Blasting and silt squeezing construction method for thick sandy gravel interlayer
The invention provides a blasting and silt squeezing construction method for a thick sandy gravel interlayer. The blasting and silt squeezing construction method comprises the steps of block stone throwing and filling, primary cutting blasting, primary stone material supplementary throwing, primary...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a blasting and silt squeezing construction method for a thick sandy gravel interlayer. The blasting and silt squeezing construction method comprises the steps of block stone throwing and filling, primary cutting blasting, primary stone material supplementary throwing, primary side blasting, secondary cutting blasting, secondary stone material supplementary throwing and secondary side blasting. According to the blasting and silt squeezing construction method for the thick sandy gravel interlayer, a section designed in a dyke body mode is formed after three times of throwing and filling, two times of cutting blasting and two times of side blasting in the technical scheme, the technical problem that application of a conventional blasting and silt squeezing construction method in special geological conditions where silt layers and sandy gravel interlayers are intersected is difficult is solved, and the beneficial technical effects of being short in construction period, compact in dyke body, |
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