A kind of mechanical slotting method in railway slope protection construction
Technical field
The present invention relates to construction of railways technical fields, and in particular to a kind of mechanical slotting side in railway slope protection construction
Method.
Background technique
Railway is the track circuit for the dedicated traveling of the vehicles such as train, with the development of national economy, the iron in China
Road cause is also quickly grown nearly ten years, and railway operation total kilometrage is more than 100,000 kilometers.Currently, railway and infrastructure are states
The major fields of family's investment, in the process of construction of railway, a good protective slope structure is guarantee train safe operation one
A key factor.
And one of link is to dig out foundation trench on slope protection using digging machine during slope protection construction, construction method is at present
Directly excavate soil along lime line using digging machine, but due to arch skeleton be it is curved, corresponding lime line be also into it is curved,
And the bucket of common digging machine can not be bonded curved lime line completely and accurately dig out foundation trench, this form of construction work for digging foundation trench is not
Only time-consuming, difficulty is big, low efficiency, and the foundation trench dug out is irregular, and the soil at foundation trench edge is easy to loosen, so that entire base
The quality of slot is very low.
Summary of the invention
For the defects in the prior art, the present invention provides a kind of mechanical slotting method in railway slope protection construction,
To use completely new foundation trench forming method, drill bit being dug using milling and is constructed, foundation trench molding is fast, and difficulty is small, substantially increases foundation trench and applies
The efficiency of work improves the structural strength of slope protection, reduces a possibility that accidents such as landslide, avalanche, deformation occur, and improves safety system
Number.
The present invention provides a kind of mechanical slotting method in railway slope protection construction, S1: slope surface finishing is carried out;Pass through
Total station measures the position of platform line of the bench crest of the side slope of roadbed side, the leg wire of slope of side slope and side slope;
S2: hanging wire setting-out is carried out;The beginning and end side line of skeleton and the fringing of bottom and top are released in side slope
Line, and side line and lacing thread are marked;
S3: foundation trench excavates;The foundation trench of placement skeleton is dug out by milling digging machine tool;
S4: foundation trench finishing;Foundation trench is tamped by ballast consolidating machine;
S5: foundation trench is checked and accepted;It carries out an acceptance inspection according to foundation trench acceptance criteria;
S6: skeleton installation;Skeleton is mounted in foundation trench, and passes through double faced adhesive tape paper stuff up a crack;
S7: installation tapping pipe;The more tapping pipes tilted down are installed in side slope;
S8: casting concrete;Coagulation is poured between the main framing and arch skeleton, and arch skeleton and arch skeleton of skeleton
Soil, and poured from slope foot to top of the slope;
S9: step is checked and accepted in setting;In arch skeleton and encircle the examination step for being arranged between skeleton and extending from slope foot to top of the slope;
S10: expansion joint setting;After equal concrete final set, it is arranged along roadbed direction and a plurality of extends from slope foot to top of the slope
Expansion joint.
Preferably, S11: side slope progress is smooth, clean surface dust with water and fills up the recessed artificial treatment in hole, and is tamped with ballast consolidating machine
Slope surface.The soil layer of side slope is reinforced, and being largely lost for Soil Slope is avoided.
Preferably, S21: the side line and lacing thread of main framing are released, and releases the side line and lacing thread of arch skeleton.
Main framing is rectangle, and multiple arch skeletons are installed inside each main framing, and the material of main framing and arch skeleton selects alloy
Steel greatly improves the overall structural strength of slope protection.
Preferably, all side line and lacing thread S22: are indicated using lime.Avoid to basis excavation occur compared with
Big error influences the installation of skeleton.
Preferably, S31: milling digging machine tool carries out foundation trench excavation using digging drill bit is milled, and cooperates artificial progress foundation trench excavation;
S311: milling digging machine tool is drilled out by milling digging drill bit along the side line and lacing thread that denote lime multiple adjacent
The datum hole of designated depth;
S312: each adjacent two datum hole is not overlapped or partly overlaps;
S313: all datum holes are successively connected to the profile to form foundation trench by milling digging drill bit again;
S314: drill bit is dug finally by milling and excavates the formation foundation trench of the soil within profile.
Construction for foundation trench is currently directly to excavate soil along lime line using digging machine, but since arch skeleton is curved
Bent, then lime line is also into curved, and the bucket of common digging machine can not be bonded curved lime line completely and accurately dig out
Foundation trench, not only time-consuming for this form of construction work for digging foundation trench, difficulty is big, low efficiency, but also the foundation trench dug out is irregular, foundation trench side
The soil of edge is easy to loosen, so that the quality of entire foundation trench is very low.And milling digging machine tool adapted milling is selected to dig drill bit, using first beating
Datum hole is connected to the profile to form foundation trench by datum hole again, finally excavates the construction method that the soil within profile forms foundation trench, foundation trench
Molding is fast, and difficulty is small, substantially increases the efficiency of construction of foundation ditch.Meanwhile foundation trench side slope soil disturbance is dug out by this method
It is small, size is accurate for fluting, line style is smooth.Cooperate artificial progress foundation trench excavation again, avoids the occurrence of the case where backbreaking.
