Method for investigating ground structure of pavement
First Claim
1. A method for investigating a ground structure of a paved road, comprising the steps of:
- boring an investigation hole with a small diameter which reaches at least a sand layer of a roadbed, penetrating a paved floor of said paved road;
cleaning an inside of said investigation hole which is bored by said boring step;
photographing, in said investigation hole which has been cleaned by said cleaning step, an overall surface of an inner circumferential wall of said investigation hole by an image pickup means for providing an image of said overall surface;
sending said image to a warping microprocessor for providing photograph data of said image;
recording said photograph data in recording means; and
filling up said investigation hole after said photographing step is finished to repair the hole.
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Accused Products
Abstract
Method for investigating the ground structure of a paved road which requires only a small diameter boring for direct observation of the ground structure. The method comprises a step of boring an investigation hole with a small diameter which reaches at least a sand layer of a roadbed, penetrating a paved floor of said paved road, a step of cleaning an inside of said investigation hole which is bored by said boring step, a step of photographing in said investigation hole which has been cleaned by said cleaning step, said photographing step photographing an overall surface of an inner circumferential wall of said investigation hole by means of image pickup means, a step of sending this image to a warping microprocessor, a step of recording said photograph data in recording means, and a step of filling up said investigation hole after said photographing step is finished to repair the hole.
15 Citations
7 Claims
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1. A method for investigating a ground structure of a paved road, comprising the steps of:
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boring an investigation hole with a small diameter which reaches at least a sand layer of a roadbed, penetrating a paved floor of said paved road; cleaning an inside of said investigation hole which is bored by said boring step; photographing, in said investigation hole which has been cleaned by said cleaning step, an overall surface of an inner circumferential wall of said investigation hole by an image pickup means for providing an image of said overall surface; sending said image to a warping microprocessor for providing photograph data of said image; recording said photograph data in recording means; and filling up said investigation hole after said photographing step is finished to repair the hole. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification