CN113189667A - Landfill space positioning device and method for field geophysical prospecting test - Google Patents
Landfill space positioning device and method for field geophysical prospecting test Download PDFInfo
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- CN113189667A CN113189667A CN202110297829.2A CN202110297829A CN113189667A CN 113189667 A CN113189667 A CN 113189667A CN 202110297829 A CN202110297829 A CN 202110297829A CN 113189667 A CN113189667 A CN 113189667A
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
Abstract
The invention discloses a landfill space positioning device for a field geophysical prospecting test, which comprises an anchor rod, a first ruler, a junction box, a second ruler and a remote control switch, wherein the anchor rod is fixedly connected with the first ruler; the number of the anchor rods is three, and the anchor rods can be fixed on the ground outside the pit edge; the fixed end of the first ruler is bound with the anchoring rod, and the movable end of the first ruler is fixed on the junction box; one end of the second ruler is a fixed end and is bound with the junction box, and the other end of the second ruler is a movable end; the first ruler fixed end and the second ruler fixed end are both provided with control circuits for controlling the first ruler fixed end and the second ruler fixed end to retract and release the movable ends respectively; the remote control switch remotely controls each control circuit to work through wireless; the method for positioning the landfill space in the field geophysical prospecting test adopts three second rulers and combines a trilateral positioning principle to measure the position of the landfill at the bottom of the suspended pit hole.
Description
Technical Field
The invention relates to a field test direction in geophysical exploration, in particular to a landfill space positioning device and method for field geophysical prospecting.
Background
Geophysical exploration, abbreviated as geophysical prospecting, refers to the detection of geological conditions such as formation lithology, geological structure and the like by researching and observing the changes of various geophysical fields. The method has the advantages of light equipment, low cost, high efficiency, wide working space and the like, and is widely applied to the fields of archaeology, tunnel construction, urban pipeline detection, hydrogeological exploration and the like.
The field geophysical prospecting test is to pre-embed bad geologic bodies in a field actual stratum to perform corresponding geophysical prospecting test so as to obtain comprehensive and real reaction of each geophysical prospecting means under different geological conditions, obtain related data and check design defects, and provide a basis for establishing a new theoretical and mathematical model.
In the field geophysical prospecting experiment process, a pit hole needs to be excavated, a landfill needs to be placed at an accurate position, and backfilling is carried out again. After backfilling, the depth and planar position of the landfill should be determined. As the buried depth of the landfill (bad geologic body) in the field geophysical prospecting experiment is larger, a funnel-shaped sliding slope surface with large area, steep gradient and vertical depth is often formed in the excavating process of the excavator. The landfill is located the funnel bottom, and slope limit soil is not hard up, domatic steeper, and the slope bottom faces the danger of collapsing, and the illumination is not enough, is difficult to measure the landfill degree of depth. The backfill area is large, and the plane position of the landfill is difficult to estimate after the backfill. There is therefore a need for more accurate spatial location devices and methods.
Disclosure of Invention
The invention provides a landfill space positioning device and method for a field geophysical prospecting test, aiming at overcoming the problem that the prior art can not accurately position a landfill in the field geophysical prospecting test.
The invention provides a landfill space positioning device for field geophysical prospecting tests, which can be used for carrying out space positioning on a landfill in a deep pit in an open field, overcomes the difficulties that slope soil is loose, the slope is steep, illumination at the bottom of the slope is insufficient and the like which are difficult to operate by personnel, is suitable for a field with uneven slope and incapable of determining a base point or a field with more shelters, and has good field adaptability. Furthermore, the device adopts automatic remote control operation, so that the measurement efficiency is high; the size is marked all over, and the measurement precision is high; and the equipment is light and convenient, and the cost is low.
The second invention aims to provide a landfill space positioning method for field geophysical prospecting tests, which can be combined with a space positioning device, can be operated in various fine or simplified modes, and is simple to operate and various in modes.
