岩体卸荷力学与工程

Brand: 科学出版社    Sold By: EM China
岩体卸荷力学与工程
岩体卸荷力学与工程
岩体卸荷力学与工程
岩体卸荷力学与工程

岩体卸荷力学与工程

Brand: 科学出版社    Sold By: EM China
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岩体卸荷力学与工程

岩体卸荷力学与工程

$110.53

内容简介聚焦于高应力条件下卸荷诱发岩体灾变机理这一关键科学问题,以高地应力环境中高边坡及地下工程开挖扰动区应力重分布特征为依据,有针对性地设计了综合考虑卸荷应力路径、初始应力状态、卸荷速率等关键因素的系列岩石(体)卸荷试验方法和试验装备,系统开展侧向卸荷、法向卸荷条件下剪切、法向拉伸条件下剪切、围压作用下卸荷-拉伸等卸荷岩体力学试验与理论研究,揭示卸荷条件下岩石(体)的力学参数弱化、变形与破裂响应及其力学机理,建立卸荷条件下岩石强度准则与本构...
Product Details

内容简介
聚焦于高应力条件下卸荷诱发岩体灾变机理这一关键科学问题,以高地应力环境中高边坡及地下工程开挖扰动区应力重分布特征为依据,有针对性地设计了综合考虑卸荷应力路径、初始应力状态、卸荷速率等关键因素的系列岩石(体)卸荷试验方法和试验装备,系统开展侧向卸荷、法向卸荷条件下剪切、法向拉伸条件下剪切、围压作用下卸荷-拉伸等卸荷岩体力学试验与理论研究,揭示卸荷条件下岩石(体)的力学参数弱化、变形与破裂响应及其力学机理,建立卸荷条件下岩石强度准则与本构模型和岩体裂隙扩展机制及其力学判据,提出基于断裂力学理论的卸荷条件下岩体时效损伤破裂数值模拟方法,分析高应力地区河谷下切和大规模开挖过程中卸荷诱发岩石高边坡表生改造、变形破裂规律与机制,以及深部煤矿负煤柱卸压开采原理与应用。
目  录
目录序前言第1章概述11.1岩体卸荷力学的研究意义11.2岩体卸荷的基本特征41.3关键科学问题及研究难点101.4本书研究思路与主要内容12第2章岩体卸荷试验方法及装备142.1侧向卸荷试验方法142.2法向卸荷-剪切试验方法162.3拉剪试验装备及方法182.4三轴卸荷-拉伸试验装备及方法24第3章侧向卸荷条件下岩体的力学响应试验研究303.1试验方案303.2卸荷变形响应及参数弱化规律343.3强度弱化及脆性指数变化规律393.4卸荷速率效应443.5裂隙岩体的力学响应规律513.6多尺度破裂体系583.7损伤破裂机制72第4章法向卸荷-剪切条件下岩体的力学响应试验研究784.1试验方案784.2岩石的变形与强度874.3单裂隙岩体的变形与强度1004.4平行双裂隙岩体的变形与强度1064.5非平行双裂隙岩体的变形与强度1164.6硬性接触结构面的变形破坏与强度1274.7单裂隙岩体裂隙扩展演化与模式1374.8岩桥破裂模式140第5章拉剪条件下岩体的力学响应试验研究1575.1试验方案1575.2变形与强度1625.3破裂面形貌1655.4细观破裂演化机制1745.5裂隙扩展及岩桥贯通模式175第6章三轴卸荷-拉伸条件下岩体的力学响应试验研究1826.1试验方案1826.2变形与强度1866.3损伤破裂演化1996.4破裂面粗糙度216第7章卸荷蠕变条件下裂隙岩体的力学响应试验研究2207.1试验方案2207.2卸荷蠕变特征及参数2277.3本构模型与参数反演236第8章岩体卸荷强度准则及本构模型2458.1拉剪强度准则2458.2三轴卸荷-拉伸强度准则及本构模型2598.3侧向卸荷条件下岩石屈服准则及本构模型2778.4卸荷蠕变损伤本构模型282第9章卸荷条件下岩体损伤破裂的能量转化机理2969.1卸荷损伤破裂过程中应变能计算理论2969.2三轴卸荷条件下岩石损伤破裂的能量转化机理3039.3法向卸荷条件下岩石剪切破坏的能量转化机理3149.4三轴卸荷-拉伸条件下岩石拉裂的能量转化机理321第10章卸荷诱发岩体裂隙扩展机理及判据32510.1卸荷条件下岩体裂隙扩展的差异变形机制模型32510.2拉剪应力状态下裂隙起裂和扩展的断裂力学判据32710.3卸荷剪切条件下岩桥破裂模式判别标准333第11章基于亚临界断裂力学理论的岩体加卸载损伤破裂数值模拟33511.1岩体裂隙时效扩展模型33511.2基于FLAC的模拟实现33811.3试验验证34011.4该数值模拟方法的特点348第12章卸荷条件下岩石高边坡动力响应与表生改造机制35012.1中国西南地区岩石高边坡的主要特征35012.2岩石高边坡变形演化动力过程35412.3大规模开挖卸荷诱发岩石高边坡卸荷破裂特征及变形规律36312.4岩石高边坡卸荷带的形成机制与发育规律382第13章煤矿负煤柱卸压开采及工程39613.1卸压开采的特点39613.2负煤柱卸压开采力学原理39713.3负煤柱卸压开采相似模拟41113.4负煤柱卸压开采数值模拟42113.5负煤柱卸压开采矿压实测43013.6负煤柱卸压开采经济效益分析437参考文献441彩图

