1.6.3.3 Comparison and Selection of Saddle Dam TypeRegarding the upper translation - 1.6.3.3 Comparison and Selection of Saddle Dam TypeRegarding the upper Lao how to say

1.6.3.3 Comparison and Selection of

1.6.3.3 Comparison and Selection of Saddle Dam Type
Regarding the upper dam site of the saddle dam it is to propose local material dam and concrete dam for conducting comparison and study of dam type, and it is mainly proposed the three dam types of homogeneous earth dam, impervious core earth dam and concrete gravity dam.
Homogeneous earth dam: Duo to geologic conditions of Houay Por Gully, we fail to find filler material that can meet the dam filling requirement. Therefore, it is not suitable for building an earth dam.
The structure of the concrete gravity dam is simple the construction of which is convenient. However, the dam axis length of the saddle dam is 217.9m, which is not good for saving quantity or project cost
Materials may be taken locally for the local material dam and its adaptability to foundation deformation is strong. The dam body of the project is relatively low the section volume is not large and the peak flood discharge of Houay Por Gully is relatively small, while the flood-release dimension is relatively small. The river valley at the dam site is wide and spacious which is easy for arranging such structures as flood-release structures, desilting structures and power intake, etc. Since the project area lacks of qualified impervious earth material, it is to use concrete core wall for seepage control.
In summary, the adaptability of concrete core dam to low-level deformation capacity is low, the requirements for geologic conditions of the dam site are low and the project cost and construction cost are relatively low. Therefore, it is to recommend the scheme for concrete core earth-rock dam.
1.6.4 Complex Layout of Project
According to the topographic and geologic conditions of the complex area, in combination with the construction, hydro energy utilization and other factors it is to determine the complex layout of the project as follows: the main dam is to retain water with concrete gate dam, and divert via the power intake and trapezoidal open channel on the surface to the concrete core earth-rock dam reservoir area. The intake of core earth-rock dam is connected with trapezoidal open channel, which is to be diverted to the surface forebay, after which it is connected with a penstock with ID of 3.55m to the ground powerhouse for power generation.
The headwork complex structures of the main dam mainly comprise the retaining dam section, the flood release/ desilting gate section and the power intake. The full length of the gate crest is 82m, the maximum dam height is 9.5m, and the FSL is at El. 322.50m.




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1.6.3.3 ການ​ປຽບ​ທຽບ​ແລະ​ການ​ຄັດ​ເລືອກ​ຂອງ Saddle ເຂື່ອນ​ປະ​ເພດ
ກ່ຽວ​ກັບ​ການ​ເຂື່ອນ​ເທິງ​ຂອງ saddle ໄດ້​ເຂື່ອນ​ມັນ​ແມ່ນ​ການ​ສະ​ເຫນີ​ສ້າງ​ເຂື່ອນ​ໄຟ​ຟ້າ​ອຸ​ປະ​ກອນ​ການ​ພາຍ​ໃນ​ແລະ​ເຂື່ອນ​ຊີ​ມັງ​ສໍາ​ລັບ​ການ​ດໍາ​ເນີນ​ການ​ປຽບ​ທຽບ​ແລະ​ການ​ສຶກ​ສາ​ຂອງ​ປະ​ເພດ​ເຂື່ອນ​ໄຟ​ຟ້າ​, ແລະ​ມັນ​ໄດ້​ຖືກ​ນໍາ​ສະ​ເຫນີ​ສ່ວນ​ໃຫຍ່​ແມ່ນ​ສາມ​ປະ​ເພດ​ເຂື່ອນ​ໄຟ​ຟ້າ​ຂອງ​ແຜ່ນ​ດິນ​ໂລກ​ເປັນ​ເນື້ອ​ດຽວ​ກັນ ເຂື່ອນ​, ເຂື່ອນ​ໄຟ​ຟ້າ​ໃນ​ທົ່ວ​ໂລກ​ສໍາ​ຄັນ​ບໍ່​ອະ​ນຸ​ຍາດ​ແລະ​ການ​ສ້າງ​ເຂື່ອນ​ໄຟ​ຟ້າ​ຂອງ​ກາ​ວິ​ທັດ​ສີ​ມັງ​,​.