In order to achieve the purpose, the invention adopts the following scheme:
in a first aspect, the embodiment discloses a landfill space positioning device for a field geophysical prospecting test, which comprises an anchor rod, a first ruler, a junction box, a second ruler and a remote control switch; the number of the anchor rods is three, and the anchor rods can be fixed on the ground outside the pit edge; the fixed end of the first ruler is bound with the anchoring rod, and the movable end of the first ruler is fixed on the junction box; one end of the second ruler is a fixed end and is bound with the junction box, and the other end of the second ruler is a movable end; the first ruler fixed end and the second ruler fixed end are both provided with control circuits for controlling the first ruler fixed end and the second ruler fixed end to retract and release the movable ends respectively; the remote control switch remotely controls the operation of each control circuit in a wireless way.
As a further technical scheme, the first ruler and the second ruler are both engraved with lengths; the anchoring rod is engraved with a length.
As a further technical scheme, the anchoring rod is a hollow plastic pipe which is divided into three sections and can stretch out and draw back, so that the anchor rod is convenient to carry; the bottom of the anchoring rod is a conical pointed end, so that the anchoring rod can be conveniently inserted into soil on the ground; the anchor rod have a clamp, the clamp can be fixed on the anchor rod through screws and the like.
As a further technical scheme, the fixed end of the first ruler is bound on the hoop and can be detached; the top of the movable end of the first ruler is a circular ring and is sleeved on the junction box; the first ruler is a flexible leather measuring tape, so that the movable end can conveniently fall down, and the weight of the device is reduced.
As a further technical scheme, the top of the junction box is provided with a round cover, the middle of the junction box is provided with a cylinder, and the bottom of the junction box is provided with a second ruler fixing end, a control circuit and a laser lamp; the movable end ring of the first ruler is sleeved on the junction box cylinder; the round cover can be opened, so that the movable end of the first ruler can be conveniently detached; the laser lamp is connected with the control circuit and irradiates the landfill to facilitate the positioning of the movable end of the second ruler.
As a further technical scheme, the second tape is a flexible leather tape, so that the movable end can conveniently fall down, and the weight of the device is reduced; the movable end of the second ruler can be tied with a heavy object such as a stone, so that the second ruler vertically falls.
In a second aspect, the invention also provides a method for positioning a landfill space in a field geophysical prospecting test, which comprises the following steps:
1) three anchor rods are respectively inserted into the ground around the pot hole for fixing, the height of the fixed end of the first ruler is adjusted to prevent the fixed end from being influenced by the surrounding environment, and the spatial coordinate (x) at the bottom of each anchor rod is defined1,y1,z1)(x2,y2,z2)(x3,y3,z3)；
2) The movable end of the second ruler can be bound with a heavy object such as a stone, the fixed end circuits of the first ruler and the second ruler are opened, the movable end is connected with the remote switch, a laser lamp at the bottom of the junction box is lightened, and construction and excavation operation is carried out;
3) the length of the first ruler is adjusted by using a remote control switch, and the junction box is controlled to be suspended above the pit hole;
4) the remote control switch is used for controlling the movable end of the second ruler to fall, and the position of 0 meter is close to the landfill under the irradiation of a laser lamp;
5) repeating the step 3 to the step 4, and controlling the 0 m position of the second ruler to be positioned at the top end of the landfill or other positions needing to be measured;
6) reading first ruler fixed end height data (z) on anchor rod1'；z2'；z3'), first ruler length data (d)1；d2；d3) Second scale length data (z)4) And calculating coordinates of the landfill according to a trilateral positioning algorithm to obtain a landfill space position (x, y, z):
7) and when the depth or the direction of the landfill object is incorrect, the movable end of the second ruler can be retracted, the construction is continued, and the steps of 3-6 are repeated until the landfill object meets the requirement of the corresponding direction, and the measurement and the positioning are finished.
As a further technical solution, in the simple operation, step 6 may be replaced by step 10: reading second ruler length data (z)4) Controlling the 0 meter position of the second ruler to be on the ground, and recording the data (z) of the second ruler4') calculating a landfill depth z' ═ z4-z4'。
Compared with the prior art, the invention has the beneficial effects that:
1) the position of the buried object at the bottom of the suspended pit hole is measured by adopting the three second rules and combining the trilateral positioning principle, so that the difficulty that the operation is difficult for personnel such as loose soil at the slope edge, steep slope surface, insufficient illumination at the slope bottom and the like is overcome, and the method is suitable for fields with uneven slopes and incapable of determining a base point or fields with more shelters; personnel do not need to contact with the landfill, so that the safety of the personnel is ensured; automatic remote control operation is adopted, and the measurement efficiency is improved; the size marks are distributed all over, so that the measurement precision is improved; and the equipment is light and convenient, and the cost is low.