Preferably, ballast consolidating machine tamps foundation trench using tamper.Ballast consolidating machine adapted tamper, guarantee foundation trench with
Skeleton adaptation, improves installation accuracy.Meanwhile effectivelying prevent side slope differential settlement, it is ensured that roadbed overall stability.
Preferably, expansion joint S101: is set at 15-20m or stratum significant change along roadbed direction.
Preferably, the width at expansion joint is 2.5-3.5cm, and depth is not less than 0.2m;Expansion joint internal plug fills out pitch and fried dough twist
Reinforcing bar.
Preferably, S81: after waiting concrete final set, the soil encircleed on the inside of skeleton is tamped, then uses six rib block bases
The inside of arch skeleton is filled up at bottom.
Preferably, " "-" type " positioning tool is installed in the inside of arch skeleton, for fixing six rib block substrates." "-" type "
Positioning tool makes six rib block substrates that installation be accurately positioned, and ensure that the stability of six rib block substrates.
The beneficial effects of the present invention are embodied in:
1. being tamped by ballast consolidating machine to slope surface and foundation trench, the stability of roadbed soil layer is greatly improved, side slope is avoided
Penetrated by rainwash and rainwater occur being largely lost of Soil Slope, come down, avalanche situations such as.
2. digging out foundation trench using milling digging machine tool, side slope soil disturbance is small, fluting size is accurate, is conducive to improve later period bone
The accuracy of frame installation, the fixation of skeleton are more stable.
3. sealing the side of skeleton using double faced adhesive tape paper, concrete is avoided to leak out the whole matter of influence construction from foundation trench
Amount, it is ensured that seam not spillage.Sealing improves the closure of skeleton simultaneously, also prevents surface water and easily penetrate into slope surface soil layer making side
The case where slope soil expansion deforms.
4. carrying out check of foundation subsoil by technical staff after the completion of foundation trench excavation, self-test qualification report on-site supervision engineer checks and accepts visa.
Artificial check of foundation subsoil step is added, the supervision to construction quality is improved, is conducive to improve total quality.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural schematic diagram of the present embodiment;
Fig. 2 is that the present embodiment hogging skeleton installs the structural schematic diagram after " "-" type " positioning tool and six rib block substrates;
Fig. 3 is the structural schematic diagram of " "-" type " positioning tool in the present embodiment;
Fig. 4 is the bottom view of Fig. 3;
Fig. 5 is the construction schematic diagram of foundation trench in the present embodiment.
In attached drawing, 1- bench crest, 2- leg wire of slope, 3- main framing, 4- arch skeleton, 5- foundation trench, six rib block substrate of 6-, 7- " one
Drill bit is dug in font " positioning tool, 8- baffle, 9- datum hole, 10- lime, 11- milling.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
A kind of mechanical slotting method in railway slope protection construction is present embodiments provided, specifically includes the following steps:
As shown in Figure 1, S1: carrying out slope surface finishing;Bench crest 1, the side slope of the side slope of roadbed side are measured by total station
Leg wire of slope 2 and side slope position of platform line.S11: side slope progress is smooth, clean surface dust with water and fills up the recessed artificial treatment in hole, and
Slope surface is tamped with ballast consolidating machine.The soil layer of side slope is reinforced, and being largely lost for Soil Slope is avoided.
S2: hanging wire setting-out is carried out;The beginning and end side line of skeleton and the fringing of bottom and top are released in side slope
Line, and side line and lacing thread are marked.Skeleton includes main framing 3 and arch skeleton 4, S21: releasing the side of main framing 3
Sideline and lacing thread, and release the side line and lacing thread of arch skeleton 4.Main framing 3 is rectangle, is pacified inside each main framing 3
Multiple arch skeletons 4 are filled, and the material of main framing 3 and arch skeleton 4 selects steel alloy, the overall structure for greatly improving slope protection is strong
Degree.S22: all side line and lacing thread are indicated using lime.It avoids biggish error occur to the excavation on basis, influences
The installation of skeleton.
S3: foundation trench 5 excavates;The foundation trench 5 of placement skeleton is dug out by milling digging machine tool.S31: milling digging machine tool digs drill bit using milling
11, which carry out foundation trench 5, excavates, and the artificial foundation trench 5 that carries out is cooperated to excavate.