ເຂື່ອນ​ໄຟ​ຟ້າ​ໃນ​ທົ່ວ​ໂລກ Homogeneous​: Duo ກັບ​ສະ​ພາບ​ການ​ແຮ່​ຂອງ​ຫ້ວຍ Por Gully​, ພວກ​ເຮົາ​ເຊັ່ນ​ການ​ແລກ​ປ່ຽນ​ເພື່ອ​ຊອກ​ຫາ​ວັດ​ສະ​ດຸ​ທີ່​ບັນ​ຈຸ​ທີ່​ສາ​ມາດ​ຕອບ​ສະ​ຫນອງ​ຄວາມ​ຮຽກ​ຮ້ອງ​ຕ້ອງ​ການ​ສ້າງ​ເຂື່ອນ​ໄຟ​ຟ້າ​ຕື່ມ​. ເພາະ​ສະ​ນັ້ນ​, ມັນ​ບໍ່​ແມ່ນ​ເຫມາະ​ສົມ​ສໍາ​ລັບ​ການ​ກໍ່​ສ້າງ​ເຂື່ອນ​ໄຟ​ຟ້າ​ໂລກ​ນີ້​.
ໂຄງ​ປະ​ກອບ​ການ​ຂອງ​ເຂື່ອນ​ໄຟ​ຟ້າ​ຂອງ​ກາ​ວິ​ທັດ​ສີ​ມັງ​, ແມ່ນ​ງ່າຍ​ດາຍ​ກໍ່​ສ້າງ​ຊຶ່ງ​ໃນ​ນັ້ນ​ແມ່ນ​ສະ​ດວກ​ສະ​ບາຍ​. ຢ່າງ​ໃດ​ກໍ​ຕາມ​, ໄດ້​ຍາວ​ແກນ​ເຂື່ອນ​ໄຟ​ຟ້າ​ຂອງ​ເຂື່ອນ​ໄຟ​ຟ້າ saddle ໄດ້​ເປັນ 217.9m​, ຊຶ່ງ​ເປັນ​ບໍ່​ດີ​ສໍາ​ລັບ​ປະ​ລິ​ມານ​ຫຼື​ໂຄງ​ການ​ມູນ​ຄ່າ
ວັດ​ຖຸ​ດິບ​ອາດ​ຈະ​ໄດ້​ຮັບ​ການ​ປະ​ຕິ​ບັດ​ຢູ່​ໃນ​ທ້ອງ​ຖິ່ນ​ສໍາ​ລັບ​ການ​ສ້າງ​ເຂື່ອນ​ໄຟ​ຟ້າ​ອຸ​ປະ​ກອນ​ການ​ພາຍ​ໃນ​ແລະ​ການ​ປັບ​ຕົວ​ຂອງ​ຕົນ​ໃນ​ການ​ຜິດ​ປົກ​ກະ​ຕິ​ພື້ນ​ຖານ​ແມ່ນ​ແຂງ​ແຮງ​. ຮ່າງ​ກາຍ​ສ້າງ​ເຂື່ອນ​ໄຟ​ຟ້າ​ຂອງ​ໂຄງ​ການ​ແມ່ນ​ຂ້ອນ​ຂ້າງ​ຕ​່​ໍ​າ​ປະ​ລິ​ມານ​ການ​ພາກ​ແມ່ນ​ຂະ​ຫນາດ​ໃຫຍ່​ບໍ່​ໄດ້​ແລະ​ການ​ລົງ​ຂາວ​ທີ່​ນ​້​ໍາ​ຖ້ວມ​ສູງ​ສຸດ​ຂອງ​ຫ້ວຍ Por Gully ແມ່ນ​ຂ້ອນ​ຂ້າງ​ມີ​ຂະ​ຫນາດ​ນ້ອຍ​, ຂະ​ນະ​ທີ່​ຂະ​ຫນາດ​ນ​້​ໍ​າ​ປ່ອຍ​, ແມ່ນ​ຂ້ອນ​ຂ້າງ​ມີ​ຂະ​ຫນາດ​ນ້ອຍ​. ຮ່ອມ​ພູ​ແມ່ນ​້​ໍາ​ທີ່​ເຂື່ອນ​ແມ່ນ​ກ​້​ວາງ​ແລະ​ກວ້າງ​ຂວາງ​ເຊິ່ງ​ແມ່ນ​ງ່າຍ​ສໍາ​ລັບ​ການ​ຈັດ​ໂຄງ​ສ້າງ​ເຊັ່ນ​ໂຄງ​ສ້າງ​ນ​້​ໍ​າ​ປ່ອຍ​, ໂຄງ​ສ້າງ desilting ແລະ​ການ​ໄດ້​ຮັບ​ພະ​ລັງ​ງານ​, ແລະ​ອື່ນໆ​ເນື່ອງ​ຈາກ​ພື້ນ​ທີ່​ໂຄງ​ການ​ຍັງ​ຂາດ​ອຸ​ປະ​ກອນ​ການ​ແຜ່ນ​ດິນ​ໂລກ​ມີ​ຄຸນ​ສົມ​ບັດ​ບໍ່​ອະ​ນຸ​ຍາດ​, ມັນ​ເປັນ​ການ​ນໍາ​ໃຊ້​ກໍາ​ແພງ​ຫີນ​ຫຼັກ​ສີ​ມັງ ສໍາ​ລັບ​ການ​ຄວບ​ຄຸມ​ການ​ໄຫລ​ຊຶມ​.
ສະ​ຫຼຸບ​ແລ້ວ​, ການ​ດັດ​ແປງ​ງ່າຍ​ຂອງ​ການ​ສ້າງ​ເຂື່ອນ​ໄຟ​ຟ້າ​ຫຼັກ​ສີ​ມັງ​ກັບ​ຄວາມ​ສາ​ມາດ​ຜິດ​ປົກ​ກະ​ຕິ​ໃນ​ລະ​ດັບ​ຕໍ່າ​ແມ່ນ​ຕ​່​ໍ​, ຄວາມ​ຕ້ອງ​ການ​ສໍາ​ລັບ​ສະ​ພາບ​ການ​ແຮ່​ຂອງ​ເຂື່ອນ​ແມ່ນ​ຕ​່​ໍາ​ແລະ​ຄ່າ​ໃຊ້​ຈ່າຍ​ຂອງ​ໂຄງ​ການ​ແລະ​ການ​ກໍ່​ສ້າງ​ຕົ້ນ​ທຶນ​ແມ່ນ​ຕ​່​ໍ​ຂ້ອນ​ຂ້າງ​. ເພາະ​ສະ​ນັ້ນ​, ມັນ​ແມ່ນ​ແນະ​ນໍາ​ໃຫ້​ໂຄງ​ການ​ກໍ່​ສ້າງ​ເຂື່ອນ​ຄັນ​ໃນ​ທົ່ວ​ໂລກ Rock​, ສີ​ມັງ​,​.
