CN110761288A - Concrete pouring method for deep foundation pit - Google Patents
Concrete pouring method for deep foundation pit Download PDFInfo
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- CN110761288A CN110761288A CN201911047025.6A CN201911047025A CN110761288A CN 110761288 A CN110761288 A CN 110761288A CN 201911047025 A CN201911047025 A CN 201911047025A CN 110761288 A CN110761288 A CN 110761288A
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- 239000004567 concrete Substances 0.000 title claims abstract description 244
- 238000000034 method Methods 0.000 title claims abstract description 65
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 67
- 238000005266 casting Methods 0.000 claims description 26
- 239000000498 cooling water Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000007569 slipcasting Methods 0.000 description 27
- 238000010276 construction Methods 0.000 description 12
- 230000002349 favourable effect Effects 0.000 description 6
- 230000001737 promoting effect Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000005204 segregation Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011376 self-consolidating concrete Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention provides a deep foundation pit concrete pouring method, which is used for concrete pouring equipment, wherein the concrete pouring equipment comprises a conveying pipe, and the deep foundation pit concrete pouring method comprises the following steps: installing a reinforcing template in the channel to be grouted, and dividing a pouring area according to the channel to be grouted and the reinforcing template; a plurality of conveying pipes are arranged in the pouring area at intervals along the circumferential direction of the reinforced template; controlling the plurality of conveying pipes to pour concrete in sequence to form a concrete layer; and (5) pouring the concrete layer by layer until the grouting height of the channel to be grouted is reached. According to the invention, the plurality of conveying pipes are arranged in the pouring area at intervals along the circumferential direction of the reinforcing template so as to divide the pouring area, each area is provided with one conveying pipe, the conveying pipes are used for performing integral and comprehensive pouring operation on the pouring area, the use requirements of different pouring spaces are met under the condition of ensuring the pouring effect, the continuous and cyclic concrete pouring operation along the circumferential direction of the reinforcing template is realized, and the quality of concrete pouring can be further ensured.
Description
Technical Field
The invention relates to the technical field of concrete pouring, in particular to a deep foundation pit concrete pouring method.
Background
In the related art, concrete pouring is mainly performed in the following two ways:
firstly, concrete is poured in a mode of directly pumping concrete to a to-be-poured area, a pump truck arm is difficult to unfold to a pouring position due to space limitation, and on the other hand, aggregate separation and concrete waste are easily caused in a traditional high-fall concrete vertical conveying mode, so that the pouring effect of the concrete is reduced;
secondly, use lifting device to wait to pour the regional (for example, deep basal pit) interior transport concrete, because it is narrow and small to wait to pour the regional space, cause the inconvenient condition of lifting device removal to take place easily, cause the process efficiency of carrying the concrete to be lower.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
Therefore, the invention provides a deep foundation pit concrete pouring method on one aspect.
In view of the above, an aspect of the present invention provides a deep foundation pit concrete pouring method for a concrete pouring apparatus, the concrete pouring apparatus including a conveying pipe, the deep foundation pit concrete pouring method including: installing a reinforcing template in the channel to be grouted, and dividing a pouring area according to the channel to be grouted and the reinforcing template; a plurality of conveying pipes are arranged in the pouring area at intervals along the circumferential direction of the reinforced template; controlling the plurality of conveying pipes to pour concrete in sequence to form a concrete layer; and (5) pouring the concrete layer by layer until the grouting height of the channel to be grouted is reached.
According to the deep foundation pit concrete pouring method provided by the invention, a reinforcing template is installed in a channel to be poured with concrete (if the reinforcing template is configured into a cylindrical structure), and a pouring area is divided according to the channel to be poured with concrete and the reinforcing template, so that a pouring place of the concrete is determined; furthermore, as the area of the pouring area is large, a plurality of conveying pipes are arranged at intervals in the circumferential direction of the reinforcing template in the pouring area to divide the pouring area, and each area is provided with one conveying pipe, so that the conveying pipes can be used for carrying out overall and comprehensive pouring operation on the pouring area; further, the grouting can be switched between the conveying pipes in sequence by utilizing the pump truck, so that the conveying pipes can pour concrete in sequence to form a concrete layer, and the concrete layers are poured layer by layer until the grouting height of the channel to be grouted is reached, namely, the concrete pouring operation can be continuously and circularly carried out along the circumferential direction of the reinforced template, the uniformity and the stability of concrete pouring can be ensured, the concrete layers of adjacent layers can be ensured to have better associativity, the phenomenon of aggregate separation of the concrete is avoided, the common concrete segregation and the layering phenomenon of the vertical pouring operation of the high-fall deep foundation pit in the related technology can be effectively avoided, and the pouring effect and the pouring efficiency are effectively improved.
According to the concrete pouring method for the deep foundation pit, the concrete pouring method can also have the following additional technical characteristics:
in the above technical solution, further, the step of controlling the plurality of delivery pipes to pour concrete in sequence to form a concrete layer specifically includes: controlling the multiple conveying pipes to sequentially pour the same height of concrete; or the amount of concrete poured in the conveying pipes in sequence is controlled to be the same; or the concrete poured by the conveying pipes in sequence is controlled to have the same time.
