膨胀土裂隙演化三维分布特征及微观结构分形规律研究

Brand: 武汉大学出版社    Sold By: EM China
膨胀土裂隙演化三维分布特征及微观结构分形规律研究
膨胀土裂隙演化三维分布特征及微观结构分形规律研究
膨胀土裂隙演化三维分布特征及微观结构分形规律研究
膨胀土裂隙演化三维分布特征及微观结构分形规律研究

膨胀土裂隙演化三维分布特征及微观结构分形规律研究

Brand: 武汉大学出版社    Sold By: EM China
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膨胀土裂隙演化三维分布特征及微观结构分形规律研究

膨胀土裂隙演化三维分布特征及微观结构分形规律研究

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内容简介        《膨胀土裂隙演化三维分布特征及微观结构分形规律研究》以膨胀土边坡开裂变形和失稳为背景,以南阳膨胀土为研究对象,通过数码摄影结合数字图像处理方法研究膨胀土平面裂隙扩展的规律,同时通过CT扫描试验研究膨胀土裂隙的三维扩展规律,采用油渗的方法间接定量分析膨胀土内部裂隙的扩展规律,并采用压汞法(MIP)和扫描电子显微镜分析法(SEM)相结合的方法研究南阳膨胀土脱湿干燥后微结构变化,分析其微观机理,利用分形理论和分形模...
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内容简介
        《膨胀土裂隙演化三维分布特征及微观结构分形规律研究》以膨胀土边坡开裂变形和失稳为背景,以南阳膨胀土为研究对象,通过数码摄影结合数字图像处理方法研究膨胀土平面裂隙扩展的规律,同时通过CT扫描试验研究膨胀土裂隙的三维扩展规律,采用油渗的方法间接定量分析膨胀土内部裂隙的扩展规律,并采用压汞法(MIP)和扫描电子显微镜分析法(SEM)相结合的方法研究南阳膨胀土脱湿干燥后微结构变化,分析其微观机理,利用分形理论和分形模型对压汞试验数据进行分形维数计算,利用分形维数对微观结构的演变规律进行研究和分析,进行膨胀土裂隙发育、渗流的综合性室内试验,深入研究裂隙膨胀土的渗透特性,揭示膨胀土裂隙性的作用机制及工程效应,以期为膨胀土边坡灾害评估及坡面防护理论与设计提供依据或参考,借鉴多孔介质渗流的双重孔隙模型建立考虑裂隙作用的膨胀土渗流模型及其参数确定方法,深入认识裂隙对膨胀土渗流特性的影响,为膨胀土边坡变形、稳定性评价、灾害预测提供理论依据和技术支持。   
目  录
1 绪论
1.1 研究的背景与意义
1.2 膨胀土的裂隙性与结构特征研究
1.3 分形几何在土体微结构研究中的应用
1.4 裂隙膨胀土渗流特性研究
1.5 主要研究内容

2 南阳膨胀土平面裂隙发育规律
2.1 引言
2.2 试验土样与研究方法
2.3 膨胀土平面裂隙图像处理
2.4 试样均匀性对裂隙发育的影响
2.5 裂隙发育的温度敏感性
2.6 裂隙发育的尺寸效应

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  • 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

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Customer Support

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内容简介
        《膨胀土裂隙演化三维分布特征及微观结构分形规律研究》以膨胀土边坡开裂变形和失稳为背景,以南阳膨胀土为研究对象,通过数码摄影结合数字图像处理方法研究膨胀土平面裂隙扩展的规律,同时通过CT扫描试验研究膨胀土裂隙的三维扩展规律,采用油渗的方法间接定量分析膨胀土内部裂隙的扩展规律,并采用压汞法(MIP)和扫描电子显微镜分析法(SEM)相结合的方法研究南阳膨胀土脱湿干燥后微结构变化,分析其微观机理,利用分形理论和分形模型对压汞试验数据进行分形维数计算,利用分形维数对微观结构的演变规律进行研究和分析,进行膨胀土裂隙发育、渗流的综合性室内试验,深入研究裂隙膨胀土的渗透特性,揭示膨胀土裂隙性的作用机制及工程效应,以期为膨胀土边坡灾害评估及坡面防护理论与设计提供依据或参考,借鉴多孔介质渗流的双重孔隙模型建立考虑裂隙作用的膨胀土渗流模型及其参数确定方法,深入认识裂隙对膨胀土渗流特性的影响,为膨胀土边坡变形、稳定性评价、灾害预测提供理论依据和技术支持。   
目  录
1 绪论
1.1 研究的背景与意义
1.2 膨胀土的裂隙性与结构特征研究
1.3 分形几何在土体微结构研究中的应用
1.4 裂隙膨胀土渗流特性研究
1.5 主要研究内容

2 南阳膨胀土平面裂隙发育规律
2.1 引言
2.2 试验土样与研究方法
2.3 膨胀土平面裂隙图像处理
2.4 试样均匀性对裂隙发育的影响
2.5 裂隙发育的温度敏感性
2.6 裂隙发育的尺寸效应

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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