2) The positioning method adopted by the invention is matched with a device for use, a set of accurate coordinate positioning method and a set of simple positioning method are provided, and the corresponding method can be adopted according to actual needs to achieve the efficiency maximization.
5) The method enables the placement of the landfill of the field geophysical prospecting test to be more accurate, prevents the difficult problems that the landfill depth is difficult to determine during landfill and the position of a landfill plane is difficult to determine after backfilling, enables the subsequent geophysical prospecting measurement data to be more accurate, guarantees the accuracy of the field geophysical prospecting test, and is beneficial to the effective development of geophysical prospecting research.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
The drawings illustrate the combination of the elements, and the relative sizes do not represent actual dimensions, but rather are shown schematically in relative positions.
FIG. 1 is a schematic view of the apparatus assembly of the present invention.
Fig. 2 is a schematic view of the junction box design of the present invention.
Fig. 3 is a schematic view of the spatial placement position of the present invention.
Wherein: 1. anchor pole, 101, clamp, 2, first chi, 201, first chi stiff end, 202, first chi loose end, 3, terminal box, 301, terminal box dome, 302, terminal box cylinder, 303, terminal box bottom, 4, second chi, 401, second chi stiff end, 402, second chi loose end, 5, remote switch, 6, pothole, 7, ground, 8, control circuit, 9, laser lamp, 10, landfill thing.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As introduced by the background art, in the prior art, when the landfill in a deep pit is spatially positioned in the field, the difficulties that the slope soil is loose, the slope is steep, the illumination at the bottom of the slope is insufficient and the like, and the difficulty that the diversified fields such as the field with uneven slope, the field with uncertain base point or the field with more shelters are difficult to adapt exist.
Example 1
The special implementation mode of the application is applied to landfill positioning construction of field geophysical prospecting model tests. As shown in fig. 1, the device for locating a landfill space in a field geophysical prospecting test disclosed in this embodiment includes an anchor rod 1, a first ruler 2, a junction box 3, a second ruler 4, and a remote switch 5; the number of the anchor rods 1 in the embodiment is three, and the three anchor rods can be fixed on the ground 7 outside the pot hole 6 to form a triangular area, so that a foundation is laid for the following space positioning calculation, and preferably, the three anchor rods 1 form an equilateral triangular area after being fixed. The number of the first rulers 2 is also three, one end is a fixed end 201 which is bound with the anchoring rod 1, and the other end is a movable end 202 which is fixed on the junction box 3; namely, the junction box 3 is connected with three anchor rods 1 through three first rulers 2, and one first ruler corresponds to one anchor rod 1; one second ruler 4 is arranged, one end of the second ruler is a fixed end 401 which is bound with the junction box 3, and the other end of the second ruler is a movable end 402; the fixed end 201 of the first ruler and the fixed end 401 of the second ruler are both provided with a control circuit 8 which controls the fixed end 201 and the fixed end 401 to retract and release the movable end 202 and the movable end 402 respectively, so that the lengths of the first ruler and the second ruler can be adjusted to adapt to different environments; further, in order to realize the remote control of the control circuits, the remote control switch 5 in this embodiment remotely controls the operation of each control circuit 8 through wireless, and as for the specific control circuit, remote control circuit, etc., it is common knowledge, and therefore, detailed description thereof is omitted in this embodiment.
Further, the first ruler 2 and the second ruler 4 are both engraved with lengths, and for convenience of reading and calculation, the movable end 202 and the movable end 402 in this embodiment are starting points of 0 meter; the anchoring rod 1 is carved with a length, and the bottom is a starting point of 0 meter. It is understood that the starting point of the movable ends 202 and 402 may be other than 0 m, and the bottom of the anchor rod 1 may be other than 0 m, which is only computationally complex, but also falls within the scope of the present application.
As a further technical solution, the anchoring rod 1 in this embodiment is a hollow plastic tube or a metal tube, and is specifically selected according to actual needs; the tube is telescopic in multiple sections, and the main purpose of the design is to facilitate carrying; it will of course be appreciated that in other embodiments, regardless of carrying, anchor rod 1 may also be configured to be non-telescoping, as the case may be, depending on the actual needs. Further, the bottom of anchor rod 1 is designed as a conical tip, mainly to facilitate insertion of anchor rod 1 into the ground 7 soil; further, anchor rod 1 be equipped with clamp 101, clamp 101 can be fixed in anchor rod 1 through screws etc. on, clamp 101's effect is mainly in order to fix the stiff end of first chi.
As a further technical scheme, the first fixed end 201 is bound on the hoop 101 and can be detached; the movable end 202 of the first ruler is connected with a circular ring, and the circular ring is sleeved on the upper cylinder 302 of the terminal box 3; and preferably, the first ruler 2 is a flexible leather measuring tape, which is convenient for the drop of the movable end 201 of the first ruler 2 and the reduction of the weight of the device;
as a further technical solution, the structure of the junction box 3 is as shown in fig. 3, the top of the junction box is provided with a round cover 301, the middle is provided with a cylinder 302, and the bottom 303 is provided with a second ruler fixing end 401, a control circuit 8 and a laser lamp 9; the first ruler movable end 202 is annularly sleeved on the junction box column 302; the round cover 301 can be opened, so that the movable end 202 of the first ruler can be conveniently detached; the laser lamp 9 is connected with the control circuit 8, and the irradiation of the landfill 10 is convenient for the positioning of the movable end 402 of the second ruler; cylinder 302 functions primarily to secure the circular ring of first rule movable end 202. Of course, it is understood that the laser lamp 9 in the present embodiment may be replaced by other lighting devices, and the arrangement is specifically set according to actual needs. It should be further noted that the control circuit 8 for turning on or off the lighting device is an existing control circuit, and the design of the circuit belongs to the common knowledge, and therefore, in this embodiment, the detailed structure of the control circuit is not described in detail.
As a further technical solution, the second tape 4 is also a flexible leather tape, which is convenient for the drop of the movable end 402 and reduces the weight of the device; and further, a heavy object such as a stone, a metal block and the like can be bound at the movable end 402 of the second ruler, so that the second ruler 4 vertically falls down, and the measurement is convenient.
Based on the above-mentioned landfill 10 space positioning device for field geophysical prospecting test, this embodiment also provides a landfill 10 space positioning method for field geophysical prospecting test, which specifically includes the following steps:
1) three anchor rods 1 are respectively inserted into the ground 7 around the pot hole 6 and fixed, the height of the first ruler fixing end 201 is adjusted to prevent the first ruler fixing end from being influenced by the surrounding environment, and the bottom space coordinate (x) of the anchor rod 1 is defined1,y1,z1)(x2,y2,z2)(x3,y3,z3)；
2) A heavy object such as a stone can be bound on the movable end 402 of the second ruler, the control circuit 8 of the first ruler fixed end 201 and the second ruler fixed end 401 is opened, the first ruler fixed end is connected with the remote switch 5, the laser lamp 9 of the bottom 303 of the junction box is lightened, and construction excavation operation is carried out;
3) the length of the first ruler 2 is adjusted by using a remote switch 5, and the junction box 3 is controlled to be suspended above the pit;
4) the remote control switch 5 is used for controlling the movable end 402 of the second ruler to fall, and the position of 0 meter is close to the landfill 10 under the irradiation of the laser lamp 9;
5) repeating the steps 3-4, and controlling the 0 m position of the second ruler 4 to be positioned at the top end of the landfill 10 or other positions needing to be measured;
6) reading height data (z) of first ruler fixed end 201 on anchor rod 11'；z2'；z3'), first scale 2 length data (d)1；d2；d3) Second scale 4 length data (z)4) And calculating the coordinates of the landfill 10 according to a trilateral localization algorithm to obtain the spatial position (x, y, z) of the landfill 10:
(x-x1)2+(y-y1)2+(z+z4-z1-z1')2＝d1 2,
(x-x2)2+(y-y2)2+(z+z4-z2-z2')2＝d2 2,
(x-x3)2+(y-y3)2+(z+z4-z3-z2')2＝d3 2,
solving the equation and rejecting z > max (z) according to the actual position1,z2,z3) Obtaining the (x, y, z) coordinates of the spatial position, so as to facilitate the subsequent processing of geophysical exploration data;
7) when the depth or the direction of the landfill 10 is incorrect, the second ruler movable end 402 can be retracted, the construction is continued, the steps 3-6 are repeated until the landfill 10 meets the requirement of the corresponding direction, and the measurement and positioning are finished;
8) the second movable end 402 is retracted to finish earth backfilling of the landfill 10, the second movable end 402 is discharged to the ground again, and the plane position of the landfill 10 is displayed by painting or making other marks, so that subsequent geophysical exploration data processing is facilitated;
9) the second ruler free end 402 is retracted or the device is fully retracted as required and the measurement positioning is finished.