In the technical scheme, as the shape of the channel to be grouted is changed, the parameters for forming the concrete layer can be set according to the actual situation on site. For example, when the shape of the channel to be grouted is irregular, the multiple conveying pipes can be controlled to be sequentially poured with the same height of concrete so as to ensure that each area of the formed concrete layer is equal in thickness; for example, when the shape of the channel to be grouted is regular, the amount of concrete poured into the plurality of conveying pipes can be controlled to be the same, or the time for sequentially pouring the concrete into the plurality of conveying pipes can be controlled to be the same, so as to ensure that the thickness of each area of the formed concrete layer is the same. Of course, the height of the cast concrete, the amount of the cast concrete and the amount of the cast concrete can be determined according to design requirements or concrete molding requirements without being limited by the shape of the grouting channel.
In any one of the above technical solutions, further, the concrete pouring apparatus further includes a sliding member and a driving member, the sliding member is connected to the driving member and the conveying pipe, and the deep foundation pit concrete pouring method further includes: after a conveying arm based on the pump truck is switched from one conveying pipe to another conveying pipe, the driving piece is controlled to drive the sliding piece to drive the conveying pipe to move upwards to a target position.
In the technical scheme, the concrete pouring equipment further comprises a sliding part and a driving part, the driving part is assembled with the sliding part, and the driving part drives the sliding part to move, so that the sliding part drives the conveying pipe to move. And this setting has promoted concrete placement operation's degree of automation for the operation personnel are located the top of treating the slip casting passageway (like the top of deep basal pit) and just can pour the operation, avoid taking place because of the condition that the operation personnel got into the basal pit bottom and easily take place the incident, have reduced operation personnel's intensity of labour, are favorable to promoting and pour efficiency.
Further, the delivery arm of the pump truck is switched to another delivery pipe by one delivery pipe when the delivery pipe moves upwards is limited, so that the pouring operation of the next delivery pipe cannot be influenced, the continuity of the concrete pouring operation can be guaranteed, and the construction efficiency can be guaranteed.
In any one of the above technical solutions, further, the conveying pipe includes a plurality of sub-conveying pipes connected end to end in sequence, and the deep foundation pit concrete pouring method further includes: and disassembling the sub-conveying pipe positioned at the uppermost layer based on the fact that the distance of the upward movement of the conveying pipe reaches the length of the sub-conveying pipe.
In this technical scheme, because the conveyer pipe comprises a plurality of end to end's sub-conveyer pipe in proper order, so, when conveyer pipe rebound's distance reaches sub-conveyer pipe's length, can dismantle the sub-conveyer pipe that is located the superiors, and then can guarantee that the conveyer pipe top is in the certain extent to the distance between the bottom of treating the slip casting passageway, like this, conveyer pipe is to the user demand in space when having reduced the concrete grouting, and then the construction demand of the narrow and small construction space of adaptation that can be better. In addition, because what dismantle is located the sub-conveyer pipe of the superiors, so can not influence the work demand of the normal slip casting of sub-conveyer pipe of below, and then can not influence the construction progress, can guarantee the continuity and the stability of construction.
In any of the above technical solutions, further, before the step of installing a plurality of conveying pipes, the method further includes: the driving piece is controlled to drive the sliding piece to drive the conveying pipe to move downwards to the mounting position.
In this technical scheme, control driving piece drive slider drives the conveyer pipe and moves to the mounted position downwards to it is controllable to guarantee the conveyer pipe to the interval of the diapire of pouring the region, and then provides effectual space assurance for the concrete layer of follow-up formation, and can avoid appearing the problem of concrete segregation because of the height drop is great. And this setting has promoted concrete placement operation's degree of automation for the operation personnel are located the top of treating the slip casting passageway (like the top of deep basal pit) and just can pour the operation, avoid the operation personnel to get into the condition emergence of pouring the regional manual work of assembling the conveyer pipe, have reduced operation personnel's intensity of labour, are favorable to promoting and pour efficiency.
In any one of the above technical solutions, further, the concrete pouring apparatus further includes a water tank and a cooling water pipe, both ends of the cooling water pipe are connected to the water tank, and after the step of installing the plurality of conveying pipes, the concrete pouring apparatus further includes: the cooling water pipe and the water tank are installed so that the cooling water pipe is positioned at one side of the delivery pipe.
In this technical scheme, because concrete placement equipment includes water tank and condenser tube, the both ends of condenser tube are connected with the water tank, promptly, the condenser tube is configured into the U type to with condenser tube send into the region of pouring, make condenser tube be located one side of conveyer pipe, and then the concrete that flows in usable condenser tube comes circulative cooling conveyer pipe, with the follow-up concrete shaping quality of assurance.
