The present invention concerns a geosynthetic element for a geotechnical engineering application. The geosynthetic element comprises: bacteria carriers for carrying bacteria arranged to be propagated from the geosynthetic element to a surrounding geomaterial; and a flow network comprising openings on its surface to allow a reactant to escape the flow network to the surrounding geomaterial along the flow network to produce solid calcium carbonate when in contact with the bacteria. The reactant flow network further comprises a set of inlets for feeding the reactant into the flow network, and a set of outlets for recovering at least a part of the reactant from the reactant flow network.

The invention relates to a construction method, in which an excavation pit is produced in the ground and in the excavation pit foundation elements are produced at predetermined working points with at least one working apparatus. According to the invention provision is made in that in a computer unit the dimensions of the excavation pit, the working points and the dimensions of the at least one working apparatus are entered and in that in the computer unit a required workspace for the at least one working apparatus and an open space in the excavation pit are determined automatically.

A method for cemented material dam construction based on whole-process quality control includes: determining a water-binder ratio of a sand and gravel material through a simulation test; laying rockfill on the first cemented sand and gravel layer before the final setting time of the first cemented sand and gravel layer; adjusting the maximum particle size of the rockfill and the distance between the particles in the rockfill according to the design requirements; spraying a cement slurry on the rockfill to wrap all the particles in the rockfill and laying a second cemented sand and gravel layer before the initial setting time of the cement slurry; performing rolling compaction on the construction layer until the decline in the thickness of the construction layer and the apparent density of the rolled surface meet the design requirements; and completing the cemented material dam construction.

A method for cemented material dam construction based on whole-process quality control includes: determining a water-binder ratio of a sand and gravel material through a simulation test; laying rockfill on the first cemented sand and gravel layer before the final setting time of the first cemented sand and gravel layer; adjusting the maximum particle size of the rockfill and the distance between the particles in the rockfill according to the design requirements; spraying a cement slurry on the rockfill to wrap all the particles in the rockfill and laying a second cemented sand and gravel layer before the initial setting time of the cement slurry; performing rolling compaction on the construction layer until the decline in the thickness of the construction layer and the apparent density of the rolled surface meet the design requirements; and completing the cemented material dam construction.

The embankment monitoring system comprises an optic sensor chain (10) and an interrogator (20). The optic sensor chain (10) comprises a series of intrinsic fiber optic sensors (12) that are mutually spaced with respect to each other in a longitudinal direction of the optic sensor chain and at least one optic fiber (14) to optically connect the plurality of intrinsic fiber optic sensors to the interrogator. The interrogator is configured to issue an optic interrogation signal and the intrinsic fiber optic sensors are configured to respond to the optic interrogation signal with an optic measurement signal that is indicative for at least one physical parameter (P.sub.1) sensed by the intrinsic fiber optic sensors. The interrogator is further configured to process the optic measurement signals of the intrinsic fiber optic sensors to estimate a depth (d) as a function of a position (p) along said optic sensor chain (10).

The invention is applicable in the field of retaining structures, known as reinforced soil. More specifically, it refers to a facing element for reinforced soil structures and excavation faces and to a structure for reinforcing slope and excavation faces made with the facing element provided for in the present invention. The facing element for reinforced soil structures and excavation faces provided for in the present invention is made of a natural origin material, composite, biological or synthetic, for example a biopolymer such as polylactic acid 100 percent genuine (PLA) or polylactic acid bonded with other elements (composite PLA), composite with a fibre material containing cellulose, such as WPC wood, or natural wood.

The present invention concerns a geosynthetic element for a geotechnical engineering application. The geosynthetic element comprises: bacteria carriers for carrying bacteria arranged to be propagated from the geosynthetic element to a surrounding geomaterial; and a flow network comprising openings on its surface to allow a reactant to escape the flow network to the surrounding geomaterial along the flow network to produce solid calcium carbonate when in contact with the bacteria. The reactant flow network further comprises a set of inlets for feeding the reactant into the flow network, and a set of outlets for recovering at least a part of the reactant from the reactant flow network.

Provided are a computer program product, system, and method for controlling moveable robot blocks to dynamically form a barrier. A barrier plan is generated indicating a placement of moveable robot blocks at locations in a coordinate system to form a barrier in a geographical area, wherein the coordinates system indicates locations for the moveable robot blocks to form the barrier. Commands are transmitted to the moveable robot blocks deployed in the geographical area where the barrier is to be formed to cause the moveable robot blocks to move to the locations in the coordinate system in the barrier plan to form the barrier.

Provided are a computer program product, system, and method for controlling moveable robot blocks to dynamically form a barrier. A barrier plan is generated indicating a placement of moveable robot blocks at locations in a coordinate system to form a barrier in a geographical area, wherein the coordinates system indicates locations for the moveable robot blocks to form the barrier. Commands are transmitted to the moveable robot blocks deployed in the geographical area where the barrier is to be formed to cause the moveable robot blocks to move to the locations in the coordinate system in the barrier plan to form the barrier.

A method for renewing a placement area may include one or more of the following steps. A dredge barge may be disposed inside a placement area containing materials dredged from one or more other locations and disposed within the placement area. Material may be dredged from the placement area. The dredged material may be processed. Water may be added to the placement area to maintain a flotation level of the dredge barge. The dredge barge may be removed from the placement area. The water may be removed from the placement area. This process may allow a placement area to be continually renewed and may allow useful materials to be recovered from a placement area.