CN221249259U - Windowsill coping precast block pouring die and windowsill coping precast block - Google Patents

Abstract

The utility model discloses a windowsill coping prefabricated block pouring die which comprises an inner main body and an outer shell which is arranged in a cuboid shape and is enclosed outside the inner main body, wherein the outer shell comprises a first outer short plate and a second outer short plate which are oppositely arranged at two sides of the inner main body in the width direction, and a first outer long plate and a second outer long plate which are oppositely arranged at two sides of the inner main body in the length direction, the first outer short plate, the first outer long plate, the second outer short plate and the second outer long plate are sequentially connected end to end so as to enclose outside the inner main body, a first pouring cavity is arranged between the first outer short plate and the inner main body, the second outer short plate is attached to the surface of the inner main body, a second pouring cavity is arranged between the first outer long plate and the inner main body, a third pouring cavity is arranged between the second outer long plate and the inner main body, the first pouring cavity is respectively communicated with the second pouring cavity and the third pouring cavity, and a pouring groove which is respectively communicated with the second pouring cavity and the third pouring cavity is also concavely arranged at the upper end part of the inner main body. In addition, the utility model also discloses a windowsill coping prefabricated block.

Description

Windowsill coping precast block pouring die and windowsill coping precast block

Technical Field

The utility model relates to the technical field of building structures, in particular to a sill coping precast block pouring die. In addition, a windowsill coping precast block formed by casting the windowsill coping precast block casting mould is also designed.

Background

Often can set up the windowsill roof in the windowsill position in the building construction process to reduce or avoid the wall body crack that causes because prestressing force concentrates the phenomenon, and can prevent outside rainwater from getting into the intensity that influences windowsill lower part wall body, increase windowsill lower part wall body's wholeness and stability simultaneously.

At present, the construction steps of sill coping mainly comprise the following steps: 1. when the wall body is built to the windowsill position, the reinforced concrete windowsill is poured first to press the roof, and after the reinforced concrete is pressed to press the roof and the strength reaches the standard, the upper wall body is built, but the pouring and solidification time of the reinforced concrete is long, so that the construction period is very influenced. 2. When the wall body is built to the windowsill position, the support blocks are used for supporting, then the upper wall body is built on the support blocks, the support blocks are removed to cast concrete windowsill coping, the quality of the suspended wall body on the upper portion of the windowsill coping is influenced by the removal of the support blocks, and when the concrete windowsill coping is cast, concrete embedded into the wall body is easy to cast and cannot be in place, so that the quality problems of water seepage and the like occur to the windowsill coping, and the construction is complicated. 3. As disclosed in chinese patent No. 201649416U, a reinforced concrete sill coping pre-embedded block is prefabricated, so that when a wall is built to a sill position, the pre-embedded block is fixedly embedded in the wall, an upper wall is directly built on the pre-embedded block, before the sill coping is constructed, the reinforcing steel bars at the window coping position are connected with the reinforcing steel bars of the pre-embedded block, a template is supported, and the reinforced concrete sill coping is poured, but a construction joint and a stress concentration point exist between the window coping pre-embedded block and the window coping at both sides of the window, which is unfavorable for the integrity and stability of the wall at the lower part of the sill coping.

Disclosure of utility model

The utility model provides a windowsill coping precast block pouring die and a windowsill coping precast block, which are used for solving the technical problems that the construction period can be prolonged, or the quality of water seepage occurs in the windowsill coping, or the integrity and stability of a wall body at the lower part of the windowsill coping are poor in the existing windowsill coping pouring construction.

According to one aspect of the utility model, there is provided a sill coping precast block casting mold, comprising an inner main body, and an outer casing which is arranged in a cuboid shape and is enclosed outside the inner main body, wherein the outer casing comprises a first outer short plate and a second outer short plate which are oppositely arranged at two sides of the inner main body in the width direction, and a first outer long plate and a second outer long plate which are oppositely arranged at two sides of the inner main body in the length direction, the first outer short plate, the first outer long plate, the second outer short plate and the second outer long plate are sequentially connected end to end so as to enclose outside the inner main body, a first casting cavity is arranged between the first outer short plate and the inner main body, the second outer short plate is attached to the surface of the inner main body, a second casting cavity is arranged between the first outer long plate and the inner main body, a third casting cavity is arranged between the second outer long plate and the inner main body, the first casting cavity is respectively communicated with the second casting cavity and the third casting cavity, and a casting groove which is respectively communicated with the second casting cavity and the third casting cavity is also concavely arranged at the upper end part of the inner main body.