In any of the above technical solutions, further, the concrete pouring apparatus further includes a monitoring component, and before the step of installing the plurality of conveying pipes, the concrete pouring apparatus further includes: and installing the monitoring assembly at the discharge outlet of the conveying pipe, and collecting concrete pouring images through the monitoring assembly.
In this technical scheme, concrete placement equipment still includes the control subassembly, installs the control subassembly in the delivery port department of conveyer pipe, and the control subassembly can rise or descend along with the conveyer pipe, and then the whole control of accessible control subassembly gathers concrete placement image to realize the purpose of whole control concrete placement condition, if, the position of the delivery port of accessible control subassembly control conveyer pipe in pouring the region and through the control subassembly real-time observation concrete placement quality. This setting has promoted the degree of automation of concrete placement operation for the condition of pouring of concrete is known in real time to the operating personnel accessible display that is located the top (like the top of deep basal pit) of treating slip casting passageway, has reduced operating personnel's intensity of labour, is favorable to promoting and pours efficiency.
In any of the above technical solutions, further, the concrete pouring apparatus further includes a guide rail, the sliding member is slidably connected to the guide rail, and before the step of installing the plurality of conveying pipes, the concrete pouring apparatus further includes: and welding the guide rail and the reinforcing template.
In the technical scheme, the guide rail and the reinforcing template are connected together in a welding mode, so that the firmness and reliability of the assembly of the guide rail and the reinforcing template can be ensured. The sliding part can slide relative to the guide rail, the conveying pipe is arranged on the sliding part, so that the sliding part can drive the conveying pipe to stably move, the conveying pipe is prevented from shaking, the driving part is assembled with the sliding part, and the driving part drives the sliding part to relatively guide
The rail removes to make the slider drive the conveyer pipe and remove, thereby can drive the concrete discharge port of conveyer pipe and remove to the difference and treat slip casting station department, improve and treat slip casting passageway and pour the convenience of process and pour efficiency.
In any of the above solutions, further, the reinforcing template is configured to have a first casting area; and a second pouring area is formed between the channel to be grouted and the reinforcing template.
In this technical scheme, through pouring the slip casting to first pouring region and second pouring region, the concrete is filled in the clearance between the diapire of reinforcing template and the passageway of waiting to slip casting and between reinforcing template and the passageway of waiting to slip casting, can guarantee that reinforcing template and the passageway of waiting to slip casting are firm and reliable link together, and the whole structural strength of reinforcing template and the passageway of waiting to slip casting can effectively be promoted to first pouring region and second pouring region simultaneously and slip casting.
In any of the above technical solutions, further, the heights of two adjacent concrete layers are equal or unequal.
In this technical scheme, can set up the layer height on adjacent two-layer concrete layer according to the concrete structure of treating the slip casting passageway, if, the layer height on adjacent two-layer concrete layer equals, or the layer height on adjacent two-layer concrete layer is not equal to satisfy diversified user demand under the circumstances of guaranteeing the concrete quality.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a first embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a second embodiment of the present invention;
fig. 3 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a third embodiment of the present invention;
fig. 4 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a fourth embodiment of the present invention;
fig. 5 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a fifth embodiment of the present invention;
fig. 6 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a sixth embodiment of the present invention;
fig. 7 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to an embodiment of the present invention;
FIG. 8 illustrates a first perspective cross-sectional view of a concrete placement apparatus, a foundation pit, and a reinforcing form, in accordance with an embodiment of the present invention;
FIG. 9 illustrates a second perspective cross-sectional view of the concrete placement equipment, the foundation pit, and the reinforcing forms of one embodiment of the present invention;
FIG. 10 illustrates a schematic structural view of a concrete placement device, a foundation pit, and a reinforcing form according to an embodiment of the present invention;
FIG. 11 illustrates a partial structural view from a first perspective of a concrete placement apparatus, a foundation pit, and a reinforcing form according to an embodiment of the present invention;
FIG. 12 illustrates a second perspective, partial, schematic structural view of a concrete placement apparatus, a foundation pit, and a reinforcing form, in accordance with an embodiment of the present invention;
FIG. 13 illustrates a partial structural view from a third perspective of a concrete placement apparatus, a foundation pit, and a reinforcing form according to an embodiment of the present invention;
fig. 14 is a partial structural view of a fourth perspective of a concrete placement device, a foundation pit, and a reinforcing form according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 8 to 14 is:
the concrete pouring system comprises a 110 delivery pipe, a 120 sliding part, a 140 water tank, a 150 cooling water pipe, a 160 monitoring assembly, a 172 first guide rail, a 174 second guide rail, a 180 fixing device, a 190 support, a 200 first pouring area, a 210 second pouring area, a 220 winch, a 300 reinforced template, a 400 pump truck cantilever crane and a 500 foundation pit.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A deep foundation pit concrete pouring method according to some embodiments of the present invention will be described below with reference to fig. 1 to 14.