Example 2
The special implementation mode of the application is applied to landfill positioning construction of field geophysical prospecting model tests. The concept of the embodiment is basically the same as that of the embodiment 1, and the landfill space positioning device for the field geophysical prospecting test also comprises a first ruler 2, a junction box 3, a second ruler 4 and a remote control switch 5; the difference between this embodiment and embodiment 1 is that anchor rod 1 is omitted, and fixed end 201 of first ruler 2 is bound on the support outside pothole 6; the other structures are completely the same as those of embodiment 1, and are not described in detail herein.
Of course, it should be understood that the support in this embodiment may be a trunk, a building, or other fixed facilities; the first ruler fixed end 201 is bound on the support and can be detached.
In a corresponding method part, the embodiment further provides a method for spatially positioning the landfill 10 in the field geophysical prospecting test, which comprises the following steps:
1) the fixed end 201 of the first ruler 2 is bound on the support outside the pot hole 6;
2) a heavy object such as a stone can be bound on the movable end 402 of the second ruler, the control circuit 8 of the first ruler fixed end 201 and the second ruler fixed end 401 is opened, the first ruler fixed end is connected with the remote switch 5, the laser lamp 9 of the bottom 303 of the junction box is lightened, and construction excavation operation is carried out;
3) the length of the first ruler 2 is adjusted by using a remote switch 5, and the junction box 3 is controlled to be suspended above the pit;
4) the remote control switch 5 is used for controlling the movable end 402 of the second ruler to fall, and the position of 0 meter is close to the landfill 10 under the irradiation of the laser lamp 9;
5) repeating the steps 3-4, and controlling the 0 m position of the second ruler 4 to be positioned at the top end of the landfill 10 or other positions needing to be measured;
6) reading second ruler 4 length data (z)4) Controlling the 0 meter position of the second ruler 4 to be positioned on the ground, and recording the data (z) of the second ruler 44') to calculate the depth z' of the landfill 10, z ═ z4-z4'。；
7) When the depth or the direction of the landfill 10 is incorrect, the second ruler movable end 402 can be retracted, the construction is continued, the steps 3-6 are repeated until the landfill 10 meets the requirement of the corresponding direction, and the measurement and positioning are finished;
8) the movable end 402 of the second ruler is retracted to finish the earth backfilling of the landfill 10;
9) the second ruler free end 402 is retracted or the device is fully retracted as required and the measurement positioning is finished.
Of course, the method is also applicable to the apparatus disclosed in the first embodiment.
The invention adopts the three second rulers 4 and combines the trilateral positioning principle to measure the position of the landfill 10 at the bottom of the suspended pit hole, overcomes the difficulties that the slope soil is loose, the slope is steep, the illumination at the bottom of the slope is insufficient and the like which are difficult to be operated by people, and can be suitable for the fields with uneven slopes and unable to determine the base point or the fields with more shelters; personnel do not need to contact the landfill 10, so that the safety of the personnel is ensured; automatic remote control operation is adopted, and the measurement efficiency is improved; the size marks are distributed all over, so that the measurement precision is improved; and the equipment is light and convenient, and the cost is low.
The positioning method adopted by the invention is matched with a device for use, a set of accurate coordinate positioning method and a set of simple positioning method are provided, and the corresponding method can be adopted according to actual needs to achieve the efficiency maximization.
