1,
Upper ends of both sidewalls of the rail joists are bent inwardly, the engaging portion is formed to be formed downward, the floor joist with a rail joist, characterized in that coupled with the engaging jaw formed on both sides of the moving joist. The method of claim 1,
The second protrusion of the absorbing member is coupled to the insertion groove of the first adjustment means, the end of the second protrusion is provided with a rail joist, characterized in that the engaging portion is formed so as not to be separated from the insertion groove. The method of claim 1,
The second adjustment means is a floor covering provided with a rail joist, characterized in that the adjustment groove is formed so that the height can be adjusted from the upper side. (A) a height adjusting member is coupled to the lower portion of the absorbing member, and the rubber pad is sequentially coupled to the lower portion of the height adjusting member to manufacture a support member;
(b) a plurality of supporting members mounted on a lower portion of the rail joist formed in the longitudinal direction, but spaced apart from each other by a predetermined interval;
(c) placing a plurality of moving joists on the rail joists at regular intervals and combining the rail joists to produce floorboards;
(d) arranging a plurality of the floorings at a predetermined interval on the concrete floor;
(e) adjusting the height and horizontality of the plurality of floor frames arranged on the concrete floor; And
(f) after the step (e) is completed, disposing a parquet member on top of the moving barrier, and combining the moving barrier and the parnell member as a fixing member;
Construction method of the flooring provided with a ray length line, characterized in that consisting of. 6. The method of claim 5,
Method of construction of floorboards with rail joists, characterized in that the moving joists or lower boards are spaced at regular intervals for every three to four floor board members so that the moving joists or lower boards absorb new contraction of the floor board members. .

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