As a further improvement of the above technical scheme:

Further, the inner body includes a first long side disposed corresponding to the first outer long plate, and the first long side is disposed obliquely from bottom to top.

Further, the inner body includes a second long side disposed corresponding to the second outer long plate, and the second long side is disposed obliquely from bottom to top inward.

Further, first spacer blocks respectively abutted to the first outer short plates and the inner main body are arranged in the first pouring cavity, second spacer blocks respectively abutted to the first outer long plates and the inner main body are arranged in the second pouring cavity, and third spacer blocks respectively abutted to the second outer long plates and the inner main body are arranged in the third pouring cavity.

Further, a plurality of first separation blocks are arranged in the first pouring cavity at intervals; and/or a plurality of second partition blocks are arranged in the second pouring cavity at intervals; and/or a plurality of third separation blocks are arranged in the third pouring cavity at intervals.

Further, a demolding layer is arranged on the inner wall surface of the first outer short plate; and/or a demoulding layer is arranged on the inner wall surface of the first outer long plate; and/or a release layer is arranged on the inner wall surface of the second outer long plate.

Further, a demolding layer is arranged on the side surfaces of the inner main body, which are respectively arranged corresponding to the first outer short plate, the first outer long plate and the second outer long plate.

Further, the pouring grooves are arranged in a plurality, and the pouring grooves are distributed on the upper end portion of the inner main body at intervals.

According to another aspect of the utility model, there is also provided a sill coping precast block formed by casting using the sill coping precast block casting mold.

Further, the windowsill coping precast block comprises a pouring short plate, a first pouring long plate and a second pouring long plate, the pouring short plate, the first pouring long plate and the second pouring long plate are integrally poured into shape and are distributed in a concave shape, and the windowsill coping precast block further comprises pouring connecting parts which are respectively integrally poured into shape with the first pouring long plate and the second pouring long plate.

The utility model has the following beneficial effects:

In the construction process of the building, the first outer short plate, the first outer long plate, the second outer short plate and the second outer long plate are connected end to end in sequence to form an outer shell, then the outer shell is enclosed outside the inner main body, so that the first outer short plate and the inner main body are enclosed to form a first casting cavity, the second outer short plate is attached to the surface of the inner main body, the first outer long plate and the inner main body are enclosed to form a second casting cavity, the second outer long plate and the inner main body are enclosed to form a third casting cavity, the upper end surface of the inner main body is provided with casting grooves respectively communicated with the second casting cavity and the third casting cavity, the structural stability of the casting to form the windowsill coping precast block is improved, then concrete is cast into the first casting cavity, the second casting cavity, the third casting cavity and the casting grooves to form the windowsill coping block, when the sill coping precast block is solidified and the strength reaches the standard, the sill coping precast block is built to the position where the sill coping extends into the wall body, then the wall body at two sides of the window is built, when the sill coping construction is carried out, the sill coping precast block is used as one of the dies for post-pouring sill coping, the reinforcing steel bars are arranged in the sill coping precast block, then the sill coping concrete pouring is carried out, and the sill coping precast block is a component part of the sill coping, so that the quality of the sill coping is greatly ensured. The practicability is strong, and the method is suitable for wide popularization and application.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a casting mold for a sill coping precast block according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic top view of a casting mold for sill coping precast blocks according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of the sill coping precast block casting mold of FIG. 2 in a length direction;

FIG. 4 is a schematic cross-sectional view of the sill coping precast block casting mold of FIG. 2 in a width direction;

FIG. 5 is a schematic view of the structure of the inner body of the sill coping precast block casting mold of FIG. 2;

FIG. 6 is a schematic view of the structure of an outer shell in the sill coping precast block casting mold shown in FIG. 2;

Fig. 7 is a schematic structural view of a sill coping mold composed of sill coping precast blocks according to a preferred embodiment of the present utility model.