Example 1:
fig. 1 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a first embodiment of the present invention, wherein the deep foundation pit concrete pouring method includes:
s102, installing a reinforcing template in the channel to be grouted, and dividing a pouring area according to the channel to be grouted and the reinforcing template;
s104, installing a plurality of conveying pipes at intervals along the circumferential direction of the reinforced template in the pouring area;
s106, controlling the plurality of conveying pipes to pour concrete in sequence to form a concrete layer;
and S108, pouring the concrete layer by layer until the grouting height of the channel to be grouted is reached.
In detail, a reinforcing template is installed in a channel to be grouted (if the reinforcing template is configured into a cylindrical structure), and a pouring area is divided according to the channel to be grouted and the reinforcing template, so that a pouring place of concrete is determined; furthermore, as the area of the pouring area is large, a plurality of conveying pipes are arranged at intervals in the circumferential direction of the reinforcing template in the pouring area to divide the pouring area, and each area is provided with one conveying pipe, so that the conveying pipes can be used for carrying out overall and comprehensive pouring operation on the pouring area; further, the grouting can be switched between the conveying pipes in sequence by utilizing the pump truck, so that the conveying pipes can pour concrete in sequence to form a concrete layer, and the concrete layers are poured layer by layer until the grouting height of the channel to be grouted is reached, namely, the concrete pouring operation can be continuously and circularly carried out along the circumferential direction of the reinforced template, the uniformity and the stability of concrete pouring can be ensured, the concrete layers of adjacent layers can be ensured to have better associativity, the phenomenon of aggregate separation of the concrete is avoided, the common concrete segregation and the layering phenomenon of the vertical pouring operation of the high-fall deep foundation pit in the related technology can be effectively avoided, and the pouring effect and the pouring efficiency are effectively improved.
Example 2:
fig. 2 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a second embodiment of the present invention, wherein the deep foundation pit concrete pouring method includes:
s202, installing a reinforcing template in the channel to be grouted, and dividing a pouring area according to the channel to be grouted and the reinforcing template;
s204, installing a plurality of conveying pipes at intervals along the circumferential direction of the reinforced template in the pouring area;
s206, controlling the multiple conveying pipes to sequentially pour the same height of concrete; or the amount of concrete poured in the conveying pipes in sequence is controlled to be the same; or the time for sequentially pouring the concrete by the plurality of conveying pipes is controlled to be the same;
and S208, pouring the concrete layer by layer until the grouting height of the channel to be grouted is reached.
In detail, as the shape of the channel to be grouted is changed, the parameters for forming the concrete layer can be set according to the actual situation on site. For example, when the shape of the channel to be grouted is irregular, the multiple conveying pipes can be controlled to sequentially pour the same height of concrete so as to ensure that each area of the formed concrete layer is equal in thickness; for example, when the shape of the channel to be grouted is regular, the plurality of conveying pipes can be controlled to pour the concrete in sequence in the same amount, or the plurality of conveying pipes can be controlled to pour the concrete in sequence in the same time, so as to ensure that the thickness of each area of the formed concrete layer is equal. Of course, the height of the poured concrete, the amount of the poured concrete and the amount of the poured concrete can be determined according to design requirements or concrete molding requirements without being limited by the shape of the channel to be grouted.
Specifically, for example, the number of the delivery pipes is four, the four delivery pipes are arranged at intervals along the circumferential direction of the reinforcing template, and the heights of the delivery pipes for sequentially pouring concrete are controlled to be the same; for another example, the number of the conveying pipes is five, the five conveying pipes are arranged at intervals along the circumferential direction of the reinforcing template, and the quantity of concrete poured in the plurality of conveying pipes in sequence is controlled to be the same; and for another example, the number of the conveying pipes is three, the three conveying pipes are arranged at intervals along the circumferential direction of the reinforcing template, and the time for controlling the plurality of conveying pipes to pour concrete in sequence is the same.
Example 3:
fig. 3 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a third embodiment of the present invention, wherein the deep foundation pit concrete pouring method includes:
s302, installing a reinforcing template in the channel to be grouted, and dividing a pouring area according to the channel to be grouted and the reinforcing template;
s304, installing a plurality of conveying pipes at intervals along the circumferential direction of the reinforced template in the pouring area;
s306, controlling the plurality of conveying pipes to pour concrete in sequence to form a concrete layer;
s308, after the conveying arm based on the pump truck is switched from one conveying pipe to another conveying pipe, controlling the driving piece to drive the sliding piece to drive the conveying pipe to move upwards to a target position;
and S310, pouring the concrete layer by layer until the grouting height of the channel to be grouted is reached.
In detail, because the concrete pouring equipment further comprises a sliding part and a driving part, the driving part is assembled with the sliding part, and the driving part drives the sliding part to move, so that the sliding part drives the conveying pipe to move, after the conveying arm based on the pump truck is switched from one conveying pipe to another conveying pipe, namely after the pouring operation of one conveying pipe is completed and the conveying arm of the pump truck is transferred to the conveying pipe to be poured next, the driving part is controlled to drive the sliding part to move, so that the conveying pipe which has just completed the pouring operation is driven to move upwards, the operation height of the conveying pipe to be poured next time is defined, and the condition that concrete poured is bonded with the rest conveying pipes during operation is avoided. And this setting has promoted concrete placement operation's degree of automation for the operation personnel are located the top of treating the slip casting passageway (like the top of deep basal pit) and just can pour the operation, avoid taking place because of the condition that the operation personnel got into the basal pit bottom and easily take place the incident, have reduced operation personnel's intensity of labour, are favorable to promoting and pour efficiency.
