CN112627858A - Method for processing grouting sleeve for station passage - Google Patents
Method for processing grouting sleeve for station passage Download PDFInfo
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- CN112627858A CN112627858A CN202011432557.4A CN202011432557A CN112627858A CN 112627858 A CN112627858 A CN 112627858A CN 202011432557 A CN202011432557 A CN 202011432557A CN 112627858 A CN112627858 A CN 112627858A
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- grouting sleeve
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000012545 processing Methods 0.000 title claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 54
- 239000002002 slurry Substances 0.000 claims abstract description 8
- 238000007711 solidification Methods 0.000 claims abstract description 4
- 230000008023 solidification Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 21
- 238000005520 cutting process Methods 0.000 claims description 15
- 239000011440 grout Substances 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 8
- 238000007569 slipcasting Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a method for processing a grouting sleeve for a station channel, which comprises the following steps: s1, removing a slurry solidification object at least in one end of the grouting sleeve positioned in the station channel; s2, arranging a groove surrounding the grouting sleeve on the inner surface of the station channel; s3, removing the part of the grouting sleeve extending out of the bottom wall of the groove; and S4, filling cement in the groove, and enabling the cement to be flush with the inner surface of the station channel. According to the treatment method of the grouting sleeve for the station channel, disclosed by the invention, through the steps S1-S4, cement can cover the grouting sleeve, so that the grouting sleeve is prevented from being rusted due to exposure, and the service life of the station channel such as a tunnel can be effectively ensured. Moreover, since the cement is flush with the inner surface of the station passage, the aesthetic appearance of the station passage such as a tunnel can be improved.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a method for processing a grouting sleeve for a station channel.
Background
In order to solve the problems of fire prevention, drainage, evacuation and the like of the tunnels, a communication channel for communicating the two tunnels is usually arranged between the two tunnels according to a certain distance. In the related technology, exposed grouting sleeves are arranged on part of the connecting channel pipe sheets so as to be used for carrying out stratum permeation grouting reinforcement before excavation. However, after the construction of the communication channel is completed, the grouting sleeve can be corroded after being exposed for a long time, so that the service life of the tunnel is affected.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide a method for treating a grouting sleeve for a station passage, which can prevent the grouting sleeve from being corroded due to exposure, thereby improving the service life of the station passage such as a tunnel.
According to the processing method of the grouting sleeve for the station channel, which is provided by the embodiment of the invention, the grouting sleeve is arranged on the station channel in a penetrating manner, and the processing method comprises the following steps: s1, removing a slurry solidification object at least in one end of the grouting sleeve positioned in the station channel; s2, arranging a groove surrounding the grouting sleeve on the inner surface of the station channel; s3, removing the part of the grouting sleeve extending out of the bottom wall of the groove; and S4, filling cement in the groove, and enabling the cement to be flush with the inner surface of the station channel.
According to the method for processing the grouting sleeve for the station channel, disclosed by the embodiment of the invention, through the steps S1-S4, cement can cover the grouting sleeve, so that the grouting sleeve is prevented from being rusted due to exposure, and the service life of the station channel such as a tunnel can be effectively ensured. Moreover, since the cement is flush with the inner surface of the station passage, the aesthetic appearance of the station passage such as a tunnel can be improved.
According to some embodiments of the invention, after removing grout concretions in the grouting sleeve at least in one end of the station passage, a minimum distance h between remaining grout concretions in the grouting sleeve and an inner surface of the station passage1H is said1Satisfies the following conditions: h is less than or equal to 10cm1≤15cm。
According to some embodiments of the invention, one end of the groove adjacent to the inner surface of the station passage has a smaller cross-sectional area than the other end of the groove.
According to some embodiments of the invention, an included angle between a normal line at a junction of an inner surface of the station passage and a side wall of the groove and the side wall of the groove is α, where α satisfies: alpha is more than or equal to 3 degrees and less than or equal to 5 degrees.