1.6.4 Layout ລັບ​ສັບ​ຊ້ອນ​ຂອງ​ໂຄງ​ການ
ອີງ​ຕາມ​ການ​ສະ​ພາບ​ພູ​ມີ​ປະ​ເທດ​ແລະ​ແຮ່​ຂອງ​ພື້ນ​ທີ່​ສະ​ລັບ​ສັບ​ຊ້ອນ​, ໃນ​ການ​ປະ​ສົມ​ປະ​ສານ​ກັບ​ການ​ກໍ່​ສ້າງ​, ການ​ນໍາ​ໃຊ້​ນ​້​ໍາ​ພະ​ລັງ​ງານ​ແລະ​ປັດ​ໄຈ​ອື່ນໆ​ມັນ​ເປັນ​ການ ການ​ກໍາ​ນົດ​ຮູບ​ລັກ​ສະ​ລັບ​ສັບ​ຊ້ອນ​ຂອງ​ໂຄງ​ການ​ດັ່ງ​ຕໍ່​ໄປ​ນີ້​: ເຂື່ອນ​ໄຟ​ຟ້າ​ຕົ້ນ​ຕໍ​ແມ່ນ​ເພື່ອ​ຮັກ​ສາ​ນ​້​ໍ​າ​ທີ່​ມີ​ເຂື່ອນ​ໄຟ​ຟ້າ​ປະ​ຕູ​ຮົ້ວ​ສີ​ມັງ​, ແລະ​ການ​ຫັນ​ເອົາ​ທາງ​ການ​ໄດ້​ຮັບ​ພະ​ລັງ​ງານ​ແລະ trapezoidal ຊ່ອງ​ເປີດ​ຢູ່​ດ້ານ​ໃນ​ການ​ໄດ້​ຫຼັກ​ສີ​ມັງ​ເຂດ​ພື້ນ​ທີ່​ອ່າງ​ເກັບ​ນໍ້າ​ໃນ​ທົ່ວ​ໂລກ Rock​,​. ການ​ໄດ້​ຮັບ​ສານ​ຂອງ​ຫຼັກ​ເຂື່ອນ​ໄຟ​ຟ້າ​ໃນ​ທົ່ວ​ໂລກ Rock​, ໄດ້​ຖືກ​ເຊື່ອມ​ຕໍ່​ກັບ trapezoidal ຊ່ອງ​ທາງ​ເປີດ​ເຜີຍ​, ຊຶ່ງ​ເປັນ​ການ​ໄດ້​ຮັບ​ການ​ຫັນ​ກັບ forebay ຫນ້າ​ດິນ​, ຫຼັງ​ຈາກ​ທີ່​ມັນ​ຖືກ​ເຊື່ອມ​ຕໍ່​ກັບ penstock ກັບ ID ຂອງ 3.55m ກັບ​ໂຮງ​ງານ​ໄຟ​ຟ້າ​ທີ່​ດິນ​ສໍາ​ລັບ​ການ​ຜະ​ລິດ​ພະ​ລັງ​ງານ​ໄດ້​.
ໃນ​ໂຄງ​ສ້າງ​ສະ​ລັບ​ສັບ​ຊ້ອນ Headwork ຂອງ​ເຂື່ອນ​ໄຟ​ຟ້າ​ຕົ້ນ​ຕໍ​ສ່ວນ​ໃຫຍ່​ແມ່ນ​ປະ​ກອບ​ດ້ວຍ​ພາກ​ສ່ວນ​ຂອງ​ການ​ຮັກ​ສາ​ເຂື່ອນ​ໄຟ​ຟ້າ​, ນ​້​ໍາ​ຖ້ວມ​ສ່ວນ​ປະ​ຕູ​ຮົ້ວ​ຂອງ​ການ​ປ່ອຍ / desilting ແລະ​ການ​ໄດ້​ຮັບ​ພະ​ລັງ​ງານ​. ຄວາມ​ຍາວ​ອັນ​ເຕັມ​ທີ່​ຂອງ​ຍອດ​ປະ​ຕູ​ແມ່ນ 82​, ລະ​ດັບ​ຄວາມ​ສູງ​ສ້າງ​ເຂື່ອນ​ໄຟ​ຟ້າ​ໄດ້​ສູງ​ສຸດ​ແມ່ນ 9.5m​, ແລະ FSL ແມ່ນ​ຢູ່ El​. 322.50m​.




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