Further, the delivery arm of the pump truck is switched to another delivery pipe by one delivery pipe when the delivery pipe moves upwards is limited, so that the pouring operation of the next delivery pipe cannot be influenced, the continuity of the concrete pouring operation can be guaranteed, and the construction efficiency can be guaranteed.
Example 4:
fig. 4 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a fourth embodiment of the present invention, wherein the deep foundation pit concrete pouring method includes:
s402, installing a reinforcing template in the channel to be grouted, and dividing a pouring area according to the channel to be grouted and the reinforcing template;
s404, installing a plurality of conveying pipes at intervals along the circumferential direction of the reinforced template in the pouring area;
s406, controlling the plurality of conveying pipes to pour concrete in sequence to form a concrete layer;
s408, after the conveying arm based on the pump truck is switched from one conveying pipe to another conveying pipe, controlling the driving piece to drive the sliding piece to drive the conveying pipe to move upwards to a target position;
s410, disassembling the sub-conveying pipe positioned at the uppermost layer based on the fact that the upward movement distance of the conveying pipe reaches the length of the sub-conveying pipe;
and S412, pouring the concrete layer by layer until the grouting height of the channel to be grouted is reached.
In detail, because the conveyer pipe comprises a plurality of end to end's sub-conveyer pipe in proper order, so, when conveyer pipe rebound's distance reaches sub-conveyer pipe's length, can dismantle the sub-conveyer pipe that is located the superiors, and then can guarantee that the conveyer pipe top is in the certain extent to the distance between the bottom of treating the slip casting passageway, like this, conveyer pipe is to the user demand in space when having reduced the concrete grouting, and then the construction demand of the narrow and small construction space of adaptation that can be better. In addition, because what dismantle is located the sub-conveyer pipe of the superiors, so can not influence the work demand of the normal slip casting of sub-conveyer pipe of below, and then can not influence the construction progress, can guarantee the continuity and the stability of construction.
Example 5:
fig. 5 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a fifth embodiment of the present invention, wherein the deep foundation pit concrete pouring method includes:
s502, installing a reinforcing template in the channel to be grouted, and dividing a pouring area according to the channel to be grouted and the reinforcing template;
s504, welding the guide rail and the reinforcing template; controlling the driving piece to drive the sliding piece to drive the conveying pipe to move downwards to the mounting position; installing a monitoring assembly at a discharge outlet of a conveying pipe, and collecting concrete pouring images through the monitoring assembly;
s506, installing a plurality of conveying pipes at intervals along the circumferential direction of the reinforced template in the pouring area;
s508, controlling the plurality of conveying pipes to pour concrete in sequence to form a concrete layer;
s510, after a conveying arm based on a pump truck is switched from one conveying pipe to another conveying pipe, controlling a driving piece to drive a sliding piece to drive the conveying pipe to move upwards to a target position;
s512, based on the fact that the upward movement distance of the conveying pipe reaches the length of the sub-conveying pipe, the sub-conveying pipe positioned on the uppermost layer is disassembled;
and S514, pouring the concrete layer by layer until the grouting height of the channel to be grouted is reached.
Before the step of installing a plurality of conveying pipes, the method further comprises the following steps: the driving piece is controlled to drive the sliding piece to drive the conveying pipe to move downwards to the mounting position. The control driving piece drives the sliding piece to drive the conveying pipe to move downwards to the installation position, so that the distance from the conveying pipe to the bottom wall of the pouring area is controllable, an effective space guarantee is provided for a concrete layer formed subsequently, and the problem of concrete segregation caused by large height difference can be avoided. And this setting has promoted concrete placement operation's degree of automation for the operation personnel are located the top of treating the slip casting passageway (like the top of deep basal pit) and just can pour the operation, avoid the operation personnel to get into the condition emergence of pouring the regional manual work of assembling the conveyer pipe, have reduced operation personnel's intensity of labour, are favorable to promoting and pour efficiency.
Further, before the step of installing the plurality of delivery pipes, the method further comprises: and installing the monitoring assembly at the discharge outlet of the conveying pipe, and collecting concrete pouring images through the monitoring assembly. Concrete placement equipment still includes the control subassembly, installs the control subassembly in the delivery port department of conveyer pipe, and the control subassembly can rise or descend along with the conveyer pipe, and then the whole control of accessible control subassembly gathers concrete placement image (video and/or picture) to realize the purpose of whole control concrete placement condition, if, the position of the delivery port of accessible control subassembly control conveyer pipe in pouring the region and through the control subassembly real-time observation concrete placement quality. This setting has promoted the degree of automation of concrete placement operation for the condition of pouring of concrete is known in real time to the operating personnel accessible display that is located the top (like the top of deep basal pit) of treating slip casting passageway, has reduced operating personnel's intensity of labour, is favorable to promoting and pours efficiency.