According to some embodiments of the invention, the groove is located at an upper portion of the station aisle.
According to some embodiments of the present invention, the cross-sectional shape of the groove is rectangular, the length of the groove on the inner surface of the station passage is L, the width of the groove on the inner surface of the station passage is W, wherein L, W respectively satisfy: l is more than or equal to 15cm and less than or equal to 25cm, and W is more than or equal to 15cm and less than or equal to 25 cm.
According to some embodiments of the invention, the depth of the groove is h2Wherein, the h2Satisfies the following conditions: h is not less than 5cm2≤8cm。
According to some embodiments of the present invention, step S2 specifically includes: s21, arranging a cutting groove surrounding the periphery of the grouting sleeve on the inner surface of the station channel, wherein the cutting groove and the periphery of the grouting sleeve are spaced from each other; s22, removing the part of the station channel between the grouting sleeve and the cutting groove and enabling the outer peripheral surface of the grouting sleeve to be communicated with the cutting groove to form the groove.
According to some embodiments of the present invention, in step S22, a portion of the station passage between the grouting sleeve and the cutting groove is removed from the inside to the outside in a radial direction of the grouting sleeve.
According to some embodiments of the invention, before step S4, the method further includes: and filling sleeve fillers in the grouting sleeve.
According to some embodiments of the invention, after the step S4, the method further includes: attaching a maintenance film on the inner surface of the station passage, so that the maintenance film completely covers the cement; and after the cement is hardened, removing the curing film.
According to some embodiments of the present invention, the station passage includes two tunnels communicating with each other through at least one communication passage, and the groove is formed on an inner surface of at least one of the tunnels adjacent to the communication passage.
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 of a processing method of a grouting sleeve for a station passage according to an embodiment of the present invention;
fig. 2 is another flow chart illustrating a method of processing a grouting sleeve for a station passage according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a grouting sleeve protruding groove structure according to an embodiment of the invention;
FIG. 4 is a schematic structural view of the grouting sleeve and the groove after removing a portion of the grouting sleeve protruding out of the bottom wall of the groove;
FIG. 5 is a schematic structural view of a grouting sleeve and a groove after filling a sleeve filler in the grouting sleeve;
fig. 6 is a schematic structural view of a station passage according to an embodiment of the present invention.
Reference numerals:
100: a station passage;
1: a duct piece; 11: a groove; 2: grouting the sleeve;
21: a sleeve filler; 3: a tunnel;
4: a communication channel; 41: and (4) opening.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
A method of processing the grouting sleeve 2 for the station passage 100 according to the embodiment of the present invention will be described with reference to fig. 1 to 6. The treatment method can be used for treating the exposed grouting sleeve 2 at the communication channel 4 of the tunnel 3. In the following description of the present application, the treatment method is described as an example for the treatment of the exposed grouting sleeve 2 at the communication channel 4 of the tunnel 3.
As shown in fig. 1, the method for processing the grouting sleeve 2 for the station passage 100 according to the embodiment of the present invention includes the steps of:
and S1, removing the slurry concretion in at least one end of the grouting sleeve 2 positioned in the station channel 100.
For example, with reference to fig. 3 and 6, a grouting sleeve 2 may be inserted through the segment 1 of the communication channel 4 for formation consolidation and penetration grouting. Wherein the tube sheet 1 of the communication channel 4 can be located in the tunnel 3. In this step, the constructor can perform construction in the tunnel 3, chisels off the grout concretion in the end of the grouting sleeve 2 located in the tunnel 3 by a tool, and makes the surface of the remaining grout concretion in the grouting sleeve 2 as flat as possible.
S2, referring to fig. 3 to 5, a groove 11 surrounding the grouting sleeve 2 is provided on the inner surface of the station passage 100. The grouting sleeve 2 now extends beyond the bottom wall of the recess 11.