Shipping Overview: 

Shipping: Standard Domestic Shipping within the United States charges USD 4.99. Standard International Shipping from United Kingdom, Germany and Japan to the United States charges 14.99. 

Order Processing: Please allow 1-2 business days for order processing and preparation before shipment. 

Domestic Shipping: Orders within the U.S. are shipped via USPS or FedEx, depending on the origin of the product. The average transit time is 3-7 business days. 

International Shipping: Currently, we only ship within the USA. 

Tracking Information: Every order is trackable. You will receive a tracking number once your order has been shipped. Products may be shipped from various global fulfillment centers.

Shipping Delays: 

Please note that shipping times may vary due to factors beyond our control, such as weather conditions, natural disasters, or peak holiday periods. While we strive to ensure timely delivery, the exact arrival time cannot be guaranteed and is managed by the shipping carrier.

Shipping Options:

  • Standard Delivery: Most orders are shipped within 3-7 business days. Larger items may utilize LTL shipping for safe handling.

  • Handling Time: We handle shipments on business days (Monday - Friday), with a preparation time of 1-2 days.

  • Additional Charges: Some items require additional shipping charges due to their size, weight, or special handling. These charges are specified on the product pages and are not eligible for shipping discounts.

  • Exclusions: Gift cards, packaging, taxes, and prior purchases do not count toward the minimum purchase requirement for free shipping. This offer is valid only for shipments to U.S. addresses, including Puerto Rico.

Delivery Details:

  • Estimates: Standard shipping within the US typically takes 3-7 business days. These are estimates and not guarantees.

  • Shipping Restrictions: We ship to all 50 states, Washington, DC, U.S. territories, and APO/FPO/DPO addresses. Shipping options vary based on the delivery address.

  • Remote Areas: Shipments to remote areas may incur additional charges or require pickup from a nearby shipping partner’s location.

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You will receive a shipping confirmation email with a tracking number as soon as your order is dispatched. If you do not receive this email immediately, please be assured that your items will arrive within the estimated delivery window provided at checkout.

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If you need to cancel or modify your order, please contact our customer support immediately.

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If your order shows as delivered but you have not received it, please contact the shipping carrier directly to resolve the issue. For persistent problems, contact our customer service at cs@everymarket.com.

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Return & Refund Policy Overview

Please review our return and refund policies below to ensure a smooth transaction process.

Return Policy

  • Duration: You have 30 days from receiving your item to initiate a return.

  • Condition: Items must be unworn, unwashed, with original tags and packaging intact.

  • Shipping Costs: Customers are responsible for return shipping costs.

  • Packaging: Ensure returned items are well-packaged to avoid damage during transit.

  • Tracking: Use a trackable and insured shipping method as we are not liable for items lost or damaged on return.

  • Initiating a Return: Contact us at cs@everymarket.com to start your return. We will provide a return shipping label and instructions upon approval. Returns without prior approval will not be accepted.

How to Return

  • Method: Returns must be sent back by mail to the address provided in the return instructions.

Return Label

  • Defective Products: Return labels are provided for defective items.

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Product Conditions for Return

  • Eligible Products: Returns are only accepted for items in new condition.

Nonreturnable Items

Certain items are not eligible for return:

  • Electronic devices after 30 days (e.g., computers, laptops, Kindles)

  • Gift cards, prepaid game cards

  • Perishable goods, live insects, some jewelry, some health and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions

Refund Policy

  • Window: Eligible products may be returned within 30 days of delivery for a refund.

  • Refund Method: Refunds are processed to the original payment method or as store credit for items purchased with gift cards.

  • Processing Time: Refunds are processed within 3-5 business days after we receive the return; please allow additional time for shipping and bank processing.

Claims

Inspect your order upon arrival and report any defects, damages, or incorrect items immediately to allow us to address the issue. For claims, contact our support team with details of the issue.

