Photogrammetric and analytical method of architecture blasting and collapsing procedure
Photogrammetric and analytical method of architecture blasting and collapsing procedure
 CN 101,266,148 A
 Filed: 04/28/2008
 Published: 09/17/2008
 Est. Priority Date: 04/28/2008
 Status: Active Application
First Claim
1. , a kind of photogrammetric analytical approach of construction of structures blasting and collapsing procedure, it may further comprise the steps:
 (1), select for use and reach the nonmeasurement digital code camera that photogrammetric accuracy requires, design feature and blasting scheme according to construction of structures, select the photogrammetric or twoshipper synchronous shooting measurement of unit, arrange initial control point, obtain photographs, follow the trail of initial control point;
(2), utilize the image analysis method, photographs is carried out space analysis, eliminate the distortion effect of photography;
(3), based on the real space data that photogrammetric analysis obtains, the construction of structures blasting and collapsing procedure is carried out quantitative test.
Chinese PRB Reexamination
Abstract
The invention discloses a photogrammetric survey analytical method of architectural structures in blasting and collapsing process, comprising the steps of: (1) selecting a nonmetric digital camera meeting photogrammetric survey precision, selecting a single machine photogrammetric survey or double machine photogrammetric survey according to a structural feature and blasting plan of the architectural structures, arranging an initial control point to obtain a photogrammetric image and track the initial control point; (2) processing space parse for the photogrammetric image by an image analysis method to eliminate a distortion effect of the photography; (3) processing quantitative analysis for the architectural structures in blasting and collapsing process based on a real object space data obtained from photogrammetric survey analysis. The invention can solves the technical problem that the quantitative analysis for the architectural structures in blasting and collapsing process to obtain actual displacement, speed, acceleration, kinetic energy, potential energy of the architectural structures in blasting and collapsing process so as to quantitatively analyze blasting and collapsing discipline.

3 Citations
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No References
6 Claims

1. , a kind of photogrammetric analytical approach of construction of structures blasting and collapsing procedure, it may further comprise the steps:
 (1), select for use and reach the nonmeasurement digital code camera that photogrammetric accuracy requires, design feature and blasting scheme according to construction of structures, select the photogrammetric or twoshipper synchronous shooting measurement of unit, arrange initial control point, obtain photographs, follow the trail of initial control point;
(2), utilize the image analysis method, photographs is carried out space analysis, eliminate the distortion effect of photography;
(3), based on the real space data that photogrammetric analysis obtains, the construction of structures blasting and collapsing procedure is carried out quantitative test.
 (1), select for use and reach the nonmeasurement digital code camera that photogrammetric accuracy requires, design feature and blasting scheme according to construction of structures, select the photogrammetric or twoshipper synchronous shooting measurement of unit, arrange initial control point, obtain photographs, follow the trail of initial control point;

2. the photogrammetric analytical approach of a kind of construction of structures blasting and collapsing procedure as claimed in claim 1, selection can be reacted the photography direction and the photo distance of collapse direction more significantly, when unit is photogrammetric, video camera will be perpendicular to orientation direction, face the construction of structures of intending explosion, when the twoshipper synchronous shooting was measured, two video cameras need be certain shooting angle.

3. the photogrammetric analytical approach of a kind of construction of structures blasting and collapsing procedure as claimed in claim 1, photogrammetric or the twoshipper synchronous shooting beasurement base of described selection unit is, if the construction of structures texture ratio is symmetry, orientation direction is relatively more accurate, the employing unit is photogrammetric, photogrammetric analysis is reduced to the twodimensional space coordinate resolves, asymmetric or the asymmetric engineering of blasting scheme for structure, deflect easily or reverse, should select for use the twoshipper synchronous shooting to measure, carry out three dimensional space coordinate and resolve.

4. the photogrammetric analytical approach of a kind of construction of structures blasting and collapsing procedure as claimed in claim 1, described layout initial control point will be in conjunction with the content and the computation process of photogrammetric analysis, ultimate principle according to direct linear transformation'"'"'s solution, the two cameras synchronous shooting is measured, and needs 6 initial control point at least;
 Unit is photogrammetric, needs 4 initial control point at least;
When the two cameras synchronous shooting was measured, the reference mark must not be arranged in the same plane of any direction;
When unit was photogrammetric, the reference mark must not be arranged on the same straight line of any direction.
 Unit is photogrammetric, needs 4 initial control point at least;

5. the photogrammetric analytical approach of a kind of construction of structures blasting and collapsing procedure as claimed in claim 1, the described photographs step of obtaining is that the collapsing procedure of taking construction of structures obtains image file, by the multimedia image process software it is decomposed into a width of cloth width of cloth image again;
 When unit was photogrammetric, the time differences such as a formation width of cloth width of cloth was at interval described the image of blasting and collapsing procedure;
When twoshipper was photogrammetric, the time differences such as acquisition cubic phase at interval was right, and the right acquisition time of each cubic phase must be synchronously;
Described tracking initial control point, carrying out analytic trnasformation is the initial control point of tracking map picture or stereogram, set up the coordinate (x of picture point by the direct linear transformation, y) with object space coordinate (X, Y, Z) direct linear relationship, and then obtain the object space coordinate at reference mark in the construction of structures blasting and collapsing procedure, provide basic parameter for analyzing demolition effect, the steps include;
to calculate three fundamental physical quantities of displacement, speed, acceleration of member, displacement comprise the structure that member or explosion otch are above barycenter translation and rotate around barycenter;
Displacement obtains the pointtopoint speed and the velocity of rotation of the barycenter of the above structure of member or explosion otch to the time differentiate;
Speed obtains the translational acceleration and the rotation acceleration of the barycenter of the above structure of member or explosion otch to the time differentiate.
 When unit was photogrammetric, the time differences such as a formation width of cloth width of cloth was at interval described the image of blasting and collapsing procedure;

6. the photogrammetric analytical approach of a kind of construction of structures blasting and collapsing procedure as claimed in claim 1, the described real space data that obtain based on photogrammetric analysis, the construction of structures blasting and collapsing procedure is carried out the quantitative test step comprise:

(1) mechanical mechanism of analysis blasting and collapsing procedure The member of the construction of structures collapsing procedure that obtains according to photogrammetric analysis or the kinematics and the kinetic parameter of partstructure body, comprise generalized mass, generalized displacement, generalized velocity, generalized acceleration, the change procedure of amplification physical quantitys such as the forcebearing situation in the calculating collapsing procedure, explosion recoil, the length of collapsing, kinetic energy, potential energy, mechanical energy; (2) analyze demolition effect and rule By basic exercise, kinetic parameter and amplification physical quantity, and, draw the explosion rule, the crucial factor of evaluation of demolition effect is carried out quantitative test in conjunction with actual demolition effect.

Specification(s)