As shown in figure 5, S311: milling digging machine tool digs drill bit 11 along the side line and edge for denoting lime 10 by milling
Sideline drills out the datum hole 9 of multiple adjacent designated depths;
S312: each adjacent two datum hole 9 is not overlapped or partly overlaps;
S313: the profile that the connection of all datum holes 9 is successively formed foundation trench by drill bit 11 is dug by milling again;
S314: drill bit 11 is dug finally by milling and excavates the formation foundation trench of the soil within profile.
Construction for foundation trench is currently directly to excavate soil along lime line using digging machine, but since arch skeleton is curved
Bent, then lime line is also into curved, and the bucket of common digging machine can not be bonded curved lime line completely and accurately dig out
Foundation trench, not only time-consuming for this form of construction work for digging foundation trench, difficulty is big, low efficiency, but also the foundation trench dug out is irregular, foundation trench side
The soil of edge is easy to loosen, so that the quality of entire foundation trench is very low.And milling digging machine tool adapted milling is selected to dig drill bit, using first edge
Denote the side line of lime 10 and lacing thread and beat datum hole 9 datum hole 9 is connected to the profile to form foundation trench again, finally excavate profile
Within soil form the construction method of foundation trench, foundation trench molding is fast, and difficulty is small, substantially increases the efficiency of construction of foundation ditch.Meanwhile
Dig out that foundation trench side slope soil disturbance is small, size is accurate for fluting, line style is smooth by this method.The artificial foundation trench that carries out is cooperated to open again
It digs, avoids the occurrence of the case where backbreaking.
S4: foundation trench 5 is modified;Foundation trench 5 is tamped by ballast consolidating machine.Ballast consolidating machine using tamper to foundation trench 5 into
Row compacting.Ballast consolidating machine adapted tamper guarantees that foundation trench 5 is adapted to skeleton, improves installation accuracy.Meanwhile effectivelying prevent side slope
Differential settlement, it is ensured that roadbed overall stability greatly improves the stability of roadbed soil layer, avoids side slope by rainwash
Infiltration with rainwater occur being largely lost of Soil Slope, come down, avalanche situations such as.
S5: foundation trench 5 is checked and accepted;It carries out an acceptance inspection according to 5 acceptance criteria of foundation trench;Foundation trench 5 is carried out after the completion of excavating by technical staff
Check of foundation subsoil, self-test qualification report on-site supervision engineer check and accept visa.Artificial check of foundation subsoil step is added, the supervision to construction quality is improved,
Be conducive to improve total quality.
S6: skeleton installation;Skeleton is mounted in foundation trench 5, and passes through double faced adhesive tape paper stuff up a crack.Using double faced adhesive tape paper
The side of skeleton is sealed, avoids concrete from leaking out influence from foundation trench 5 and constructs total quality, it is ensured that seam not spillage.Simultaneously
Sealing improves the closure of skeleton, also prevents surface water and easily penetrates into the case where slope surface soil layer deforms side slope soil expansion.
S7: installation tapping pipe;The more tapping pipes tilted down are installed in side slope.Tapping pipe uses pvc pipe, tapping pipe
One end insertion side slope soil in, other end tilts down, by soil water be discharged.
S8: casting concrete;It is poured between the main framing 3 and arch skeleton 4, and arch skeleton 4 and arch skeleton 4 of skeleton
Concrete, and poured from slope foot to top of the slope.S81: after waiting concrete final set, the soil for encircleing 4 inside of skeleton is tamped, so
The inside of arch skeleton 4 is filled up using six rib block substrates 6 afterwards.
S9: step is checked and accepted in setting;In arch skeleton 4 and encircle the examination step for being arranged between skeleton 4 and extending from slope foot to top of the slope.
According to the qualified examination step of design requirement setting.
S10: expansion joint setting;After equal concrete final set, it is arranged along roadbed direction and a plurality of extends from slope foot to top of the slope
Expansion joint.S101: expansion joint is set at 15-20m or stratum significant change along roadbed direction.The specific ruler at expansion joint
Very little as follows: the width at expansion joint is 2.5-3.5cm, and depth is not less than 0.2m;Expansion joint internal plug fills out pitch and fried dough twist reinforcing bar.
In addition, as shown in Figures 2 to 4, " "-" type " positioning tool 7 is installed in the inside of arch skeleton 4, for fixing six ribs
Block substrate 6." "-" type " positioning tool 7 makes six rib block substrates 6 that installation be accurately positioned, and ensure that the stability of six rib block substrates 6.
The both ends of " "-" type " positioning tool 7 are fixedly connected with the vertical both sides of arch skeleton 4, and the centre of " "-" type " positioning tool is equipped with
The baffle 8 being adapted to six rib block substrates 6.Baffle 8 be equipped with it is multiple, multiple baffles 8 respectively be located at same level height six ribs
Block substrate 6 corresponds, and each six ribs block substrate 6 is blocked, prevents six rib block substrates 6 from moving.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.