Exchange Policy

For the quickest service, return your original item and place a new order for the desired product once your return is accepted.

Return Address

EveryMarket Customer Service 2101 E Terra Ln, O'Fallon, MO 63366

Customer Support

Available 24/7 for any questions or assistance needed:

  • Phone: +1 636-312-5925

  • Email: cs@everymarket.com

 

内容简介
聚焦于高应力条件下卸荷诱发岩体灾变机理这一关键科学问题,以高地应力环境中高边坡及地下工程开挖扰动区应力重分布特征为依据,有针对性地设计了综合考虑卸荷应力路径、初始应力状态、卸荷速率等关键因素的系列岩石(体)卸荷试验方法和试验装备,系统开展侧向卸荷、法向卸荷条件下剪切、法向拉伸条件下剪切、围压作用下卸荷-拉伸等卸荷岩体力学试验与理论研究,揭示卸荷条件下岩石(体)的力学参数弱化、变形与破裂响应及其力学机理,建立卸荷条件下岩石强度准则与本构模型和岩体裂隙扩展机制及其力学判据,提出基于断裂力学理论的卸荷条件下岩体时效损伤破裂数值模拟方法,分析高应力地区河谷下切和大规模开挖过程中卸荷诱发岩石高边坡表生改造、变形破裂规律与机制,以及深部煤矿负煤柱卸压开采原理与应用。
目  录
目录序前言第1章概述11.1岩体卸荷力学的研究意义11.2岩体卸荷的基本特征41.3关键科学问题及研究难点101.4本书研究思路与主要内容12第2章岩体卸荷试验方法及装备142.1侧向卸荷试验方法142.2法向卸荷-剪切试验方法162.3拉剪试验装备及方法182.4三轴卸荷-拉伸试验装备及方法24第3章侧向卸荷条件下岩体的力学响应试验研究303.1试验方案303.2卸荷变形响应及参数弱化规律343.3强度弱化及脆性指数变化规律393.4卸荷速率效应443.5裂隙岩体的力学响应规律513.6多尺度破裂体系583.7损伤破裂机制72第4章法向卸荷-剪切条件下岩体的力学响应试验研究784.1试验方案784.2岩石的变形与强度874.3单裂隙岩体的变形与强度1004.4平行双裂隙岩体的变形与强度1064.5非平行双裂隙岩体的变形与强度1164.6硬性接触结构面的变形破坏与强度1274.7单裂隙岩体裂隙扩展演化与模式1374.8岩桥破裂模式140第5章拉剪条件下岩体的力学响应试验研究1575.1试验方案1575.2变形与强度1625.3破裂面形貌1655.4细观破裂演化机制1745.5裂隙扩展及岩桥贯通模式175第6章三轴卸荷-拉伸条件下岩体的力学响应试验研究1826.1试验方案1826.2变形与强度1866.3损伤破裂演化1996.4破裂面粗糙度216第7章卸荷蠕变条件下裂隙岩体的力学响应试验研究2207.1试验方案2207.2卸荷蠕变特征及参数2277.3本构模型与参数反演236第8章岩体卸荷强度准则及本构模型2458.1拉剪强度准则2458.2三轴卸荷-拉伸强度准则及本构模型2598.3侧向卸荷条件下岩石屈服准则及本构模型2778.4卸荷蠕变损伤本构模型282第9章卸荷条件下岩体损伤破裂的能量转化机理2969.1卸荷损伤破裂过程中应变能计算理论2969.2三轴卸荷条件下岩石损伤破裂的能量转化机理3039.3法向卸荷条件下岩石剪切破坏的能量转化机理3149.4三轴卸荷-拉伸条件下岩石拉裂的能量转化机理321第10章卸荷诱发岩体裂隙扩展机理及判据32510.1卸荷条件下岩体裂隙扩展的差异变形机制模型32510.2拉剪应力状态下裂隙起裂和扩展的断裂力学判据32710.3卸荷剪切条件下岩桥破裂模式判别标准333第11章基于亚临界断裂力学理论的岩体加卸载损伤破裂数值模拟33511.1岩体裂隙时效扩展模型33511.2基于FLAC的模拟实现33811.3试验验证34011.4该数值模拟方法的特点348第12章卸荷条件下岩石高边坡动力响应与表生改造机制35012.1中国西南地区岩石高边坡的主要特征35012.2岩石高边坡变形演化动力过程35412.3大规模开挖卸荷诱发岩石高边坡卸荷破裂特征及变形规律36312.4岩石高边坡卸荷带的形成机制与发育规律382第13章煤矿负煤柱卸压开采及工程39613.1卸压开采的特点39613.2负煤柱卸压开采力学原理39713.3负煤柱卸压开采相似模拟41113.4负煤柱卸压开采数值模拟42113.5负煤柱卸压开采矿压实测43013.6负煤柱卸压开采经济效益分析437参考文献441彩图

Shipping Overview: 

Shipping: Standard Domestic Shipping within the United States charges USD 4.99. Standard International Shipping from United Kingdom, Germany and Japan to the United States charges 14.99. 