Legend description:

100. An inner body; 110. pouring a groove; 200. an outer housing; 210. a first outer short plate; 220. a second outer short plate; 230. a first outer long plate; 240. a second outer long plate; 300. a first separation block; 400. a second spacer; 500. a third separation block; 600. pressing the prefabricated block by the windowsill; 610. pouring a short plate; 620. a first pouring long plate; 630. the second pouring long plate; 640. and pouring the connecting part.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.

FIG. 1 is a schematic view of a casting mold for a sill coping precast block according to a preferred embodiment of the present utility model; FIG. 2 is a schematic top view of a casting mold for sill coping precast blocks according to a preferred embodiment of the present utility model; FIG. 3 is a schematic cross-sectional view of the sill coping precast block casting mold of FIG. 2 in a length direction; FIG. 4 is a schematic cross-sectional view of the sill coping precast block casting mold of FIG. 2 in a width direction; FIG. 5 is a schematic view of the structure of the inner body of the sill coping precast block casting mold of FIG. 2; FIG. 6 is a schematic view of the structure of an outer shell in the sill coping precast block casting mold shown in FIG. 2; fig. 7 is a schematic structural view of a sill coping mold composed of sill coping precast blocks according to a preferred embodiment of the present utility model.

As shown in fig. 1 to 6, the sill coping prefabricated section casting mold of the present embodiment includes an inner body 100 and an outer housing 200 disposed in a rectangular parallelepiped shape and enclosed outside the inner body 100, the outer housing 200 includes a first outer short plate 210 and a second outer short plate 220 disposed opposite to both sides of the inner body 100 in a width direction, and a first outer long plate 230 and a second outer long plate 240 disposed opposite to both sides of the inner body 100 in a length direction, the first outer short plate 210, the first outer long plate 230, the second outer short plate 220 and the second outer long plate 240 are sequentially connected end to end so as to enclose outside the inner body 100, a first casting cavity is provided between the first outer short plate 210 and the inner body 100, The second outer short plate 220 is attached to the surface of the inner main body 100, a second pouring cavity is formed between the first outer long plate 230 and the inner main body 100, a third pouring cavity is formed between the second outer long plate 240 and the inner main body 100, the first pouring cavity is communicated with the second pouring cavity and the third pouring cavity respectively, and a pouring groove 110 communicated with the second pouring cavity and the third pouring cavity respectively is further concavely formed in the upper end portion of the inner main body 100. Specifically, in the sill coping precast block casting mold of the present utility model, in the construction process, first, the outer shell 200 is formed by sequentially connecting the first outer short plate 210, the first outer long plate 230, the second outer short plate 220 and the second outer long plate 240 end to end, then the outer shell 200 is enclosed outside the inner body 100, so that the first outer short plate 210 and the inner body 100 enclose to form a first casting cavity, the second outer short plate 220 is attached to the surface of the inner body 100, the first outer long plate 230 and the inner body 100 enclose to form a second casting cavity, the second outer long plate 240 and the inner body 100 enclose to form a third casting cavity, and the upper end surface of the inner body 100 is provided with a casting groove 110 respectively communicated with the second casting cavity and the third casting cavity, The structural stability of the sill coping precast block 600 is improved, then concrete is poured into the first pouring cavity, the second pouring cavity, the third pouring cavity and the pouring groove 110 to form the sill coping precast block 600, after the sill coping precast block 600 is solidified and the strength reaches the standard, the sill coping precast block 600 is built to the position where the sill coping extends into the wall, then the wall on two sides of the window is built, when the construction of the sill coping is carried out, the sill coping precast block 600 is used as one of the dies for post-pouring the sill coping, the reinforcing steel bars are arranged in the sill coping precast block 600, then the sill coping concrete pouring is carried out, and the sill coping precast block 600 is a component part of the sill coping, the quality of windowsill coping is guaranteed greatly, the scheme is that the windowsill coping precast block 600 is prefabricated, wall body masonry and windowsill coping pouring on two sides of a window can be respectively carried out through the windowsill coping precast block 600, compared with the prior art, the construction period of a building is short, concrete is easy to pour and tamp when the windowsill coping is poured, after the quality of the windowsill coping is formed, no construction joint and stress concentration point exist, the integrity and the temperature of the wall body on the lower portion of the windowsill coping are good, the practicability is high, and the windowsill coping is suitable for being widely popularized and applied. It should be understood that concrete is a well known material to those skilled in the art. It should be understood that casting is a well known process to those skilled in the art.