S3, referring to fig. 4, a portion of the grouting sleeve 2 protruding out of the bottom wall of the groove 11 is removed. Thus, since the grout concretion in the end of the grouting sleeve 2 located in the station passage 100 has been removed in step S1, only the outer shell portion of the grouting sleeve 2 needs to be removed in this step, and the operation is convenient.
For example, in this step, the part of the grouting sleeve 2 extending beyond the bottom wall of the groove 11 may be first cut into sub-parts in the axial direction, and then the sub-parts may be cut in the radial direction of the grouting sleeve 2 with the cut being as free from curling as possible, so as to facilitate the filling of the groove 11 with cement. Thus, the operation is more convenient, and the interference of the operation tool with the inner wall of the groove 11 can be avoided, so that the construction efficiency can be improved. In the description of the present invention, "a plurality" means two or more.
Note that, in the above step S3, the structure of the grouting sleeve 2 protruding out of the bottom wall of the groove 11 may be completely removed, and at this time, the end of the grouting sleeve 2 adjacent to the inner surface of the station passage 100 such as the tunnel 3 may be flush with the bottom wall of the groove 11 or on the side of the bottom wall of the groove 11 away from the inner surface of the station passage 100; alternatively, a part of the structure of the grouting sleeve 2 protruding out of the bottom wall of the groove 11 may be eliminated, and the end of the grouting sleeve 2 adjacent to the inner surface of the station passage 100 may be located in the groove 11.
S4, filling cement in the groove 11 and making the cement flush with the inner surface of the station passage 100. Therefore, through the steps S4 and S5, one end of the grouting sleeve 2, which is close to the inner surface of the station channel 100, can be hidden at one side of cement, which is far away from the inner surface of the station channel 100, so that the problem that the grouting sleeve 2 is exposed can be effectively solved, the grouting sleeve 2 can be prevented from being rusted, and the service life of the station channel such as the tunnel 3 is ensured. Also, by making the cement flush with the inner surface of the station passage 100, the aesthetic appearance of the station passage such as the tunnel 3 can be effectively ensured. In addition, when the cement is cured, it may be formed as a filling block firmly integrated with the station passage 100, and may ensure the integrity of the station passage 100. Of course, the recess 11 may be filled with other repairing materials such as concrete, and the present invention is not limited thereto.
According to the method for processing the grouting sleeve 2 for the station passage 100, cement can cover the grouting sleeve 2 through the steps S1-S4, corrosion of the grouting sleeve 2 due to exposure is avoided, and therefore the service life of the station passage such as the tunnel 3 can be effectively guaranteed. Also, since the cement is flush with the inner surface of the station way 100, the aesthetic appearance of the station way such as the tunnel 3 can be improved.
In some embodiments of the invention, after removal of grout concretions in the grouting sleeve 2 at least in one end of the station passage 100, the minimum distance between the remaining grout concretions in the grouting sleeve 2 and the inner surface of the station passage 100 is h1，h1Satisfies the following conditions: h is less than or equal to 10cm1≤15cm。
Specifically, for example, when h1If the distance between the residual grout concretions in the grouting sleeve 2 and the inner surface of the station channel 100 (such as the inner surface of the segment 1 of the communication channel 4 positioned in the tunnel 3) is too small, namely, the removed grout concretions are too small, the residual grout concretions in the grouting sleeve 2 may extend out of the bottom wall of the groove 11, and when the part of the grouting sleeve 2 extending out of the bottom wall of the groove 11 is removed, the operation difficulty is high, so that the construction efficiency may be reduced; when h is generated1Above 15cm, the minimum distance between the remaining grout concretions in the grouting sleeve 2 and the inner surface of the station passage 100 is too large, i.e., the remaining grout concretions in the grouting sleeve 2 are too small, and thus the structural strength of the station passage 100 may be reduced. Thereby, by making h1Satisfies the following conditions: h is less than or equal to 10cm1Less than or equal to 15cm, the minimum distance between the remaining thick liquid concretion thing in the slip casting sleeve 2 and the internal surface of station passageway 100 is more reasonable, when guaranteeing that station passageway 100 has higher structural strength, can reduce the processing degree of difficulty of the part of the diapire that stretches out recess 11 of getting rid of slip casting sleeve 2 to can effectively improve the efficiency of construction.
In some embodiments of the present invention, referring to fig. 3 to 5, one end of the groove 11 adjacent to the inner surface of the station aisle 100 (i.e., the open end of the groove 11) has a smaller cross-sectional area than the other end of the groove 11 (i.e., the bottom end of the groove 11). For example, in the example of fig. 3-5, the cross-sectional area of the groove 11 gradually increases in a direction away from the inner surface of the segment 1, and the groove 11 is formed in a wedge shape, so that cement in the groove 11 can be firmly stuck to the lining of the segment 1 when the groove 11 is located at the upper portion of the tunnel 3.
From this, because the shape of the cement of filling in recess 11 can with the shape looks adaptation of recess 11, cement in recess 11 solidifies the back, the cross-sectional area of the one end of the adjacent station passageway 100's of cement one end is less than the cross-sectional area of the other end of cement, when recess 11 is located the upper portion of station passageway 100, can avoid cement to break away from the cooperation with recess 11 under the effect of the wind load when the train goes, vibration load and self gravity, thereby can avoid the cement in the recess 11 to drop to train or track on, the life of the cement in the recess 11 has effectively been prolonged, and can improve station passageway 100 for example the security of pedestrian and vehicle in the tunnel 3.
In some embodiments of the present invention, an included angle between a normal line where the inner surface of the station passage 100 meets the side wall of the groove 11 and the side wall of the groove 11 is α, where α satisfies: alpha is more than or equal to 3 degrees and less than or equal to 5 degrees. For example, during machining, a cutter such as a concrete cutter can be used to cut a groove in the segment 1, and the included angle between the cutting blade of the concrete cutter and the tangent plane of the corresponding part of the inner surface of the segment 1 is 85 to 87 degrees (including endpoint values). For convenience of description, the "normal line where the inner surface of the station passage 100 meets the side wall of the groove 11" will be referred to as "meeting normal line" hereinafter.
When the groove 11 includes a plurality of sidewalls, at least one sidewall has an angle α with the corresponding normal line, and the groove 11 may be formed in a frustum structure. When the angle alpha is less than 3 degrees, the included angle between the side wall of the groove 11 and the corresponding connecting normal is too small, the inner surface of the station channel 100 is approximately vertical to the side wall of the groove 11, and when the groove 11 is positioned at the upper part of the station channel 100, cement in the groove 11 easily falls off under the action of force; when alpha is more than 5 degrees, the included angle between the side wall of the groove 11 and the corresponding connecting normal is too large, and the processing difficulty is higher.
Thus, by making α satisfy: alpha is more than or equal to 3 degrees and less than or equal to 5 degrees, and the cross section area of the groove 11 can be gradually increased along the direction far away from the inner surface of the station passage 100, so that on one hand, when the groove 11 is positioned at the upper part of the station passage 100, the cement in the groove 11 can be prevented from falling onto a train or a track, and the service life of the cement in the groove 11 is prolonged; on the other hand, the recess 11 that so sets up can effectively reduce the processing degree of difficulty, improves the efficiency of construction.
In some alternative embodiments of the present invention, referring to fig. 4 and 5, the cross-sectional shape of the groove 11 may be a rectangle, the length of the groove 11 on the inner surface of the station aisle 100 is L, and the width of the groove 11 on the inner surface of the station aisle 100 is W, wherein L, W respectively satisfies: l is more than or equal to 15cm and less than or equal to 25cm, and W is more than or equal to 15cm and less than or equal to 25 cm. Thus, L, W satisfy: l is more than or equal to 15cm and less than or equal to 25cm, W is more than or equal to 15cm and less than or equal to 25cm, the size of the groove 11 on the inner surface of the station channel 100 is reasonable, the structural strength of the station channel 100 can be prevented from being influenced, and the processing is convenient. Moreover, the cement can effectively cover the grouting sleeve 2 after the cement is filled, so that the phenomenon that the service life of the station passage 100 such as the tunnel 3 is affected due to the exposure of the grouting sleeve 2 is avoided.