Further, before the step of installing the plurality of delivery pipes, the method further comprises: and welding the guide rail and the reinforcing template. The guide rail and the reinforcing template are connected together in a welding mode, so that the firmness and reliability of the assembly of the guide rail and the reinforcing template can be guaranteed. And the slider can slide relative to the guide rail, and the conveyer pipe is installed on the slider for the slider can drive the conveyer pipe and remove steadily, avoids the conveyer pipe to rock, and the driving piece assembles mutually with the slider, and the driving piece drive slider moves relative to the guide rail, thereby make the slider drive the conveyer pipe and remove, thereby can drive the concrete discharge port of conveyer pipe and remove to different slip casting station departments, improve the convenience and the efficiency of pouring of treating the slip casting passageway process of pouring.
Further, a second pouring area is formed between the channel to be grouted and the reinforcing template; the reinforced form is configured to have a first casting area. Through pouring the grout to first pouring region and second pouring region, the concrete is filled in the clearance between reinforced template and the passageway of waiting to slip casting and between reinforced template and the diapire of waiting to slip casting passageway, can guarantee that reinforced template and the firm and reliable connection of waiting to slip casting passageway are in the same place, and the overall structure intensity of reinforced template and the passageway of waiting to slip casting can effectively be promoted to first pouring region and second pouring region simultaneously and slip casting.
Further, the layer heights of two adjacent concrete layers are equal or unequal. Can set up the layer height on adjacent two-layer concrete layer according to the concrete structure of treating slip casting passageway, if, the layer height on adjacent two-layer concrete layer equals, or the layer height on adjacent two-layer concrete layer is different to satisfy diversified user demand under the circumstances of guaranteeing the concrete quality.
Example 6:
fig. 6 is a schematic flow chart illustrating a deep foundation pit concrete pouring method according to a sixth embodiment of the present invention, wherein the deep foundation pit concrete pouring method includes:
s602, installing a reinforcing template in the channel to be grouted, and dividing a pouring area according to the channel to be grouted and the reinforcing template;
s604, welding the guide rail and the reinforcing template; controlling the driving piece to drive the sliding piece to drive the conveying pipe to move downwards to the mounting position; installing a monitoring assembly at a discharge outlet of a conveying pipe, and collecting concrete pouring images through the monitoring assembly;
s606, installing a plurality of conveying pipes at intervals along the circumferential direction of the reinforced template in the pouring area;
s608, installing a cooling water pipe and a water tank so that the cooling water pipe is positioned on one side of the conveying pipe;
s610, controlling the plurality of conveying pipes to pour concrete in sequence to form a concrete layer;
s612, after the conveying arm based on the pump truck is switched from one conveying pipe to another conveying pipe, controlling the driving piece to drive the sliding piece to drive the conveying pipe to move upwards to a target position;
s614, based on the fact that the upward movement distance of the conveying pipe reaches the length of the sub-conveying pipe, the sub-conveying pipe positioned on the uppermost layer is disassembled;
and S616, pouring the concrete layer by layer until the grouting height of the channel to be grouted is reached.
In detail, since the concrete pouring apparatus includes a water tank and a cooling water pipe, both ends of the cooling water pipe are connected with the water tank, that is, the cooling water pipe is configured in a U shape, and the cooling water pipe is sent into the pouring area, so that the cooling water pipe is located at one side of the delivery pipe, and then the concrete flowing in the delivery pipe can be circulated and cooled by using the circulating cold water in the cooling water pipe, so as to ensure the subsequent concrete forming quality.
Specifically, the both ends of U type condenser tube are connected with the water tank that is located the regional top of pouring, and U type condenser tube's bottom is located the regional bottom of pouring, and that is to say, condenser tube can carry out circulative cooling to the concrete of each region department of conveyer pipe, and then can guarantee the cooling effect.
In particular, the cooling water pipes are not removed from the casting area during the concrete casting, i.e. they remain in the formed concrete, so as to ensure uninterrupted circulation cooling throughout the concrete casting.