As shown in fig. 1 and 4, in the present embodiment, the inner body 100 includes a first long side surface disposed corresponding to the first outer long plate 230, and the first long side surface is disposed obliquely from bottom to top inward. Specifically, the first long side surface corresponding to the first outer long plate 230 on the inner main body 100 is obliquely arranged from bottom to top so that the horizontal section of the second pouring cavity is gradually increased from bottom to top, concrete pouring feeding is facilitated to form the sill coping precast block 600, and the sill coping precast block 600 is built, so that the supporting section of the sill coping precast block 600 is gradually reduced from bottom to top, the compression section of the sill coping precast block 600 is enhanced, and the structural strength of the sill coping precast block 600 is improved. It should be understood that, in actual construction, the vertical direction of the sill coping precast block 600 is opposite to the vertical direction of the sill coping precast block 600 cast in the sill coping precast block casting mold.

As shown in fig. 1 and 4, in the present embodiment, the inner body 100 includes a second long side surface disposed corresponding to the second outer long plate 240, and the second long side surface is disposed obliquely from bottom to top inward. Specifically, the second long side surface, which is correspondingly arranged on the inner main body 100 and the second outer long plate 240, is obliquely arranged from bottom to top inwards, so that the horizontal section of the third pouring cavity is gradually increased from bottom to top, concrete pouring feeding is facilitated to form the windowsill coping precast block 600, and the windowsill coping precast block 600 is built, so that the supporting section of the windowsill coping precast block 600 is gradually reduced from bottom to top, the compression section of the windowsill coping precast block 600 is enhanced, and the structural strength of the windowsill coping precast block 600 is improved.

As shown in fig. 2 to 4, in the present embodiment, a first spacer 300 that is respectively in contact with the first outer short plate 210 and the inner body 100 is disposed in the first pouring chamber, a second spacer 400 that is respectively in contact with the first outer long plate 230 and the inner body 100 is disposed in the second pouring chamber, and a third spacer 500 that is respectively in contact with the second outer long plate 240 and the inner body 100 is disposed in the third pouring chamber. Specifically, the first outer short plate 210 and the inner main body 100 are separated by the first separation block 300, so as to ensure that the width dimension of the first pouring cavity meets the requirement, and further ensure that the structural strength of the sill coping precast block 600 is formed by pouring; the first outer long plate 230 and the inner main body 100 are separated by the second separation block 400 to ensure that the width dimension of the second pouring cavity meets the requirement, thereby ensuring the structural strength of the sill coping precast block 600 formed by pouring; the second outer long plate 240 and the inner body 100 are partitioned by the third partition block 500 to ensure that the width dimension of the third casting cavity meets the requirement, thereby ensuring the structural strength of the casting forming sill coping precast block 600. Alternatively, the first spacer block 300 is formed by concrete casting to be an integral part of the sill coping precast block 600. Alternatively, the second spacer 400 is formed by concrete casting to form an integral part of the sill coping precast block 600. Optionally, the third spacer block 500 is formed by concrete casting to form an integral part of the sill coping precast block 600.

As shown in fig. 2 to 4, in this embodiment, a plurality of first separation blocks 300 are provided, and the plurality of first separation blocks 300 are arranged in the first pouring cavity at intervals. Specifically, the width dimension of the first pouring cavity is ensured to be accurate through the plurality of first separation blocks 300, so that the width dimension of the first pouring cavity is ensured to meet the requirement, and further the structural strength of the sill coping precast block 600 formed by pouring is ensured to meet the requirement. Alternatively, the number of the first separation blocks 300 is two, and the two first separation blocks 300 are respectively disposed at both sides of the inner body 100 in the width direction, so that the accuracy of the width dimension of the first casting cavity is ensured to the greatest extent by the two first separation blocks 300.