Of course, the length and width of the groove 11 on the inner surface of the station passage 100 are not limited thereto. For example, when the distance between the plurality of grouting sleeves 2 is short, the length and width of the groove 11 on the inner surface of the station passage 100 may be increased accordingly so that the groove 11 may surround the plurality of grouting sleeves 2 at the short distance, or when cutting the groove 11 to cut an obstacle such as a reinforcing bar, the length and width of the groove 11 on the inner surface of the station passage 100 may be increased or decreased accordingly to be offset from the obstacle. It will be understood that the length and width of the groove 11 on the inner surface of the station aisle 100 may be specifically determined according to practical requirements to better meet practical applications.
In some alternative embodiments of the invention, the depth h of the groove 11 is2Wherein h is2Satisfies the following conditions: h is not less than 5cm2Less than or equal to 8 cm. Specifically, for example, when h2When the depth of the groove 11 is less than 5cm, the depth of the groove 11 is too small, so that the thickness of cement in the groove 11 is too small, the firmness is poor, and the cement is easily damaged; when h is generated2Above 8cm, the depth of the groove 11 is too large, and thus the structural strength of the station passage 100 may be reduced. Thereby, by making h2Satisfies the following conditions: h is not less than 5cm2Less than or equal to 8cm, the depth of the groove 11 is reasonable, the station passage 100 is guaranteed to have higher structural strength, and meanwhile the integrity and the firmness of cement in the groove 11 can be improved, so that the service life of the cement can be prolonged.
In some embodiments of the present invention, with reference to fig. 2, step S2 specifically includes:
s21, a cut groove is provided on the inner surface of the station passage 100 so as to surround the outer circumferential side of the grouting sleeve 2, the cut groove and the outer circumferential surface of the grouting sleeve 2 being spaced apart from each other. For example, in step S21, the segment 1 of the communication passage 4 may be cut by a concrete cutter to form the above-described cut groove on the segment 1 of the communication passage 4.
S22, removing a portion of the station passage 100 between the grouting sleeve 2 and the cut groove and communicating the outer circumferential surface of the grouting sleeve 2 with the cut groove to constitute the groove 11. For example, in this step, the concrete of segment 1 of communication channel 4 between the cutting groove and grouting sleeve 2 can be chiseled off by means of an electric pick.
Therefore, through the steps S21 and S22, the cut groove can be firstly machined on the inner surface of the station passage 100, and then the groove 11 is formed by removing the part between the cut groove and the grouting sleeve 2, so that compared with the method of directly machining the groove 11 on the inner surface of the station passage 100, the machining difficulty can be effectively reduced, and the construction efficiency can be improved.
In a further embodiment of the present invention, in step S22, a portion of the station passage 100 between the grouting sleeve 2 and the cutting groove is removed from the inside to the outside in the radial direction of the grouting sleeve 2. Therefore, through the arrangement, the groove 11 is formed, and meanwhile, the complete concrete of a cutting seam outside the groove 11 can be prevented from being damaged, so that the structural strength and the appearance attractiveness of the station passage 100 can be ensured. Here, it should be noted that the direction "in" is understood as a direction toward the center of the grouting sleeve 2 in the radial direction of the grouting sleeve 2, and the opposite direction is defined as "out", i.e., a direction away from the center of the grouting sleeve 2 in the radial direction of the grouting sleeve 2.
