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ǰλãҳ > 钢板桩计算精编版 - 百度文库

钢板桩计算精编版 - 百度文库

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  • 2025/5/25 14:18:54

Ƽ

ɭְ׮

Ϊʩֲᡷְ׮ݻȡڽѡöê֧ţ׮ʽԿӱ֧Աӿڡֳʵ1.294.5ףְ5.0׼㣬2.5, ְ׮ʩȰ9m㣬֧ţŸÿ3mһ֪ʩϵ㡢 ճɰ㡣ȨƽֵΪڡȻؼȫƽֵ?1?2Ϊ20KN/m3ĦǼȫƽֵ20㣻ճȫƽֵc=10

֧ʽ׮㣬ְ׮ѡɭ͸ְ׮ÿӳ׽W=1600cm3/m[f]=200Mpa֧ͼںҳ һ

1ڰ׮ϵѹǿȼѹֲͼ

48.8KN/m220KN/m3

ѹֲͼ 1

Ƽ

Ka?tan2(45??/2)?tan2(45?20.0/2)?0.49Kpi?tan(45??/2)?tan(45?20.0/2)?2.0422

׮ػ߶h0, h0=q/r=20.0/20=1.0m (2㷴λá

ٶְ׮ѹΪĵΪ㣬λڿyУ

?1kpiy?2Ckpi??2Ka(H?y)?2CKa

ã

2Ckpi?2CKa?2kaHy?? ?1Kpi??2ka?1Kpi??2kaʽУ ?1?2ؼȨƽֵ

Hӿȣ Kaѹϵ

KpiŴıѹϵ

y??2KaH20?0.49?(1.0?5.0)2?10?1.428?2?10?0.7???1Kpi??2Ka20.0?2.04?20.0?0.4920.0?2.04?20.0?0.49

?0.53m(3ֵ֧غ֧㷴ͼͼʾ

Mmax9.8KN/m244.8KN/m2

ְ׮ͼ2

Ƽ

?MQ?0ã

Ra?(2?0.53)?0.5?(44.8?9.8)?5.0?(5/3?0.53)?9.8?5?(5/2?0.53)?0.5?44.8?0.53?2/3?0.53

ã R=136.31KN/m

Q=(9.8+44.8)5/2+44.80.53/2-136.31 =12.06kN/m

4ְ׮Сȡ ݹʽã

??6Qb

??K1pl??2Ka??6?12.0620??2.04?0.49??1.53m

ɹʽãС t=1.20.53+1.53=2.5m

H׮ܳ=2.5+5.0=7.5m <9m(ɭְ׮)Ҫ 4׮ȶ

׮ȳ֤ȶ⣬Ӧ֤ӵײʩڼ䲻¡͹ӿ Aӵ׺¡

ǽӵµĵػʱػϵƽ״̬ܵƻǽͻᷢǽӵ¡𣬿ӶݵΪֹӦ㵲ǽֿܷӵ¡Ҫ

3

Ƽ

Ks=(tNq+cNc)/[ (h+t)+q]

ʽ tǽȣm ȡt=4.0m hӿȣm ȡh=5.0m áӵ׼ǽܶȣKN/m3 ȡ=20KN/m3

CճKN/m2 ȡC=10 KN/m2 Q泬أKN/m2 ȡQ =20KN/m2

NqNcػϵɰʽ Nq= tan2 (45+/2)etan Nc=(Nq-1)/ tan һҪ¡ȫϵKs1.1-1.2 ???2???

?N?1??6.399?1?Nc???14.83414.834tg?tg20Nq?e

?tg?tg2?45????e?tg20tg2?45?20??6.399?2?

Ks??tNq?cNC??h?t??q?20?4?6.399?10?14.834 20?5?4??20?3.3?1.2 ʿӵײ¡ Bӵ׵Ĺӿ

ӿҪˮͷģ׮͸ˮԺھСıУɰ....,ʩÿˮʱ,пܷӿɰΪ˰ȫʩӦֹķʽΪ

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Ƽ ɭְ׮ Ϊʩֲᡷְ׮ݻȡڽѡöê֧ţ׮ʽԿӱ֧Աӿڡֳʵ1.294.5ףְ5.0׼㣬2.5, ְ׮ʩȰ9m㣬֧ţŸÿ3mһ֪ʩϵ㡢 ճɰ㡣ȨƽֵΪڡȻؼȫƽֵ?1?2Ϊ20KN/m3ĦǼȫƽֵ20㣻ճȫƽֵc=10 ֧ʽ׮㣬ְ׮ѡɭ͸ְ׮ÿӳ׽W=1600cm3/m[f]=200Mpa֧ͼںҳ һ

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