The method ensures that the landfill 10 of the field geophysical prospecting test is placed more accurately, prevents the difficult problems that the landfill depth is difficult to determine during landfill and the position of a landfill plane is difficult to determine after backfilling, ensures more accurate positioning of subsequent geophysical prospecting measurement data, ensures the accuracy of the field geophysical prospecting test, and is beneficial to the effective development of geophysical prospecting research.
Finally, it is also noted that relational terms such as first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. A landfill space positioning device for field geophysical prospecting tests is characterized by comprising an anchor rod, a horizontal ruler, a junction box, a second ruler and a remote control switch;
the anchor rods comprise three anchor rods, and the three anchor rods are fixed on the ground outside the pit edge to form a triangular area;
the fixed ends of the three first rulers are respectively fixed on the three anchoring rods, and the movable ends of the first rulers are fixed on the junction box; the junction box is positioned in the triangular area;
the fixed end of the second ruler is vertically fixed on the junction box, and the other end of the second ruler is a movable end; the fixed ends of the first ruler and the second ruler are provided with control circuits for controlling the first ruler and the second ruler to retract and release the movable ends thereof; the remote control switch remotely controls the operation of each control circuit in a wireless way.
2. The device for spatially locating a landfill in a field geophysical prospecting test of claim 1, wherein the first ruler, the second ruler and the anchor rod are engraved with lengths.
3. The device for spatially locating a landfill in a field geophysical prospecting test of claim 1, wherein the anchoring rod is a telescopic tube, and the bottom of the anchoring rod is a conical tip.
4. The apparatus of claim 1 wherein the anchor rod has a clamp.
5. The device for spatially locating a landfill in a field geophysical prospecting test of claim 4, wherein the fixed end of the first ruler is bound to the clamp; the top of the movable end of the first ruler is a circular ring and is sleeved on the junction box.
6. The device for locating the landfill space in the field geophysical prospecting test as claimed in claim 1, wherein the junction box is provided with a cover body at the top, a cylinder at the middle and a second ruler fixing end, a control circuit and a lighting device at the bottom; the movable end of the first ruler is sleeved on the cylinder; the lighting device is connected with the control circuit, and irradiates the landfill to facilitate the positioning of the movable end of the second ruler.
7. The apparatus of claim 1 wherein a weight is attached to the free end of the second ruler.
8. The method for positioning by using the landfill space positioning device for the field geophysical prospecting test as claimed in any one of claims 1 to 7, is characterized by comprising the following steps:
three anchor rods are respectively inserted into the ground around the pot hole for fixing, the height of the fixed end of the first ruler is adjusted to prevent the fixed end from being influenced by the surrounding environment, and the spatial coordinate (x) at the bottom of each anchor rod is defined1,y1,z1)(x2,y2,z2)(x3,y3,z3)；
A heavy object is fixed at the movable end of the second ruler, the control circuits of the first ruler and the second ruler are opened, the first ruler and the second ruler are connected with the remote switch, the illuminating device at the bottom of the junction box is lightened, and construction excavation operation is carried out;
the length of the first ruler is adjusted by using a remote control switch, and the junction box is controlled to be suspended above the pit hole;
the remote control switch is used for controlling the movable end of the second ruler to fall, and the position of 0 meter is close to the landfill under the irradiation of a laser lamp;
repeating the step 3 to the step 4, and controlling the 0 m position of the second ruler to be positioned at the top end of the landfill or other positions needing to be measured;
reading first ruler fixed end height data (z) on anchor rod1'；z2'；z3'), first ruler length data (d)1；d2；d3) Second scale length data (z)4) And calculating coordinates of the landfill according to a trilateral positioning algorithm to obtain a landfill space position (x, y, z):
and when the depth or the direction of the landfill object is incorrect, the movable end of the second ruler can be retracted, the construction is continued, and the steps of 3-6 are repeated until the landfill object meets the requirement of the corresponding direction, and the measurement and the positioning are finished.
9. Method according to claim 8, characterized in that in step 6 the second ruler length data (z) is also read4) Controlling the 0 meter position of the second ruler to be on the ground, and recording the data (z) of the second ruler4') calculating a landfill depth z' ═ z4-z4'。
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| CN113960696A (en) * | 2021-09-22 | 2022-01-21 | 山东大学 | Method for burying field bad geologic body by comprehensive geophysical prospecting and test method |
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