sɛsɔ rekhwanFa asurɛ ngu<

application tebea horow .

1. wɔ nkitahodi a ɛda keteke kwan so nna ne keteke kwan ntam no, buffering vibrations a efi keteke dwumadi mu .

2. wɔ nkurow akɛse mu keteke kwan so akwan so no, ɛtew track dede ne structure fatigue so .

3. wɔ akwan a ɛyɛ den a wɔfa so yɛ keteke kwan a ɛkɔ ntɛmntɛm mu no, ɛma ahotɔ a wɔde tra so no yɛ kɛse .

4. bere a wɔresiesie track no na wɔasesa no, hwɛ hu sɛ nneɛma a wɔde kyekyere nneɛma ho no yɛ den na ɛyɛ den .

aguade ho nkyerɛkyerɛmu .

saa fastener yi fa nonlinear vibration damping structure a ɛyɛ single-layer backing plate + rubber pads a ɛwɔ afã abien, a ɛma wosow damping effect a ɛyɛ mmerɛw a ɛyɛ 6-8db, bere a ɛpia structure no nyinaa sorokɔ kɔ anyɛ yiye koraa no 37mm. ebetumi de nneɛma a wɔde kyekyere nhama a ɛwɔ hɔ dedaw no asi ananmu tẽẽ a ɛnsakra track fapem no, na ɛtew ɛka ne bere a wɔde si kar no so kɛse.

aguade no dwumadi .

vibration suppression a etu mpɔn:

double-layer nonlinear rubber layers (thermoplastic rubber + natural rɔba composite) nya ahoɔden a ɛyɛ adwuma bom, na ɛtew wosow a ɛdeda hɔ no so 6-8db.

engineering a ɛyɛ teateaa a ɛyɛ teateaa no mu nsakrae:

ɛne structure height a etwa to a ɛyɛ 37mm, ɛne fastener nhyehyɛe ahorow a ɛwɔ nkyerɛwde a ɛwɔ hɔ dedaw no hyia.

nneɛma a wɔde si ananmu a ɛnyɛ nea ɛsɛe ade ne nea wɔyɛ no foforo:

bolt positioning holes ne fasteners a ɛwɔ hɔ dedaw no hyia koraa, na ɛma vibration damping nkɔso a ɛwɔ zero foundation nsakrae.

ahobammɔ ho bɔhyɛ abiɛsa:

pre-compression mfiridwuma ma rɔba layers hwɛ ma wotumi di so bere tenten creep; dade akyi mprɛte ma mmoa a ɛyɛ den; anti-eccentric adesoa tumi kɔ soro 30%.

adwumayɛ ho nkyerɛkyerɛmu .

vibration damping level: medium vibration damping (instertion loss 6-8db) .

structural sorokɔ: 37mm ~ 42mm (ɛne sɛnea wɔtaa yɛ fastener ahunmu no hyia) .

core nhyehyɛe: biako-layer dade mprɛte akyi + abien-layer thermoplastic / abɔde mu rɔba composite damping layer .

ɔsom asetra: mfe 25 (trackside environment, -40°c~80°c adwumayɛ tebea) .

nneɛma a ɛyɛ nnam: dynamic-static stiffness ratio ≤1.4, deformation ( -5% wɔ ɔbrɛ kyinhyia ɔpepem 3 akyi

nneɛma a atwa yɛn ho ahyia ho adansedi krataa: ɛne en 14080 ogya ho ahobammɔ gyinapɛn ahorow hyia, a wɔatwam wɔ rohs/reach .

beae a wɔde akwammisa krataa kɔ .

metro renovation projects: vibration damping upgrading a ɛwɔ tunnel lines a ɛwɔ hɔ dedaw no mu (a ɛyɛ mfitiase fasteners a wɔde besi ananmu) .

nkurow akɛse mu keteke kwan nhyehyɛe ahorow: adesoa a wɔtew so ne dede a wɔhwɛ so ma ɔfã bridge ahorow a ɛkorɔn .

keteke a emu yɛ duru: wosow ahoɔden a wɔpete wɔ akwan a wɔfa so fa nneɛma mu .

station menewa mmeae: nneɛma a ɛma wowosow no ho banbɔ wɔ mmeae a wɔdannan nneɛma wɔ mmeae a wɔdannan wɔn ho .

track vibration damping transition sections: buffer zones a ɛka ballast mpa a ɛyɛ mpapahwekwa ne vibration damping ballast mpa ho .