Order Processing: Please allow 1-2 business days for order processing and preparation before shipment. 

Domestic Shipping: Orders within the U.S. are shipped via USPS or FedEx, depending on the origin of the product. The average transit time is 3-7 business days. 

International Shipping: Currently, we only ship within the USA. 

Tracking Information: Every order is trackable. You will receive a tracking number once your order has been shipped. Products may be shipped from various global fulfillment centers.

Shipping Delays: 

Please note that shipping times may vary due to factors beyond our control, such as weather conditions, natural disasters, or peak holiday periods. While we strive to ensure timely delivery, the exact arrival time cannot be guaranteed and is managed by the shipping carrier.

Shipping Options:

  • Standard Delivery: Most orders are shipped within 3-7 business days. Larger items may utilize LTL shipping for safe handling.

  • Handling Time: We handle shipments on business days (Monday - Friday), with a preparation time of 1-2 days.

  • Additional Charges: Some items require additional shipping charges due to their size, weight, or special handling. These charges are specified on the product pages and are not eligible for shipping discounts.

  • Exclusions: Gift cards, packaging, taxes, and prior purchases do not count toward the minimum purchase requirement for free shipping. This offer is valid only for shipments to U.S. addresses, including Puerto Rico.

Delivery Details:

  • Estimates: Standard shipping within the US typically takes 3-7 business days. These are estimates and not guarantees.

  • Shipping Restrictions: We ship to all 50 states, Washington, DC, U.S. territories, and APO/FPO/DPO addresses. Shipping options vary based on the delivery address.

  • Remote Areas: Shipments to remote areas may incur additional charges or require pickup from a nearby shipping partner’s location.

Shipping Confirmation:

You will receive a shipping confirmation email with a tracking number as soon as your order is dispatched. If you do not receive this email immediately, please be assured that your items will arrive within the estimated delivery window provided at checkout.

Order Modifications:

If you need to cancel or modify your order, please contact our customer support immediately.

Issues with Delivery:

If your order shows as delivered but you have not received it, please contact the shipping carrier directly to resolve the issue. For persistent problems, contact our customer service at cs@everymarket.com.

Customer Support:

Our team is available 24/7 to assist you with any questions or concerns regarding your order. We are committed to ensuring a smooth shopping experience.

Return & Refund Policy Overview

Please review our return and refund policies below to ensure a smooth transaction process.

Return Policy

  • Duration: You have 30 days from receiving your item to initiate a return.

  • Condition: Items must be unworn, unwashed, with original tags and packaging intact.

  • Shipping Costs: Customers are responsible for return shipping costs.

  • Packaging: Ensure returned items are well-packaged to avoid damage during transit.

  • Tracking: Use a trackable and insured shipping method as we are not liable for items lost or damaged on return.

  • Initiating a Return: Contact us at cs@everymarket.com to start your return. We will provide a return shipping label and instructions upon approval. Returns without prior approval will not be accepted.

How to Return

  • Method: Returns must be sent back by mail to the address provided in the return instructions.

Return Label

  • Defective Products: Return labels are provided for defective items.

  • Non-Defective Returns: Customers are responsible for obtaining their return shipping label.

Product Conditions for Return

  • Eligible Products: Returns are only accepted for items in new condition.

Nonreturnable Items

Certain items are not eligible for return:

  • Electronic devices after 30 days (e.g., computers, laptops, Kindles)

  • Gift cards, prepaid game cards

  • Perishable goods, live insects, some jewelry, some health and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions

Refund Policy

  • Window: Eligible products may be returned within 30 days of delivery for a refund.

  • Refund Method: Refunds are processed to the original payment method or as store credit for items purchased with gift cards.

  • Processing Time: Refunds are processed within 3-5 business days after we receive the return; please allow additional time for shipping and bank processing.

Claims

Inspect your order upon arrival and report any defects, damages, or incorrect items immediately to allow us to address the issue. For claims, contact our support team with details of the issue.

Exchange Policy

For the quickest service, return your original item and place a new order for the desired product once your return is accepted.

Return Address

EveryMarket Customer Service 2101 E Terra Ln, O'Fallon, MO 63366

Customer Support

Available 24/7 for any questions or assistance needed:

  • Phone: +1 636-312-5925

  • Email: cs@everymarket.com

 

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