In a further embodiment of the present invention, referring to fig. 5, before step S4, the method further includes: the grouting sleeve 2 is filled with a sleeve filler 21. For example, the depth of the groove 11 can be smaller than the distance between the remaining slurry concretions in the grouting sleeve 2 and the inner surface of the segment 1 of the communication channel 4, and after removing the part of the grouting sleeve 2 protruding the bottom wall of the groove 11, the remaining slurry concretions in the grouting sleeve 2 have a certain distance from the bottom wall of the groove 11, i.e. the grouting sleeve 2 has a hollow part. From this, through above-mentioned step S4, can fill slip casting sleeve 2, make the sleeve filler 21 in the slip casting sleeve 2 can with the tip parallel and level of slip casting sleeve 2, be favorable to filling cement in recess 11, and sleeve filler 21 can play better supporting role to slip casting sleeve 2 to can effectively improve slip casting sleeve 2' S structural strength. Alternatively, the sleeve filler 21 may be quick setting cement, so that it can be quickly set, thereby improving construction efficiency, and has high strength. But is not limited thereto.
In some optional embodiments of the present invention, before filling the sleeve filler 21 in the grouting sleeve 2, the following may be further included: and (3) grinding the consolidated slurry on the periphery of the groove 11 on the inner surface of the station channel 100, so that after the groove 11 is filled with cement, the troweling of the position near the groove 11 is facilitated, and the cement can be flush with the inner surface of the station channel 100.
In some optional embodiments of the present invention, before step S4, the method may further include: the grooves 11 are wetted with water by brush dipping. So set up, can avoid filling the moisture in the lateral wall absorption cement of cement back recess 11 to can guarantee the structural strength and the stability of cement, prolong the life of cement.
In some embodiments of the present invention, after step S4, the method further includes:
a maintenance film is attached to an inner surface of the station passage 100 such that the maintenance film completely covers the cement. For example, the curing film may be a plastic wrap. But is not limited thereto.
After the cement is hardened, the curing film is removed. Wherein, the curing time can be more than or equal to 24 hours so as to ensure better curing effect. But is not limited thereto.
Therefore, through the steps, the cement can be well maintained, the water evaporation caused by heat released by cement solidification is avoided, the structural strength of the cement can be improved, and the conditions of cracking and the like after the cement is hardened are avoided.
In some embodiments of the present invention, in conjunction with fig. 6, the station passageway 100 includes two tunnels 3, the two tunnels 3 communicating with each other through at least one communication passageway 4, and the groove 11 is formed on the inner surface of at least one tunnel 3 adjacent to the communication passageway 4. For example, in the example of fig. 6, the both ends of the communication channel 4 have the openings 41, respectively, and the groove 11 may be formed near the openings 41, for example, the distance between the groove 11 and the edge of the opening 41 of the adjacent communication channel 4 may be 0 to 10m (inclusive), when the groove 11 is located on the tube sheet 1 of the communication channel 4. From this, through making recess 11 form on the internal surface of the neighbouring contact passageway 4 of tunnel 3, can avoid contact passageway 4's slip casting sleeve 2 to produce the corrosion owing to exposing after recess 11 intussuseption cement to can effectively guarantee tunnel 3's life.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. A processing method of a grouting sleeve for a station channel is characterized in that the grouting sleeve is arranged on the station channel in a penetrating mode, and the processing method comprises the following steps:
s1, removing a slurry solidification object at least in one end of the grouting sleeve positioned in the station channel;
s2, arranging a groove surrounding the grouting sleeve on the inner surface of the station channel;
s3, removing the part of the grouting sleeve extending out of the bottom wall of the groove;
and S4, filling cement in the groove, and enabling the cement to be flush with the inner surface of the station channel.
