A foundation pile comprising a longitudinal through hole (1) and a plurality of crosswise through holes (2) transverse to longitudinal through hole (1) extending between longitudinal through hole (1) and the outer surface of the pile and optionally further comprising check valves positioned in the crosswise through holes (2), configured such that the crosswise through holes (2) and the check valves allow one-way communication from the inside of the pile to the outside of the pile from longitudinal through hole (1) to the outer side surfaces of the pile.

The present disclosure relates to a foundation profile for an offshore structure. The foundation profile includes a profile end portion, which is arranged in an offshore subsoil in the intended state of the foundation profile. Further, at least one elongated hollow body is arranged at the profile end portion in the intended state. The elongated hollow body is configured to receive a swellable material.

The present disclosure relates to a foundation profile for an offshore structure. The foundation profile includes a profile end portion, which is arranged in an offshore subsoil in the intended state of the foundation profile. Further, at least one elongated hollow body is arranged at the profile end portion in the intended state. The elongated hollow body is configured to receive a swellable material.

Tip-grouting tools may include at least one inlet, an outlet in communication with the at least one inlet, and a distribution material defining a tortuous path between the at least one inlet and the outlet. The distribution material may be configured to distribute at least one of pressure, mass, and flow of grouting material across the outlet.

Tip-grouting tools may include at least one inlet, an outlet in communication with the at least one inlet, and a distribution material defining a tortuous path between the at least one inlet and the outlet. The distribution material may be configured to distribute at least one of pressure, mass, and flow of grouting material across the outlet.

A grouting consolidation method for a full casing borehole guide prefabricated pile, comprising the following steps: S1, driving a drilling rig carrying a casing (1) to perform borehole construction, the borehole construction being performed to a preset hole depth to form a borehole (2); S2. the casing (1) being housed in the borehole (2); S3. implanting a prefabricated pile (4) into the borehole (2) so that the prefabricated pile (4) reaches a hole bottom of the borehole (2); S4. injecting a slurry (3) into the borehole (2); S5. pulling out the casing (1) so that the prefabricated pile (4) and an inner cavity of the borehole (2) are fixed and cemented into an integrated structure. Also provided is a prefabricated pile, comprising a pile body and a grouting channel (5) provided on the pile body, wherein a liquid inlet end (11) of the grouting channel (5) extends out from an upper end surface of the pile body and a liquid outlet end (12) of the grouting channel (5) extends out from a lower end surface of the pile body and/or a side surface of the pile body.

A grouting consolidation method for a full casing borehole guide prefabricated pile, comprising the following steps: S1, driving a drilling rig carrying a casing (1) to perform borehole construction, the borehole construction being performed to a preset hole depth to form a borehole (2); S2. the casing (1) being housed in the borehole (2); S3. implanting a prefabricated pile (4) into the borehole (2) so that the prefabricated pile (4) reaches a hole bottom of the borehole (2); S4. injecting a slurry (3) into the borehole (2); S5. pulling out the casing (1) so that the prefabricated pile (4) and an inner cavity of the borehole (2) are fixed and cemented into an integrated structure. Also provided is a prefabricated pile, comprising a pile body and a grouting channel (5) provided on the pile body, wherein a liquid inlet end (11) of the grouting channel (5) extends out from an upper end surface of the pile body and a liquid outlet end (12) of the grouting channel (5) extends out from a lower end surface of the pile body and/or a side surface of the pile body.

Disclosed are a pile-bottom grouting cavity and a method for using same, and a cast-in-place pile body and a method for constructing same. The pile-bottom grouting cavity comprises: a grouting capsule, having an expansion state in which the grouting capsule is filled with grout to bear a pile body, and a contracted state in which the grouting capsule is hollow; a grouting pipe in communication with an inner cavity of the grouting capsule to grout the grouting capsule; and a fixing plate, with the grouting capsule being arranged on the fixing plate, and the fixing plate being provided with a through hole that is in communication with the bottom of an accommodation hole, such that slurry and/or sediment in the accommodation hole pass through the fixing plate. The aim thereof is to solve the problems in the prior art of hole wall collapse and excessive sediment that seriously affect the quality of construction in a grouting pile with a grouting capsule during the construction of a cast-in-place bored pile.

Disclosed are a pile-bottom grouting cavity and a method for using same, and a cast-in-place pile body and a method for constructing same. The pile-bottom grouting cavity comprises: a grouting capsule, having an expansion state in which the grouting capsule is filled with grout to bear a pile body, and a contracted state in which the grouting capsule is hollow; a grouting pipe in communication with an inner cavity of the grouting capsule to grout the grouting capsule; and a fixing plate, with the grouting capsule being arranged on the fixing plate, and the fixing plate being provided with a through hole that is in communication with the bottom of an accommodation hole, such that slurry and/or sediment in the accommodation hole pass through the fixing plate. The aim thereof is to solve the problems in the prior art of hole wall collapse and excessive sediment that seriously affect the quality of construction in a grouting pile with a grouting capsule during the construction of a cast-in-place bored pile.

Disclosed are a pile-bottom grouting cavity and a method for using same, and a cast-in-place pile body and a method for constructing same. The pile-bottom grouting cavity comprises: a grouting capsule, having an expansion state in which the grouting capsule is filled with grout to bear a pile body, and a contracted state in which the grouting capsule is hollow; a grouting pipe in communication with an inner cavity of the grouting capsule to grout the grouting capsule; and a fixing plate, with the grouting capsule being arranged on the fixing plate, and the fixing plate being provided with a through hole that is in communication with the bottom of an accommodation hole, such that slurry and/or sediment in the accommodation hole pass through the fixing plate. The aim thereof is to solve the problems in the prior art of hole wall collapse and excessive sediment that seriously affect the quality of construction in a grouting pile with a grouting capsule during the construction of a cast-in-place bored pile.