Specific example 1:
fig. 7 is a schematic flow chart of a deep foundation pit concrete pouring method according to an embodiment of the present invention, where the deep foundation pit concrete pouring method includes:
s702, installing a reinforcing template in a foundation pit, and welding guide rails along the periphery of the reinforcing template on site; go to steps 704 and 710;
s704, arranging a conveying arm and a winch of the pump truck;
s706, arranging a conveying pipe downwards by the winch;
s708, distributing the material along the No. 1 delivery pipe by the pump truck; go to step 712;
s710, welding a cooling water pipe; proceed to step 708;
s712, casting No. 1 with the height of 1 meter; proceed to steps 714 and 718;
s714, switching the No. 2 delivery pipe by the delivery arm of the pump truck;
s716, casting the No. 2 conveying pipe with the height of 1 meter; go to steps 720 and 724;
s718, the winch lifts the No. 1 conveying pipe (if the 1-joint conveying pipe is disassembled at the clamp position);
s720, switching a No. 3 delivery pipe by a delivery arm of the pump truck;
s722, pouring a No. 3 conveying pipe with the height of 1 meter; proceed to steps 726 and 728;
s724, lifting the No. 2 conveying pipe by the winch (if the No. 1 section conveying pipe is disassembled at the clamp position);
s726, the winch lifts the No. 3 conveying pipe (if the 1-joint conveying pipe is disassembled at the clamp position);
s728, switching a No. 4 delivery pipe by a delivery arm of the pump truck;
s730, pouring a No. 4 conveying pipe with the height of 1 meter; proceed to steps 732 and 734;
s732, detaching the 1-joint conveying pipe from the clamp;
s734, switching the No. 1 delivery pipe by the delivery arm of the pump truck;
s736, carrying out the next cycle;
and S738, pouring to the top of the foundation pit, finishing the next pouring process, and arranging a delivery pipe.
Specifically, the method comprises the following steps:
1. arranging and installing a reinforcing template in the deep foundation pit, pouring concrete in a cavity of the reinforcing template and a gap between the foundation pit and the reinforcing template structure, and reinforcing the integral structure of the foundation pit;
2. i-shaped steel guide rails are pre-installed in the cavity and the outer wall of the reinforced template, and multiple paths are uniformly arranged to provide a moving track for a subsequent pouring operation conveying pipe;
3. a winch and a bracket are arranged and installed at each path of the position of the multi-path I-shaped steel guide rail and used for supporting and lifting the conveying pipe;
4. arranging a conveying pipe downwards along the I-steel guide rail by using a winch and a sliding part at the position where the plurality of I-steel guide rails are arranged;
5. the multi-channel conveying pipe is sequentially and respectively lapped with the pump truck arm support for pouring, concrete is directly poured to the bottom of the foundation pit along the conveying pipe by the pump truck, after the conveying pipe is switched by the pump truck arm support, the poured conveying pipe is lifted upwards to a certain height along the I-shaped steel guide rail through the winch and the sliding part to wait for the next cycle, and in the pouring process, the conveying pipe is fixed through the fixing device which is of a quick-release structure and is convenient to operate. When the conveying pipe at the top of the foundation pit is lifted to the sliding part, one conveying pipe is disassembled, continuous and uniform pouring is sequentially and circularly performed along the multiple paths of concrete pouring pipelines, and the pipelines are completely disassembled simultaneously until the top end of the foundation pit is poured, and then the next pouring procedure is performed.
The concrete pouring method for the deep foundation pit has the following advantages that:
(1) the structure is simple and compact, the transverse occupied space is small, and the construction method is suitable for narrow construction space;
(2) self-compacting concrete is adopted, a pump truck is switched among a plurality of pipelines in a reciprocating way, pouring is carried out under pressure, the pouring process is continuous and reliable, and uniform pouring is carried out along the circumferential direction, so that the common concrete segregation phenomenon in the vertical pouring operation of a high-fall deep foundation pit is prevented;
(3) the rail-shaped multi-channel concrete is integrally and continuously poured, the continuity of concrete pouring can be ensured, the layering phenomenon of concrete segmental pouring is avoided, the reinforced template concrete pouring process is safe and reliable, multi-channel concrete pouring is realized, and the pouring efficiency is high
(4) The concrete monitoring camera device is added to replace manual underground foundation pit observation for concrete pouring, real-time observation can be achieved, pouring quality is guaranteed, on the other hand, operators dismantle pipelines at the top, operation under the foundation pit is also replaced, and operation is safe and reliable.