As shown in fig. 2 to 4, in this embodiment, a plurality of second spacer particles 400 are provided, and the plurality of second spacer particles 400 are arranged in the second casting cavity at intervals. Specifically, the plurality of second partition blocks 400 ensure that the width dimension of the second pouring cavity is accurate, so as to ensure that the width dimension of the second pouring cavity meets the requirement, and further ensure that the structural strength of the sill coping precast block 600 formed by pouring meets the requirement. Optionally, the number of the second spacer 400 is two, and the two second spacer 400 are respectively disposed at both sides of the inner body 100 in the length direction, so that the accuracy of the width dimension of the second casting cavity is ensured to the greatest extent by the two second spacer 400.

As shown in fig. 2 to 4, in this embodiment, a plurality of third separation blocks 500 are provided, and the plurality of third separation blocks 500 are arranged in the third pouring cavity at intervals. Specifically, the width dimensions of the third pouring cavity are ensured to be accurate through the plurality of third separation blocks 500, so that the width dimensions of the third pouring cavity are ensured to meet the requirements, and further the structural strength of the sill coping precast block 600 formed by pouring is ensured to meet the requirements. Optionally, the number of the third separation blocks 500 is two, and the two third separation blocks 500 are respectively disposed at both sides of the inner body 100 in the length direction, so that the accuracy of the width dimension of the third casting cavity is ensured to the greatest extent by the two third separation blocks 500.

In this embodiment, a release layer is disposed on the inner wall surface of the first outer short plate 210. Specifically, sill coping precast block 600 is facilitated from a sill coping precast block casting mold by a mold release layer. Optionally, a release agent is coated on the inner wall of the first outer short plate 210 to form a release layer.

In this embodiment, a release layer is provided on the inner wall surface of the first outer long plate 230. Specifically, sill coping precast block 600 is facilitated from a sill coping precast block casting mold by a mold release layer. Optionally, a release agent is coated on the inner wall of the first outer long plate 230 to form a release layer.

In this embodiment, a release layer is provided on the inner wall surface of the second outer long plate 240. Specifically, sill coping precast block 600 is facilitated from a sill coping precast block casting mold by a mold release layer. Optionally, a release agent is coated on the inner wall of the second outer long plate 240 to form a release layer.

In this embodiment, the inner body 100 is provided with a mold release layer on the side surfaces corresponding to the first outer short plate 210, the first outer long plate 230, and the second outer long plate 240, respectively. Specifically, sill coping precast block 600 is facilitated from a sill coping precast block casting mold by a mold release layer. Alternatively, the side surfaces of the inner body 100, which are respectively disposed corresponding to the first outer short plate 210, the first outer long plate 230, and the second outer long plate 240, are coated with a mold release agent to form a mold release layer.

As shown in fig. 2 and 5, in the present embodiment, a plurality of pouring grooves 110 are provided, and the plurality of pouring grooves 110 are arranged at intervals on the upper end portion of the inner body 100. Specifically, the structural strength of the sill coping precast block 600 formed by casting is further improved by casting the groove 110.

As shown in fig. 7, the sill coping prefabricated section 600 of the present embodiment is formed by casting using the aforementioned sill coping prefabricated section casting mold. Specifically, by adopting the windowsill coping precast block pouring die to pour and form the windowsill coping precast block 600, the windowsill coping precast block 600 is built to be used for windowsill coping pouring, so that the construction period is not affected any more by windowsill coping pouring, and the windowsill coping quality is good, and meanwhile, the integrity and stability of the lower wall body of the windowsill coping are good.

As shown in fig. 7, in this embodiment, the sill coping precast block 600 includes a casting short slab 610, a first casting long slab 620 and a second casting long slab 630, the casting short slab 610, the first casting long slab 620 and the second casting long slab 630 are integrally cast and laid in a concave shape, and the sill coping precast block 600 further includes casting connection portions 640 integrally cast with the first casting long slab 620 and the second casting long slab 630, respectively. Specifically, the pouring short plate 610, the first pouring long plate 620, the second pouring long plate 630 and the pouring connection part 640 are integrally poured and formed in the windowsill coping precast block pouring mold, the windowsill coping pouring cavity is formed by enclosing the pouring short plate 610, the first pouring long plate 620 and the second pouring long plate 630, bottom support is provided for wall masonry on two sides of a window, the first pouring long plate 620 and the second pouring long plate 630 are connected through the pouring connection part 640, the integral structural strength of the windowsill coping precast block 600 is improved, and the reinforcing steel mesh cushion block on the lower part is pressed. Alternatively, two sill coping prefabricated blocks 600, reinforcing bars and support templates at both sides in the window width direction constitute a sill coping pouring mold.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a windowsill coping prefabricated section pouring die, a serial communication port, including interior main part (100) and be cuboid to lay and enclose and close outer shell (200) outside interior main part (100), outer shell (200) are including relatively arranging first outer short board (210) and second outer short board (220) in the width direction both sides of interior main part (100), and relatively lay first outer long board (230) and second outer long board (240) in the length direction both sides of interior main part (100), first outer short board (210), first outer long board (230), second outer short board (220) and second outer long board (240) are consecutive in order end to end and are equipped with first pouring chamber between first outer short board (210) and interior main part (100), second outer short board (220) and interior main part (100) face laminating, be equipped with the second pouring chamber between first outer long board (230) and interior main part (100), be equipped with the third chamber and the third pouring chamber and the second pouring chamber are equipped with the third chamber and the third pouring chamber (100) and are equipped with the third pouring chamber and are connected with each other on the second pouring chamber (110).

2. The sill coping precast block casting mold of claim 1, wherein the inner body (100) includes a first long side disposed corresponding to the first outer long plate (230), the first long side being disposed obliquely from bottom to top inward.

3. The sill coping precast block casting mold of claim 1, wherein the inner body (100) includes a second long side disposed corresponding to the second outer long plate (240), the second long side being disposed obliquely from bottom to top.

4. The sill coping precast block casting mold according to claim 1, wherein a first spacer block (300) respectively abutting against the first outer short plate (210) and the inner main body (100) is arranged in the first casting cavity, a second spacer block (400) respectively abutting against the first outer long plate (230) and the inner main body (100) is arranged in the second casting cavity, and a third spacer block (500) respectively abutting against the second outer long plate (240) and the inner main body (100) is arranged in the third casting cavity.

5. The sill coping precast block casting mold according to claim 4, wherein a plurality of first separation blocks (300) are provided, and the plurality of first separation blocks (300) are arranged in the first casting cavity at intervals; and/or

The second partition blocks (400) are arranged in a plurality of mode, and the second partition blocks (400) are arranged in the second pouring cavity at intervals; and/or

The third separation blocks (500) are provided with a plurality of, and the plurality of third separation blocks (500) are arranged in the third pouring cavity at intervals.

6. The sill coping precast block casting mold according to any of claims 1 to 5, characterized in that a release layer is disposed on an inner wall surface of the first outer short plate (210); and/or

A release layer is arranged on the inner wall surface of the first outer long plate (230); and/or

A release layer is provided on the inner wall surface of the second outer long plate (240).

7. The sill coping precast block casting mold according to any of claims 1 to 5, wherein a mold release layer is disposed on sides of the inner body (100) disposed corresponding to the first outer short plate (210), the first outer long plate (230) and the second outer long plate (240), respectively.

8. The sill coping precast block casting die according to any one of claims 1 to 5, wherein a plurality of casting grooves (110) are provided, and the plurality of casting grooves (110) are arranged on an upper end portion of the inner body (100) at intervals.

9. A sill coping precast block, characterized in that the sill coping precast block is formed by casting with the sill coping precast block casting mold according to any one of claims 1 to 8.

10. The sill coping precast block of claim 9, characterized in that the sill coping precast block (600) comprises a casting short slab (610), a first casting long slab (620) and a second casting long slab (630), the casting short slab (610), the first casting long slab (620) and the second casting long slab (630) are integrally cast and arranged in a concave shape, and the sill coping precast block (600) further comprises casting connection parts (640) integrally cast with the first casting long slab (620) and the second casting long slab (630) respectively.