2. The method for handling grouting sleeves for station passages as claimed in claim 1, characterised in that after the removal of the grout concretions inside the grouting sleeve at least in one end inside the station passage,
the minimum distance between the residual slurry concretion in the grouting sleeve and the inner surface of the station channel is h1H is said1Satisfies the following conditions: h is less than or equal to 10cm1≤15cm。
3. The method for handling a grouting sleeve for a station passage as claimed in claim 1, wherein the cross-sectional area of one end of the groove adjacent to the inner surface of the station passage is smaller than the cross-sectional area of the other end of the groove.
4. The method for processing the grouting sleeve for the station passage as claimed in claim 3, wherein an angle between a normal line at the junction of the inner surface of the station passage and the side wall of the groove is α, where α satisfies: alpha is more than or equal to 3 degrees and less than or equal to 5 degrees.
5. The method for handling grouting sleeves for station passages as claimed in claim 3, characterized in that said groove is located in the upper part of the station passage.
6. The method for handling the grouting sleeve for a station passage as claimed in claim 1, wherein the cross-sectional shape of the groove is rectangular, the length of the groove on the inner surface of the station passage is L, the width of the groove on the inner surface of the station passage is W, wherein L, W respectively satisfy: l is more than or equal to 15cm and less than or equal to 25cm, and W is more than or equal to 15cm and less than or equal to 25 cm.
7. Method for handling grouting sleeves for station passages as claimed in claim 1, characterised in that said grooves have a depth h2Wherein, the h2Satisfies the following conditions: h is not less than 5cm2≤8cm。
8. The method for processing the grouting sleeve for the station passage as claimed in any one of claims 1 to 7, wherein step S2 specifically includes:
s21, arranging a cutting groove surrounding the periphery of the grouting sleeve on the inner surface of the station channel, wherein the cutting groove and the periphery of the grouting sleeve are spaced from each other;
s22, removing the part of the station channel between the grouting sleeve and the cutting groove and enabling the outer peripheral surface of the grouting sleeve to be communicated with the cutting groove to form the groove.
9. The method for handling a grouting sleeve for a station passage as claimed in claim 8, wherein in step S22, the portion of the station passage between the grouting sleeve and the cutting groove is removed from the inside out in the radial direction of the grouting sleeve.
10. The method for processing the grouting sleeve for the station passage as claimed in any one of claims 1 to 7, wherein before step S4, the method further comprises:
and filling sleeve fillers in the grouting sleeve.
11. The method for processing the grouting sleeve for the station passage as claimed in any one of claims 1 to 7, wherein after the step S4, the method further comprises:
attaching a maintenance film on the inner surface of the station passage, so that the maintenance film completely covers the cement;
and after the cement is hardened, removing the curing film.
12. The method for handling a grouting sleeve for a station passage as claimed in any one of claims 1 to 7, characterized in that the station passage comprises two tunnels communicating between them through at least one communication channel, the grooves being formed on the inner surface of at least one tunnel adjacent to the communication channel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011432557.4A CN112627858A (en) | 2020-12-09 | 2020-12-09 | Method for processing grouting sleeve for station passage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011432557.4A CN112627858A (en) | 2020-12-09 | 2020-12-09 | Method for processing grouting sleeve for station passage |
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| CN112627858A true CN112627858A (en) | 2021-04-09 |
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| KR101675752B1 (en) * | 2016-06-20 | 2016-11-14 | 정용태 | Injection device and construction method of expanding steel pipe type rock bolt |
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| CN109723466A (en) * | 2018-12-10 | 2019-05-07 | 中交一公局桥隧工程有限公司 | Tunnel primary support seepage grouting treatment construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101677017B1 (en) * | 2016-02-16 | 2016-11-18 | 신원특수건설(주) | construction methods of close-twin tunnel using tube hollow |
| KR101675752B1 (en) * | 2016-06-20 | 2016-11-14 | 정용태 | Injection device and construction method of expanding steel pipe type rock bolt |
| CN109723466A (en) * | 2018-12-10 | 2019-05-07 | 中交一公局桥隧工程有限公司 | Tunnel primary support seepage grouting treatment construction method |
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Application publication date: 20210409 |