Specific example 2:
as shown in fig. 8 to 14, the concrete casting process is as follows:
1. as shown in fig. 8, 9 and 10, the reinforcing template 300 is vertically installed inside the foundation pit 500, and the reinforcing template 300 is integrally installed;
2. as shown in fig. 11, 12, 13 and 14, a plurality of first guide rails 172 (formed by sequentially splicing a plurality of i-beams) and second i-beam guide rails 174 (formed by sequentially splicing a plurality of i-beams) are arranged along the circumferential direction of the outer wall of the inner cavity of the reinforced form 300, the first guide rails 172 are located in the first casting area 200, the second guide rails 174 are located in the second casting area 210, the first guide rails 172 and the second guide rails 174 are movable guide rails of the subsequent concrete delivery pipe 110, and meanwhile, a cooling water pipe 150 and a water tank 140 providing water cooling circulation are arranged in the first casting area 200 and the second casting area 210, two ends of the cooling water pipe 150 are connected with the water tank 140, the cooling water pipe 150 is located at one side of the delivery pipe 110, and the cooling water pipe 150 surrounds the delivery pipe 110;
3. the hoist 220, the fixing device 180 of the delivery pipe 110 and the bracket 190 are arranged along the circumferential direction of the top of the reinforced template 300;
4. the conveying pipes 110 are sequentially arranged downwards along the first guide rail 172 one section by one section until reaching the bottom of a foundation pit, when the first conveying pipe 110 is arranged downwards, a monitoring assembly 160 is installed and used for observing the concrete pouring quality in real time, the pipelines are connected through a sliding part 120 with a hoop, and the sliding part 120 can drive the conveying pipes 110 to move up and down along the first guide rail 172;
5. pouring concrete, preparing self-compacting concrete, connecting an arm support 400 of a pump truck with the top end of a conveying pipe 110, enabling the concrete to flow downwards along the conveying pipe 110, pouring a concrete area after a certain height is poured, switching the arm support 400 of the pump truck to a next pipeline to pour the concrete area, simultaneously lifting the poured conveying pipe 110 upwards by a winch 220, driving the conveying pipe 110 to move upwards by a sliding part 120 in the lifting process, sequentially pouring until the conveying pipe 110 in the circumferential direction of a foundation pit 500 is completely poured once, completing one cycle of pouring and pipeline lifting, and entering a second cycle of pouring; when the top of the conveying pipe 110 reaches the pipeline connecting part sliding part 120, an operator detaches the fixing device 180 at the top to detach the pipeline, when the pipeline is poured to the top end of the foundation pit 500, the pipeline is detached at the same time, and the pouring process can be monitored in real time at the top of the foundation pit 500 through the monitoring assembly 160;
6. turning to the next procedure for pouring.
Specifically, as shown in fig. 10, the first casting area 200 is a casting concrete area in the reinforcing cavity of the reinforcing template 300, the second casting area 210 is a reinforcing concrete filling area in a gap between the outer wall of the reinforcing template 300 and the foundation pit wall of the foundation pit 500, and a gap between the two reserved casting areas is small.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A deep foundation pit concrete pouring method for a concrete pouring apparatus including a conveying pipe, the deep foundation pit concrete pouring method comprising:
installing a reinforcing template in a channel to be grouted, and dividing a pouring area according to the channel to be grouted and the reinforcing template;
a plurality of conveying pipes are installed in the pouring area at intervals along the circumferential direction of the reinforcing template;
controlling the conveying pipes to pour concrete in sequence to form a concrete layer;
and pouring the concrete layer by layer until the grouting height of the channel to be grouted is reached.
2. The deep foundation pit concrete pouring method according to claim 1, wherein the step of controlling the plurality of conveying pipes to pour concrete in sequence to form a concrete layer specifically comprises the following steps:
controlling the heights of the concrete poured in sequence by the delivery pipes to be the same; or
Controlling the amount of concrete poured in the conveying pipes in sequence to be the same; or
And controlling the concrete poured by the conveying pipes in sequence to have the same time.
3. The deep foundation pit concrete pouring method according to claim 1, wherein the concrete pouring apparatus further includes a slider and a driving member, the slider being connected with the driving member and the delivery pipe, the deep foundation pit concrete pouring method further comprising:
after the conveying arm based on the pump truck is switched from one conveying pipe to another conveying pipe, the driving piece is controlled to drive the sliding piece to drive the conveying pipe to move upwards to a target position.
4. The deep foundation pit concrete pouring method according to claim 3, wherein the conveying pipe comprises a plurality of sub-conveying pipes connected end to end in sequence, and the deep foundation pit concrete pouring method further comprises:
and based on the distance of the upward movement of the conveying pipe reaching the length of the sub-conveying pipe, the sub-conveying pipe positioned on the uppermost layer is disassembled.
5. The deep foundation pit concrete casting method according to claim 3, wherein the step of installing the plurality of the delivery pipes is preceded by:
and controlling the driving piece to drive the sliding piece to drive the conveying pipe to move downwards to the installation position.
6. The deep foundation pit concrete casting method according to any one of claims 1 to 5, wherein the concrete casting equipment further comprises a water tank and a cooling water pipe, both ends of the cooling water pipe are connected to the water tank, and after the step of installing the plurality of the delivery pipes, further comprising:
and installing the cooling water pipe and the water tank so that the cooling water pipe is positioned on one side of the delivery pipe.
7. The deep foundation pit concrete casting method according to any one of claims 1 to 5, wherein the concrete casting apparatus further includes a monitoring assembly, and prior to the step of installing the plurality of the delivery pipes, further includes:
and installing the monitoring assembly at the discharge outlet of the conveying pipe, and collecting concrete pouring images through the monitoring assembly.
8. The deep foundation pit concrete casting method according to any one of claims 3 to 5, wherein the concrete casting apparatus further includes a guide rail to which the slider is slidably connected, and prior to the step of installing the plurality of the conveying pipes, further includes:
and welding the guide rail and the reinforcing template.
9. The deep foundation pit concrete casting method according to any one of claims 1 to 5,
the reinforced form is configured with a first casting area;
and a second pouring area is formed between the channel to be grouted and the reinforced template.
10. The deep foundation pit concrete casting method according to any one of claims 1 to 5,
the layer heights of the two adjacent concrete layers are equal or unequal.
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